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Department Cleveland Clinic Lou Ruvo Center for Brain Health
Primary Location Lou Ruvo Center for Brain Health - Las Vegas
Type of Doctor Adults Only
Languages English
Surgeon No
Locations Specialties & Treatments

Treatment & Services

  • Alzheimer's
  • Consultation, Evaluation, And Treatment Adult Neurological Disorders
View all 2 Treatment & Services +

Specialty in Diseases & Conditions

  • Alzheimer's
  • Alzheimer's and Dementia
  • Cognitive Disorders
  • Dementia with Lewy Bodies
  • Encephalopathy
  • Frontotemporal Dementia (FTD)
  • Memory Loss
View all 7 Specialties +


Is Cleveland Clinic Nevada Part of Your Insurance?

For questions about accepted insurance plans for our Nevada locations and specific plan products including Medicare, please contact your insurance carrier directly.

View All Plans

About Aaron Ritter, MD

Aaron Ritter, MD, Associate Staff, Neuropsychiatry and Behavioral Neurology

Dr. Ritter initially joined the Cleveland Clinic Lou Ruvo Center for Brain Health in July 2014 as a clinical fellow in Behavioral Neurology and Neuropsychiatry. Dr. Ritter comes to Las Vegas from Tucson following completion of his internship (in pediatrics) and three year residency (in psychiatry) at the University of Arizona.

At the University of Arizona, Dr. Ritter was involved in research projects looking at the neurocircuitry of emotional disorders, the effect of hypothyroidism on mood states, and psychiatric presentations of neurodegenerative disorders. He received two research awards from the University of Arizona for his work on these projects. In addition, Dr. Ritter developed a strong interest in medical education. Following completion of his internship, he received a distinguished teaching award that recognized him as one of the top three “resident educators” out of a pool of more than 600 residents and fellows.

During his two year clinical fellowship at the Lou Ruvo Center for Brain Health, Dr. Ritter received further training in diagnosing and treating neurodegenerative disorders such as Alzheimer’s disease, frontotemporal dementia, dementia with Lewy bodies, and chronic traumatic encephalopathy.

Education & Professional Highlights

Education & Professional Highlights


Education & Fellowships

Fellowship - Cleveland Clinic Lou Ruvo Center for Brain Health
Behavioral Neurology and Neuropsychiatry
Las Vegas, NV USA

Fellowship - Behavioral Neurology Neuropsychiatry


Residency - University of Arizona Medical Center
Tucson, AZ USA

Residency - University of Arizona Medical Center
Tucson, AZ USA

Medical Education - University of Colorado School of Medicine
Denver, CO USA

Undergraduate - University of Wisconsin
Madison, WI USA

Additional Training

  • Fellowship in Behavioral Neurology and Neuropsychiatry

    Cleveland Clinic Lou Ruvo Center for Brain Health, Las Vegas NV


    Residency in Psychiatry

    University of Arizona, Tucson, AZ



    University of Arizona, Tucson, AZ


    Medical Degree

    University of Colorado School of Medicine, Denver, Colorado


    Bachelor of Arts

    University of Wisconsin, Madison, Wisconsin



    2014-Present                         National Board ofMedical Examiners

    2017-Present                         American Board ofPsychiatry and Neurology (Psychiatry)

    2018-Present                         United Council ofNeurological Subspecialties (Behavioral Neurology and Neuropsychiatry)

Professional Highlights


    1. Ritter A, Pillai JA, Treatment ofVascular Cognitive Impairment. Curr Treat Options Neurol. 2015Aug;17(8):367.
    2. Ritter A, Cummings JL, FluidBiomarkers in Clinical Trials of Alzheimer's Disease Therapeutics. FrontNeurol. 2015 Aug 31;6:186.

    3. Ritter A, Banks SA, Hawley, N, Miller, J. The Association between Montreal Cognitive Assessment Memory Scores andHippocampal Volume in a Neurodegenerative Disease Sample. Journal ofAlzheimer’s Disease. 2017 June.

    4. Ritter A, Banks, SA, Leger, G, Miller, J, Neuropsychological testing in pathologically verified Alzheimer’sdisease and frontotemporal dementia: How well do the Uniform Data Set measuresdifferentiate between diseases? Alzheimer’s Disease and AssociatedDisorders. 2017 July. 

    5. Cummings JC,Lee G, Mortsdorf T, Ritter A, ZhongK, Alzheimer’s disease drug developmentpipeline: 2017. Alzheimer’s and Dementia: Translational Research andClinical Interventions. 2017 Sept.

    6. Cummings JRitter AZhong K.Clinical Trials for Disease-Modifying Therapies inAlzheimer's Disease: A Primer, Lessons Learned, and a Blueprint for the Future. JAlzheimer’s Dis. 2018
    7. Cummings JC, Lee G, Mortsdorf T, Ritter A, Zhong K, Alzheimer’s disease drug development pipeline: 2018. Alzheimer’sand Dementia: Translational Research and Clinical Interventions. 2018
    8. Ritter A, Miller JB, Cummings JC ,Nance C ,Neuroscience learning from longitudinalcohort studies of Alzheimer's disease: Lessons for disease-modifying drugprograms and an introduction to the Center for Neurodegeneration andTranslational Neuroscience. Alzheimer’sDementia; Translational Research and Clinical Interventions.2018 Jul
    9. Shan G, Banks S, Miller JB, Ritter A, Bernick C,Lombardo J, Cummings JC, Statisticaladvances in clinical trials and clinical research. Alzheimer’sDement (N Y). 2018
    10. Nance C,Ritter A,Miller JB,Lapin B,Banks SJ, The Pathology of RapidCognitive Decline in Clinically Diagnosed Alzheimer's Disease JAlzheimer’s Dis. 2019 Jul 8
    11. Cummings J,Lee G,Ritter A,Sabbagh M,Zhong K.Alzheimer's disease drug developmentpipeline: 2019. Alzheimer’sDement (N Y). 2019 Jul 9
    12. ummings, J., Ritter, A, Rothenberg, K., Advancesin Management of Neuropsychiatric Syndromes in Neurodegenerative Diseases CurrentPsychiatry Reports. 2019 Aug.
    13. MishraVR, Sreenivasan KR, Yang Z, Zhuang X, Cordes D, Mari Z, Litvan I, Fernandez HH,Eidelberg D, Ritter A, Cummings JL,Walsh RR. Unique white matter structuralconnectivity in early-stage, drug-naive Parkinson disease. Neurology.2019 Dec.
    14. DecourtB, Wilson J, Ritter A, et al.MCLENA-1: A Phase II Clinical Trial for the Assessment of Safety, Tolerability,and Efficacy of Lenalidomide in Patients with Mild Cognitive Impairment Due toAlzheimer's Disease. Open Access J Clin Trials. 2020;12:1-13. doi:10.2147/oajct.s221914


    1. Ritter A., and Cummings J (2016), FluidBiomarkers in Clinical Trials of Alzheimer’s Disease Therapeutics.Biomarkers of Alzheimer’s Disease: The Present and the Future. FrontiersResearch Topics.
    2. Ritter A., and Pillai J, (2017). VascularCognitive Impairment. Neurogeriatrics. Springer Publishing.


    1. Ritter A, Taylor E. Neurocircuitryto Explain Neuropsychiatric Symptoms.  Poster Presentation at AmericanNeuropsychiatric Association Annual Conference, Boston, MA 2014.
    2. Ritter A, Frontal Lobe Syndrome in aPatient Thirty Years Following Anterior Cingulotomy. Poster Presentation atUniversity of Arizona Research Symposium, Tucson, Arizona 2014.

    3. Ritter A, Revisiting MyxedemaMadness: A Case Report, Review of the Literature, and Proposed Pathophysiology.The Journal of Neuropsychiatry and Clinical Neurosciences.APPI-JN-14-09-0222.R1. Poster Presentation at American NeuropsychiatricAssociation Annual Conference, Orlando FL, 2015.

    4. Ritter, A, Hawley, N, Banks, S, and Miller, J. The association between Montreal Cognitive Assessment memory scores andhippocampal volume in a neurodegenerative disease sample. PosterPresentation at International Neuropsychological Society, New Orleans, LA,2017.

    5. Ritter A, Lee G, Zhong, K and Cummings, J, Alzheimer’s drug diseasedevelopment pipeline: 2017. Poster Presentation at Clinical Trials: Alzheimer’sDisease, Boston, MA 2017.

    6. Nance, C, Ritter, A, Miller, J, Banks, S, Predictorsof Rapid Cognitive Decline in the NACC Database. Neurology. 2018 P1.186.90 15Supplement.

    7. Ritter, A., Calvin, C., Ibarra, M. Cummings, J. A. The Clinical Core of theCenter for Neurodegeneration and Translational Research: A Novel Approach tothe Study of Alzheimer's and Parkinson's Disease. Abstract represented at:National Idea Symposium of Biomedical Research Excellence (NISBRE), Washington,D.C. June 2018.

    8. Ritter, A., Hartley-Mack, K., Ibarra, M., Cummings, J., A Novel Approach toRecruitment for Alzheimer’s Disease Research: The Experience of the Center forNeurodegeneration and Translational Neuroscience (CNCN). Abstract representedat: National Idea Symposium of Biomedical Research Excellence (NISBRE),Washington, D.C. June 2018.

    9. J. Bayram,E. Sreenivasan, K, Ritter, A.Caldwell, J. Cognitive Correlates of Amyloid Deposition. Presentation atInternational Neuropsychological International Meeting. New York, NY. February2019.

    10. Longhurst, J., Ritter, A., Rider, J., and Landers,Merrill. Physical therapy is Associatedwith Improvements in Gait and Balance in Individuals with Lewy Body Dementia: ARetrospective Analysis. Presentation at the International Lewy BodyConference. Las Vegas, NV. June 25, 2019.

    11. Mishra V.,Sreenivasan K.R., Bayram E., Banks S., Longhurst J., Yang Z., Zhuang X., CordesD., Ritter A., Caldwell J., Bluett B.(2019). Disrupted Structural Organization in Parkinson’s Disease Patients Withand Without Memory Impairment. 25th Annual Meeting of the Organization forHuman Brain Mapping. 

    12. SreenivasanK.R., Bayram E., Banks S., Longhurst J., Zhuang X., Yang Z., Cordes D., Ritter A., Caldwell J., Bluett B.,Mishra V. (2019). Claustrum Functional Connectivity in Parkinson’s DiseasePatients with Mild Cognitive Impairment. 25th Annual Meeting of theOrganization for Human Brain Mapping.

    13. SreenivasanK.R., Bayram E., Banks S., Longhurst J., Yang Z., Zhuang X., Cordes D., Ritter A., Caldwell J., Bluett B.,Mishra V. (2019). Functional Network Topology in Parkinson’s Disease Patientswith Mild Cognitive Impairment. 25th Annual Meeting of the Organization forHuman Brain Mapping.

    14. Bayram E.,Sreenivasan K.R., Longhurst J., Banks S., Yang Z., Zhuang X., Cordes D., Ritter A., Caldwell J., Bluett B.,Mishra V. (2019). Associations Between Dual Task Cost and Striatal FunctionalConnectivity in Parkinson’s Disease with Mild Cognitive Impairment.International Society for Magnetic Resonance in Medicine 27th Annual Meeting& Exhibition.

    15. Mishra V.,Sreenivasan K.R., Bayram E., Banks S., Longhurst J., Yang Z., Zhuang X., CordesD., Ritter A., Caldwell J., BluettB. (2019). Towards identification of neuroanatomical correlates ofneuropsychological scores in Parkinson’s disease patients, with and without,memory impairment. International Society for Magnetic Resonance in Medicine27th Annual Meeting & Exhibition.

    16. SreenivasanK.R., Bayram E., Banks S., Longhurst J., Yang Z., Zhuang X., Cordes D., Ritter A., Caldwell J., Bluett B.,Mishra V. (2019). Aberrant Functional Connectivity and Network Topology inParkinson’s Disease Patients with Mild Cognitive Impairment. InternationalSociety for Magnetic Resonance in Medicine 27th Annual Meeting &Exhibition.

    17. SreenivasanK.R., Bayram E., Banks S., Longhurst J., Zhuang X., Yang Z., Cordes D., Ritter A., Caldwell J., Bluett B.,Mishra V. (2019). Altered Claustral Functional Connectivity in Parkinson’sdisease Patients with Mild Cognitive Impairment. International Society forMagnetic Resonance in Medicine 27th Annual Meeting & Exhibition.

    18. Ritter A and Mishra V. Investigating the Sensitivity ofFree-Water Imaging in Detecting White-Matter Abnormalities within Patients withAlzheimer’s Disease. Alzheimer's & Dementia: The Journal of the Alzheimer'sAssociation, Volume 15, Issue 7, P762 - P763. July 2019

    19. Ritter Aand Calvin, K. Sensitivity of the Montreal Cognitive Assessment to AmyloidPathology in a Mixed Clinical Sample, Poster. Alzheimer's & Dementia: TheJournal of the Alzheimer's Association, Volume 15, Issue 7, P360. July 2019

    20. Hawley, N.,Bennett, L., Ritter, A., An Unbiased Biomarker Approach toNeuropsychological, Behavioral, and Psychiatric Symptoms in a Mixed ClinicalSample, Volume 34, Issue 6, August 2019, Page 1029.

    21. Hawley, N.,Bennett, L., Ritter, A., The Sensitivity and Specificity of theMontreal Cognitive Assessment is Age Dependent for Amyloid Positivity in aMixed Clinical Sample. Archives of Clinical Neuropsychology, Volume 34,Issue 6, August 2019, Page 1030.

    22. Longhurst, J.,Caldwell, J.Z.K., Ritter, A.,Mishra, V., Bluett, B., & Landers, M. The cognitive profiles of individualswith freezing of gait differs among freezing of gait subtypes in Parkinson'sdisease. Poster submitted for the 2019 Annual Meeting of the InternationalCongress of Parkinson's Disease and Movement Disorders, Nice, September 22-26.

    23. Caldwell, J.Z.K.,Zhuang, X., Ritter, A., Sreenivasan,K., Mishra, V., Cummings, J., Banks, S., & Cordes, D. Relationship of verbalmemory to default mode network volume differs by sex and amyloid status. Presentation accepted for the 2019NIH IDeA Western Regional Conference, Las Vegas, October 7-9.

    24. Kaylegian, J., Ritter, A., & Caldwell, J.Z.K.Impairment Rating Discrepancies in a Longitudinal Observational Alzheimer'sStudy. Poster submitted for the 2019 NIH IDeA Western Regional Conference, LasVegas, October 7-9.

    25. Ritter Aand Calvin K, Can Results from the Brief Smell Identification Test (BSIT)Predict Amyloid PET Results? Sensitivity and Specificity Analyses in a MixedSCI and MCI Population. (Accepted for Presentation at the 2019 Western IDeAWestern Regional Conference, October 2019, Las Vegas, NV)

    26. Matthews,D., Ritter, A., Thomas, R., Andrews,R., Luckic, A., Revta, C., Tousi, B., Leverenz, J., Fillit, H., Zhong, K.,Feldman, H., Cummings, J., The Effects ofRasagiline Upon Glucose Metabolism, Cognition, and Tau in Patients With Mild toModerate Alzheimer’s Disease: Results of a Phase II Clinical Trial.OC19-The Journal of Prevention of Alzheimer’s Disease-JPAD. Volume 6,Supplement 1, 2019.  

    27. Ritter A.,K. Zhong, G. Lee, J.Cummings, M. Sabbagh. Alzheimer’sDisease Drug Development Pipeline: 2019. Alzheimer’s Disease DrugDevelopment Pipeline: 2019. P043 The Journal of Prevention of Alzheimer’sDisease-JPAD. Volume 6, Supplement 1, 2019.

    28. Mishra, V., Ritter, A., Cordes, D., Caldwell, Diffusion Kurtosis Imaging Suggests SexSpecific Alteration of White Matter in Mild Cognitively Impaired Participants (acceptedfor publication at AAIC-2020)

    29. Mishra, V.,Caldwell, C., Cordes, D., Shan, G.,Ritter, A., Diffusion MRI-DerivedFree Water Fraction May be a Sensitive Imaging Biomarker that could ImproveIdentification of Mild Cognitive Impairment Participants progressing toAlzheimer’s disease-dementia. (accepted for publication at AAIC-2020)

    30. Sreenivasan K,Zhuang X, Longhurst J, Yang Z, Cordes D, RitterA, Caldwell J, Mari Z, Litvan I, Bluett B and Mishra V. Resting statefunctional connectivity in levodopa non responsive Parkinson’s disease patientswith freezing of gait. 2020 International Association of Parkinsonism andRelated Disorders.

    31. Mishra V,Sreenivasan K, Cordes D, Ritter A,Miller J, Mari Z, Litvan I, and Caldwell J. Investigating the sensitivity offree-water corrected diffusion-weighted MRI measures to understand sex-specificalterations in Parkinson’s disease with mild cognitive impairment. 2020International Association of Parkinsonism and Related Disorders.





    2016-2020                                                GlobalAlzheimer’s Platform (GAP)

                                                                            PrimaryInvestigator ($100,000)


    2016-Present                                           Centerfor Neurodegeneration and Translational Research (CNTN) NIGMS:   P20GM109025; Director,Clinical and Translational Research Core


    2019                                                             Influenceof Amyloid on Cognition, Cleveland Clinic Catalyst Grant

                                                                            PrimaryInvestigator ($75,000)


    2019-Present                                           BrainHealth in Professional Athletes



    2020-Present                                           LouRuvo Center for Brain Health Brain Donation Program, Marlon Foundation Grant; Co-Investigator($100,000)





    Alzheimer’s Disease

    2014-2016                                                EXPEDITION3 (Eli Lilly),

    Site Sub-Investigator


    2014-2016                                                IDEASStudy (CMS/Eli Lilly),

    Site Primary Investigator


    2014-2018                                                TOMMORROWStudy (Takeda),

    Site Primary Investigator


    2014-2018                                                DISINHIBITIONStudy (Avanir Pharmaceuticals),

    Site Sub-Investigator


    2014-2018                                                R2Study (ADDF/Avid/Takeda),

    Site Co-Investigator


    2016-2017                                                EARLYSTUDY (Janssen),

    Site, Sub-Investigator


    2016-2019                                                GENEMATCHStudy (Banner Health),

    Site Primary Investigator


    2016-2019                                                CREADII Study (Genentech),

    Site Co-Investigator


    2016-2019                                                EMERGEStudy (Biogen),

    Site Primary Investigator


    2016-2020                                                GENERATIONStudy (Novartis),

    Site Primary Investigator


    2016-current                                           LEARNStudy (Alzheimer’s Assoc/NIA),

    Site Primary Investigator


    2016-current                                  Clinic),

    Site Sub-Investigator


    2016-current                                           A4Study (Eli Lily),

    Site Primary Investigator


    2016-current                                           EXERTStudy (ADCS),

    Site Blinded Investigator


    2016-current                                           ADNI3 Study (University of Southern California),

    Site Sub-Investigator


    2017-2020                                                MISSIONAD Study (Eisai),

     Site PrimaryInvestigator


    2018-current                                           nQMedical (nQ),

    Primary Investigator


    2018-current                                           S-CitADStudy (JHSPH),

    Site Primary Investigator


    2018-current                                           T2TRIPROTECT Study (Biohaven),

    Site Primary Investigator


    2018-current                                           GRADUATEII Study (Genentech),

    Site Primary Investigator


    2019-current                                           OPTINAStudy (Optina),

    Primary Investigator


    2019-current                                           MCLENA-1Study (NIH),

    Site Sub-Investigator


    2019-current                                           CLARITYStudy (Eisai),

    Site Primary Investigator


    2019-current                                           GAINStudy (Cortexyme),

    Site Primary Investigator


    2019—current                                        TRCPAD Study (NIA/ATRI),

    Site Sub-Investigator


    2020-current                                           EMBARKStudy (Biogen), S

    ite Primary Investigator



    2012-2014                                                DCSStudy (University of Arizona),



    Chronic Traumatic Encephalopathy

    2016-current                                           ProfessionalFighter’s Study (CCLRCBH Philanthropy),



    2016-current                                           DIAGNOSECTE Study (NINDS),

    Site Sub-Investigator


    Dementia with Lewy Bodies

    2016-current                                           PRESENCEStudy (Eli Lilly),

    Site Sub-Investigator


    2019-current                                           ASCEND-LBStudy (EIP Pharma),

    Site Primary Investigator


    Frontotemporal Dementia

    2020-current                                           ALLFTDStudy (NIA and NINDS),

    Site Primary Investigator


    Huntington’s Disease

    2016-current                                           ENROLLHD Study (CHDI Foundation),

    Site Sub-Investigator


    Multiple Sclerosis

    2016-2018                                                AFFINITYStudy (Biogen),

    Site Sub-Investigator


    2016-2019                                                CHORDSStudy (Genentech),

    Site Sub-Investigator


    2016-current                                           BAF312Study (Novartis),

    Site Sub-Investigator


    2016-current                                           ENSEMBLEStudy (Roche),

    Site Sub-Investigator


    2016-current                                           FLUENTStudy (Novartis),

    Site Sub-Investigator


    2016-current                                           ESTEEMStudy (Biogen),

    Site Sub-Investigator


    2017-current                                           ARISEStudy (UTSW),

    Site Sub-Investigator


    2017-current                                           ALTHIOSStudy (Novartis),

    Site Sub-Investigator


    2017-current                                           NOVAStudy (Biogen),

    Site Sub-Investigator


    2018-current                                           DAYBREAK(Celgene),

    Site Sub-Investigator


    2018-current                                           MSPATHS (Biogen),

    Site Sub-Investigator


    2018-current                                           ULTIMATE2 (TG Therapeutics),

    Site Sub-Investigator


    Parkinson’s Disease

    2016-2018                                                NILOPD Study (Northwestern University),

    Site Sub-Investigator


    2018-Present                                           INSYTEStudy (Acadia),

                                                                            Site:Primary Investigator


    Progressive Supranuclear Palsy

    2017-2019                                                ARISEStudy (AbbVie),

    Site Co-Investigator




    2018-Present                                           GE-180


    • Psychiatry and Neurology - Psychiatry

    Specialty Interests

    Alzheimer's disease, Lewy body Disease, Vascular dementia, Chronic Traumatic Encephalopathy

    Awards & Honors

    • 2012                                           Dean’s List in Excellencein Teaching by a Houseofficer 2010-2011, University of Arizona

      2013                                           Junior Resident Award forBest Overall Performance for 2012-2013, University of Arizona

      2014                                           GMEResident Excellence and Leadership Scholarship for 2012-2013, University ofArizona

      2014                                           Ely Lily Research Awardfor 2013-2014, University of Arizona

      2015                                           ClevelandClinic Excellence in Teaching Award for 2014-2015

      2016                                           ClevelandClinic Excellence in Teaching Award for 2015-2016

      2018                                           2018 Innovator Healthcare Hero, Anthem BlueCross BlueShield andNevada Business Magazine

      2019                                           The Dr. Roy Martin 2019 Las Vegas HEALSInspired Excellence in Healthcare Award

      2020                                           KeyNote Speaker, Touro Research Day; Touro University, Henderson, NV

      2020                                           2020Alzheimer’s Award for the article: The Pathology of Rapid Cognitive Decline in ClinicallyDiagnosed Alzheimer's Disease  Journal of Alzheimer’sDisease


    • AmericanNeuropsychiatry Association

      2014-Present                         Member

      InternationalParkinson and Movement Disorder Society (MDS)

      2016-2018                              Member

      AmericanAcademy of Neurology

      2017-Present                         Member

      InternationalSociety to Advance Alzheimer’s Research and Treatment (ISTAART)

      2017-Present                         Member

    Research & Publications

    Research & Publications

    See publications for Aaron Ritter, MD.

    (Disclaimer: This search is powered by PubMed, a service of the U.S. National Library of Medicine. PubMed is a third-party website with no affiliation with Cleveland Clinic.)

    Industry Relationships

    Industry Relationships

    Cleveland Clinic physicians and scientists may collaborate with the pharmaceutical or medical device industries to help develop medical breakthroughs or provide medical expertise or education. Cleveland Clinic strives to make scientific advances that will benefit patient care and support outside relationships that promise public benefit. In order for the discoveries of Cleveland Clinic physicians' and scientists' laboratories and investigations to benefit the public, these discoveries must be commercialized in partnership with industry. As experts in their fields, Cleveland Clinic physicians and scientists are often sought after by industry to consult, provide expertise and education.

    To assure professional and commercial integrity in such matters, Cleveland Clinic maintains a program that reviews these collaborations and, when appropriate, puts measures in place to minimize bias that may result from ties to industry. Cleveland Clinic publicly discloses the names of companies when (i) its physicians/scientists receive $5,000 or more per year (or, in rare cases, equity or stock options) for speaking and consulting, (ii) its physicians/scientists serve as a fiduciary, (iii) its physicians/scientists receive or have the right to receive royalties or (iv) its physicians/ scientists hold any equity interest for the physician's/scientist's role as inventor, discoverer, developer, founder or consultant.* In publicly disclosing this information, Cleveland Clinic tries to provide information as accurately as possible about its physicians' and scientists' connections with industry.

    As of 9/8/2020, Dr. Ritter has reported no financial relationship with industry that is applicable to this listing. In general, patients should feel free to contact their doctor about any of the relationships and how the relationships are overseen by Cleveland Clinic. To learn more about Cleveland Clinic's policies on collaborations with industry and innovation management, go to our Integrity in Innovation page.

    Public Health Service-Reportable Financial Conflicts of Interest. Cleveland Clinic scientists and physicians engage in basic, translational and clinical research activities, working to solve health problems, enhance patient care and improve quality of life for patients. Interactions with industry are essential to bringing the researchers' discoveries to the public, but can present the potential for conflicts of interest related to their research activities. Click here to view a listing of instances where Cleveland Clinic has identified a Public Health Service (PHS)-Reportable Financial Conflict of Interest and has put measures in place to ensure that, to the extent possible, the design, conduct and reporting of the research is free from bias.

    * Cleveland Clinic physicians and scientists subscribe to the guidance presented in the PhRMA Code on Interactions with Healthcare Professionals and the AdvaMed Code of Ethics on Interactions with Health Care Professionals. As such, gifts of substantial value are generally prohibited.

    Patient Satisfaction Reviews

    310 Patient Satisfaction Reviews

    The Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our nationally-recognized Press Ganey Patient Satisfaction Survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.

    Responses are measured on a scale of 1 to 5 with 5 being the best score.

    The comments are submitted by patients and reflect their views and opinions. The comments are not endorsed by and do not necessarily reflect the views of Cleveland Clinic.

    Overall Star Ratings
    4.9 out of 5
    Explains 4.9
    Courtesy, Respect & Concern 5
    Patient Rating of Doctor 5

    88 Patient Comments

    Reviewed on Mar 25, 2021

    I would have preferred a little later in the day instead of 7:00 am, but when you have to help your family you do what you have to do. I appreciate the clinic and appreciate Dr. Ritter he is amazing if it wasn't for him my mom and uncle also my daughter with tourette's wouldn't be I was a correct care.

    Reviewed on Mar 23, 2021

    Dr Ritter is like a friend

    Reviewed on Mar 16, 2021

    Dr Ritter listened and answered all my concerns, outstanding customer service..

    Reviewed on Feb 23, 2021

    Dr. Ritter was very knowledgeable. He asked very good questions and listened to what I have to say.

    Reviewed on Feb 19, 2021

    Dr. Ritter is very kind and compassionate.

    Reviewed on Feb 9, 2021

    he's a great doctor we are very happy with him

    Reviewed on Feb 4, 2021

    Dr. Ritter is an exceptional physician. I feel extremely fortunate to be under his care. He is what all clinicians should aspire to be.

    Reviewed on Feb 3, 2021

    A special doctor

    Reviewed on Feb 2, 2021

    Dr Ritter is amazing. he is thorough, compassionate and articulate. I've worked in healthcare 50 years. He goes above and beyond.

    Reviewed on Jan 27, 2021

    I love Cleveland Clinic I feel like I am getting the best advice and respect than any other hospital clinic I've ever been to I love them thank you Dr. Ritter

    Reviewed on Jan 26, 2021

    Dr Ritter is very kind and explains things in a compassionate way. we like him very much

    Reviewed on Jan 15, 2021

    Excellent service, staff and doctors.

    Reviewed on Jan 14, 2021

    Dr Ritter was professional and informative. Appreciated his insight and plan of direction regarding testing and treatment.

    Reviewed on Jan 13, 2021

    Dr. Ritter was very thorough n understanding. Diagnosis was thorough n comprehensive. Also his nurse Michele was excellent.

    Reviewed on Jan 6, 2021

    Dr Ritter is helpful and knowledgeable

    Reviewed on Jan 5, 2021

    We were very satisfied with the entire process and walked away feeling very confident in the doctor and his preliminary evaluation. He showed a genuine interest, was empathetic, a good listener, very courteous, and explained himself well.

    Reviewed on Dec 23, 2020

    Dr Ritter was excellent, the best Dr we have been to he was very interested in all we had to say and seemed to really want to help us find some resolve to our situation and really wants to help my husband.

    Reviewed on Dec 22, 2020

    my mom and I both liked doctor Ritter very much. he made us feel welcome and listened to. he was very caring and explained things well. he also was very clear in his explanation of what he wanted to do for our next appointment. it was a very good experience for us.

    Reviewed on Dec 22, 2020

    Dr. Ritter was a sincerely kind provider! He answered all our questions and explained things we did not quite understand. Very knowledgeable and gave us hope and direction. Thank you!

    Reviewed on Dec 18, 2020

    Dr Ritter was very professional with warmth of a close relative.Doctor had reviewed my file recently and referred to his notes often.He was just what the Doctor ordered.

    Reviewed on Dec 10, 2020

    Best DR. I've seen at the clinic. it didn't take him long to identify my problem, which is not common.

    Reviewed on Dec 9, 2020

    Dr. Aaron Ritter and Cleveland clinic's entire staff is compassionate and dedicated. Dr. Ritter took the time to talk to me and answered all my questions without rushing me or making me feel like he had to be somewhere else. Great doctor and human being!

    Reviewed on Dec 4, 2020

    Absolutely will recommend Dr. Ritter. He was interested, showed humor, and empathy.

    Reviewed on Dec 3, 2020

    Excellent experience with cleveland clinic and Dr Ritter

    Reviewed on Dec 3, 2020

    Dr Ritter is the best dr i have ever seen in many ways, certainly his treatment of me personally and respect for my ideas.

    Reviewed on Nov 19, 2020

    Dr Ritter went above and beyond in his care for us. He was very helpful.

    Reviewed on Nov 13, 2020

    Exceptional care and service. I'm glad my doctor is *Dr. Ritter. I have great faith in him.

    Reviewed on Nov 13, 2020

    Dr. Ritter is amazing when you're in the room with him he takes his time listening and answering any questions or comments you may have and that's comforting. Thank you Dr. Ritter for saving my Mom's life and I hope we can get my uncle in so you can save his as well. Happy Holidays

    Reviewed on Nov 13, 2020

    the appointment with dr. Aaron Ritter was very good he was very concerned and patient and really took his time with joy I would highly recommend him

    Reviewed on Nov 11, 2020

    Dr. Ritter and his nurse, Moneeka, have always exhibited the utmost respect, care and concern with my mom and me, her daughter, at every appointment. This is especially important to me as my mom's disease progresses.

    Reviewed on Nov 11, 2020

    Dr Ritter explains everything with easy manner and answers all questions

    Reviewed on Nov 10, 2020

    Doctor Ritter was very professional and attended to all my questions and needs.

    Reviewed on Nov 6, 2020

    Really appreciated Dr. Ritter and Moneeka. Didn't feel rushed, validated my concerns, easy to speak to, and truly felt he cared about my mom.

    Reviewed on Nov 6, 2020

    Have had negative experiences here as well, but based strictly on visit with Dr. Ritter, i I would highly recommend.

    Reviewed on Oct 29, 2020

    Dr. Ritter was very professional. answered my questions right on point.

    Reviewed on Oct 16, 2020

    I really love the virtual appointments. There was a little difficulty with the sound however the doctor called on the phone and we were able to speak with him and also see him.

    Reviewed on Oct 13, 2020

    Dr. Ritter is an excellent M.D. and I am so fortunate to have him. He is very patient and very caring which is rare with today's medical care. He clearing explains everything about my diagnosis and answers any questions I may have.

    Reviewed on Oct 2, 2020

    I am so thankful to be going to the Clinic and Aron Ritter MD is wonderful.

    Reviewed on Oct 2, 2020

    Dr. Ritter is very caring, understanding, a direct. We appreciate his understanding of this disease making something that's difficult a bit easier for us. Thank you Dr. Ritter.

    Reviewed on Oct 1, 2020

    Dr Ritter is an excellent listener and provides detailed explanations of problems and solutions that are understandable. We feel he actually knows what he's talking about.

    Reviewed on Sep 25, 2020

    Dr. Ritter is one of the finest physicians I have ever experienced. Warm, friendly, analytical, solution-oriented and most caring!

    Reviewed on Sep 23, 2020

    Dr. Ritter is an excellent doctor. He always focuses on our concerns. He is patient and always strives to provide an excellent doctor / patient relationship

    Reviewed on Sep 22, 2020

    Dr Ritter is an excellent Dr and he is extremely thorough, knowledgeable and personable.

    Reviewed on Sep 22, 2020

    excellent experience. very caring physician and easy to communicate with him.

    Reviewed on Sep 18, 2020

    Dr. Ritter is super. He goes out of his way to help in any way he can. We are lucky to have him as our doctor.

    Reviewed on Sep 17, 2020

    amazing thoughtful Cleveland Clinic

    Reviewed on Sep 16, 2020

    Dr. Ritter is an amazing caring, considerate and intelligent doctor.

    Reviewed on Sep 15, 2020

    Dr Ritter took the time to discuss issues and potential resolutions. Thank you!

    Reviewed on Sep 4, 2020

    Dr Ritter has excellent bedside manner

    Reviewed on Sep 3, 2020

    Dr Ritter is excellent. He creates an almost instant rapport with his patient and it is evident that he has a heart for people. He is both caring and compassionate towards caregiver and patient. He is also extremely knowledgeable about the best treatment and takes the time to answer all questions. I never feel rushed.

    Reviewed on Sep 3, 2020

    Dr Ritter is an awesome provider and so is his nurse Moneeka.

    Reviewed on Aug 28, 2020

    like Dr Ritter very much

    Reviewed on Aug 28, 2020

    Dr. Ritter is excellent. He takes his time with our family and is very knowledgeable. He has terrific bedside manner and makes us very comfortable.

    Reviewed on Aug 28, 2020

    We are very happy to have Dr. Ritter as our doctor.

    Reviewed on Aug 28, 2020

    I can't say enough good things about Dr. Ritter. He is kind, focused, not condescending, addresses issues and questions, and tries to optimize treatment.

    Reviewed on Aug 27, 2020

    we had an excellent experience. Dr Ritter is A plus in all aspects. I'm an RN with over 50 years in healthcare. Yolande also excellent

    Reviewed on Aug 26, 2020

    Doctor Ritter seems to be knowledgeable about problems like mine.

    Reviewed on Aug 26, 2020

    Doctor Ritter and staff are caring and knowledgeable. They did not rush me in and out.

    Reviewed on Aug 21, 2020

    As always, Dr. Ritter was thorough, professional and caring. He treats me as a person that he knows well. He goes to great lengths to explain things and to reassure and educate me. I cannot praise him too highly.

    Reviewed on Aug 19, 2020

    Dr. Ritter is a caring and outstanding doctor.

    Reviewed on Aug 18, 2020

    I am welcomed to contact Dr Ritter at anytime I feel necessary

    Reviewed on Aug 18, 2020

    Dr Ritter was exceptional in explain everything to me so that I could understand

    Reviewed on Jul 23, 2020

    Dr. Ritter is wonderful.......................

    Reviewed on Jul 22, 2020

    Dr. Ritter was great!

    Reviewed on Jul 22, 2020

    I had an excellent visit and was completely satisfied with the entire experience. Dr. Ritter is a very good doctor.

    Reviewed on Jul 21, 2020

    My experience with Dr. Ritter so far has been 2nd to none and everyone at the Cleveland Clinic has been wonderful!

    Reviewed on Jul 16, 2020

    It was a good experience. We live so far away from any specialty doctors that the online visit was very convenient for us.

    Reviewed on Jul 16, 2020

    Dr. Ritter explained some of the difficulties we were having. He explained the CT and MRI results. He gave us options to help slow the problem.

    Reviewed on Jul 9, 2020

    Dr. Ritter is an exceptional doctor and I may fortunate to be his patient.

    Reviewed on Jun 30, 2020

    We were pleased to be able to meet directly with Dr. Ritter this time.

    Reviewed on Jun 30, 2020

    we have other physicians that we go to for different medical issues, and a majority of them do a nice job of explaining things to the patient. however, our experience with the Cleveland Clinic has been above and beyond what we expected. we always feel like everyone we interact with at the clinic, has the upmost concern and willingness to make sure we are taken care of and informed why procedures and programs are being given to us to help facilitate and/or help with our situation(s)..We are TRULY fortunate to have the Cleveland Clinic beside us through this chapter in our lives!!

    Reviewed on Jun 16, 2020

    We have had a good experience with Doctor Ritter, my Mom really loves talking with him. He treats her with compassion and understanding. Thank you

    Reviewed on Jun 12, 2020

    great doctor, very informative. gave us positive vibes

    Reviewed on Jun 10, 2020

    Dr. Ritter is an excellent doctor. He always takes time to discuss and answer any questions that we may have. He is always up to date in understanding Sophia's situation currently as I have informed him. He is always not only concerned about the well being of the patient but also the wellbeing of the caregiver.

    Reviewed on Jun 3, 2020

    Dr. Ritter is incredibly caring and knowledgeable.

    Reviewed on Jun 3, 2020

    reaching Dr Ritter by my chart has been very easy.

    Reviewed on Jun 3, 2020

    we are totally grateful for dr Ritter

    Reviewed on Jun 2, 2020

    Dr Ritter was very caring , professional, knowledgeable and a great listener with lots of empathy for mom's issues and our concerns.He took the time to answer our questions and speak to mom and ask her questions about her health .Last appointment he gave her a referral to a Cardiologist and we are thankful her blood pressure now is controlled and we are running tests to improve mom's health.Also important he's very friendly and patient , we look forward to future appointmentswith him.

    Reviewed on May 29, 2020

    Dr Ritter was efficient knowledgeable polite listened snd processed what i said and responded. i am very happy having him as my dr.

    Reviewed on May 22, 2020

    Dr. Ritter is a very caring, considerate and thorough doctor.

    Reviewed on May 21, 2020

    we are do pleased with Dr. Ritter. he is just excellent.

    Reviewed on May 19, 2020

    he was friendly,very knowledgeable and took the time to answer all of our questions. dr. Ritter is a definite asset to the Cleveland clinic!

    Reviewed on May 8, 2020

    Dr. Ritter is always professional, kind, and patient with us.

    Reviewed on May 7, 2020

    Dr Ritter is so great, we're so happy he's ours. Always very honest and explains

    Reviewed on May 7, 2020

    We love being with Dr Ritter, video is easy and love seeing him in person too. it's hard to compare.

    Reviewed on Apr 29, 2020

    Dr. Ritter was kind caring and thorough

    Reviewed on Apr 16, 2020

    Excellent physician; very compassionate

    Reviewed on Apr 2, 2020

    Dr. Ritter is the best. He is professional and deeply caring.

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