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 Part of Your Insurance?

Review a list of accepted insurance plans for our Northeast Ohio locations or learn more about purchasing a contracted managed care plan.

View All Plans

About Aaron Ritter, MD

Aaron Ritter, MD, Associate Staff, Neuropsychiatry and Behavioral Neurology as well as the Director of Clinical Trials at the Cleveland Clinic Lou Ruvo Center for Brain Health.

Dr. Ritter treats adult Neurological patients and also leads the clinical Research Department by conducting urgently needed trials to advance the prevention, early detection, and treatment for Alzheimer’s disease, Parkinson’s disease, multiple sclerosis, and Huntington’s disease.  With more than 50 drugs and diagnostic trials being conducted at the Center, the Lou Ruvo Center for Brain Health is one of the largest and most active clinical research facilities for memory disorders in the country.

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 School - 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


Professional Highlights

  • Publications

    RitterA, Banks, SA, Leger, G, Miller, J, Neuropsychologicaltesting in pathologically verified Alzheimer’s disease and frontotemporaldementia: How well do the Uniform Data Set measures differentiate betweendiseases? Alzheimer’s Disease and Associated Disorders. (accepted)

    RitterA, Cummings JL, Fluid Biomarkers inClinical Trials of Alzheimer's Disease Therapeutics. Front Neurol.2015 Aug 31;6:186.

    RitterA, Pillai JA, Treatment of VascularCognitive Impairment. Curr Treat Options Neurol. 2015 Aug;17(8):367.

    Research/Clinical Trials

    PrimaryInvestigator, Clinical and Translational Research Core (CTRC) for Center forBiomedical Research Excellence (COBRE).  National Institute of Health.Cleveland Clinic, Las Vegas, NV.

    Sub-Investigator,A Phase 3 Multicenter, Randomized, Double-Blind, Placebo-Controlled,Parallel-Group Study to Evaluate the Efficacy and Safety of Aducanumab inSubjects with Early Alzheimer’s Disease. Cleveland Clinic, Las Vegas, NV.

    Sub-Investigator,A Phase 2, Multicenter, Randomized, Double-Blind, Placebo-Controlled,Cross-over Study to Assess the Safety, Tolerability and Efficacy of AVP-786 for the Treatment of Disinhibition in Patients with Neurodegenerative Disorders.Avanir Pharmaceuticals Inc. Cleveland Clinic, Las Vegas, NV.

    Sub-Investigator,Rasagiline Rescue in Alzheimer’s DiseaseClinical Trial. Alzheimer’s Disease Cooperative Study.  ClevelandClinic, Las Vegas, NV.

    Sub-Investigator,Biomarker Qualification for Risk of MCIdue to AD and Safety and Efficacy Evaluation of Pioglitazone (AD-4833 SR 0.8 mgQD) in Delaying its Onset. Takeda Pharmaceuticals. Cleveland Clinic, LasVegas, NV.

    Sub-Investigator,Anti-Amyloid Treatment in Asymptomatic Alzheimer’s Disease, Lily. Cleveland Clinic, Las Vegas, NV.

    Sub-Investigator,A Randomized Controlled Trial ofCognitive Remediation and D-cycloserine for Individuals with Bipolar Disorder(DCS). University of Arizona, Tucson, AZ.

Awards & Honors

  • Cleveland Clinic Excellence in Teaching Award for 2015-2016

    Cleveland Clinic

    Cleveland Clinic Excellence in Teaching Award for 2014-2015

    Cleveland Clinic

    Ely Lily Research Award for 2013-2014

    University of Arizona

    GME Resident Excellence and Leadership Scholarship for 2012-2013

    University of Arizona, Tucson, Arizona

    Junior Resident Award for Best Overall Performance for 2012-2013

    Department of Psychiatry, University of Arizona

    Dean’s List in Excellence in Teaching by a Houseofficer 2010-2011

    University of Arizona College of Medicine


  • American Academy of Neurology
  • American Neuropsychiatric Association
  • International Neuropsychological Society
  • International Parkinson and Movement Disorder Society
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 9/30/2017, 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

219 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
Listens 5
Courtesy, Respect & Concern 5
Knows Medical History 4.9
Time Spent with Patient 4.9
Patient Rating of Doctor 4.9

20 Patient Comments

Reviewed on Dec 18, 2017

Provider was patient, clear in explanations, friendly, efficient.

Reviewed on Dec 14, 2017

Very impressed with how we were treated by Dr Ritter!!

Reviewed on Dec 4, 2017

Absolutely a patient and sincerely interested physician . Listened without jumping to conclusions. Evaluated everything very carefully.

Reviewed on Nov 7, 2017

very attentive to our needs and questions

Reviewed on Oct 4, 2017

Superb. Dr Ritter cares about the patient, the family, the overall situation and spends as much time as we need with him. Fully explains everything and we always leave satisfied with the care.

Reviewed on Sep 12, 2017

Dr. Ritter is excellent in all respects.!!

Reviewed on Sep 11, 2017

Dr. Ritter has a superb ability, manner, knowledge, etc.

Reviewed on Aug 1, 2017

Excellent giver and takes... questions & comments.

Reviewed on Aug 1, 2017

The whole experience left us with assured feeling regarding my mental health.

Reviewed on Jul 31, 2017

All ways very good experience.

Reviewed on Jul 26, 2017

Dr. Ritter is FANTASTIC. Very kind, caring, knowedable, patient, respectful-- everything one could want in a physician.

Reviewed on Jun 27, 2017

Great experience - very educational and thorough explanations.

Reviewed on Jun 26, 2017


Reviewed on Apr 12, 2017

good experience

Reviewed on Apr 11, 2017

My visit with Dr. Ritter was a very positive experience for me. He was very sensitive to my wife and me.

Reviewed on Apr 7, 2017

appointment February 2018

Reviewed on Mar 14, 2017

The total experience was excellent. Dr. Ritter was excellent!!

Reviewed on Feb 21, 2017

Good experience, good sounding board as to progression of my condition.

Reviewed on Jan 24, 2017

Dr. Ritter - excellent.

Reviewed on Jan 12, 2017

identified my med. issue and printed out entire future remedies

Related Videos Featuring Aaron Ritter, MD

Related Videos Featuring Aaron Ritter, MD