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

  • Adult Neurology
  • Consultation, Evaluation, And Treatment Adult Neurological Disorders
  • Neurocritical Care
View all 3 Treatment & Services +

Specialty in Diseases & Conditions

  • Alzheimer's
  • Alzheimer's and Dementia
  • Creutzfeldt-Jakob Disease
  • Dementia
  • Dementia with Lewy Bodies
  • Frontotemporal Dementia
  • Frontotemporal Dementia (FTD)
  • Hydrocephalus Normal Pressure
View all 8 Specialties +


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About Marwan Sabbagh, MD

Marwan Noel Sabbagh, MD, board certified neurologist and geriatric neurologist, hopes to work himself out of a job. Considered one of the leading experts in Alzheimer’s and dementia, he is the Camille and Larry Ruvo Endowed Chair for Brain Health and Director of Cleveland Clinic Lou Ruvo Center for Brain Health in Las Vegas. Dr Sabbagh has dedicated his career to finding a cure for Alzheimer’s and other age-related neurodegenerative diseases.

Dr. Sabbagh is a leading investigator for many prominent national Alzheimer’s prevention and treatment trials. Dr. Sabbagh is on the editorial board for Journal of Alzheimer's Disease and BMC Neurology. He is now editor in chief of Neurology and Therapy. He has authored and co-authored more than 320 medical and scientific articles on Alzheimer’s research. 

Dr. Sabbagh is the author of The Alzheimer’s Answer: Reduce Your Risk and Keep Your Brain Healthy, with foreword by Justice Sandra Day O’Connor, and of The Alzheimer’s Prevention Cookbook: 100 Recipes to Boost Brain Health. He has edited Palliative Care for Advanced Alzheimer’s and Dementia: Guidelines and Standards for Evidence Based Care and Geriatric Neurology, published in 2014.

He has been recognized with numerous awards, including WestMarc Innovator Award, 2015; Fellow of the American Academy of Neurology, 2004; Arizona Business Journal, Healthcare Hero Finalist, 2004; Peter F Drucker Award co-recipient, 1998; and Travel Fellowship Award recipient, American Neurological Association, 1996.

Dr. Sabbagh earned his undergraduate degree from the University of California, Berkeley and his medical degree from the University of Arizona in Tucson. He received his residency training in neurology at Baylor College of Medicine, Houston, Texas, and completed his fellowship in geriatric neurology and dementia at the University of California, San Diego School of Medicine, where he served on the faculty as assistant professor. Before joining the faculty of the Barrow Neurological Institute where he served for three years, Dr. Sabbagh was with the Banner Sun Health Research Institute for 15 years.

Education & Professional Highlights

Education & Professional Highlights


Education & Fellowships

Fellowship - University of California San Diego Medical Center
Geriatric Neurology
San Diego, CA USA

Residency - Baylor University Medical Center
Dallas, TX USA

Internship - Good Samaritan Regional Medical Center
Internal Medicine
Phoenix, AZ USA

Medical Education - University of Arizona College of Medicine
Tucson, AZ USA

Undergraduate - University of California at Berkeley
Berkeley, CA USA


  • Psychiatry and Neurology - Neurology

Awards & Honors

  • Student Summer Fellow, Arizona Cancer Society, 1988
  • Student Representative to the Western Federation of Clinical Research, University of Arizona, 1990
  • Allistair Karmody Award Finalist, 1991
  • Travel Fellowship Award Recipient, American Neurological Association, 1996
  • Peter F Drucker Award Co-recipient, 1998
  • Dystonia Doctor of Excellence, San Diego County, 2000
  • Life Member of the National Registry of Who’s Who #172142, 2001
  • Arizona Business Journal, Healthcare Hero Finalist 2004
  • Fellow of the American Academy of Neurology 2004
  • WestMarc Innovator Award, 2015
Research & Publications

Research & Publications

See publications for Marwan Sabbagh, 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 10/16/2019, Dr. Sabbagh has reported the financial relationships with the companies listed below. 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.

Consulting and/or Speaking. Dr. Sabbagh receives fees of $5,000 or more per year as a paid consultant, speaker or member of an advisory committee for the following companies:

  • Roche (Hoffman-La Roche, Ltd.)
  • Neuronix
  • Med Learning Group
  • vTv Therapeutics LLC
  • Eisai Co., Ltd.
  • Health and Wellness Partners, Inc.

Royalty Payments. Dr. Sabbagh receives or has the right to receive royalty payments for inventions or discoveries commercialized through the companies shown below:

  • Brain Health Inc.
  • The Optimal Cognitive Health Company LLC

Equity Dr. Sabbagh owns stock or stock options in the following companies for activities as a founder, inventor, discover, developer:

  • Versanum Inc.
  • NeuroTau

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

129 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 4.8
Courtesy, Respect & Concern 4.9
Patient Rating of Doctor 4.9

34 Patient Comments

Reviewed on Aug 12, 2020

After a few video consultations with Dr Sabbagh, I felt it was important to see him in person. Dr Sabbagh scheduled an in-person testing to be done prior to our actual appointment. Even with the Covid issues, everything went well.

Reviewed on Aug 12, 2020

Very impressed with all affiliated at Cleveland Clinic. Unlike any experience we've had with other providers.

Reviewed on Aug 4, 2020

amazing experience from scheduling to doctor to check out!

Reviewed on Jul 22, 2020

our experience with doctor sabbath and his assistance has been very good all question answer and understanding Alzheimer's .

Reviewed on Jul 22, 2020

we found the care and concerns of the doctor nurses and assistants very caring

Reviewed on Jul 15, 2020

I appreciated very much that the doctor took the time to ask questions to the caregiver

Reviewed on Jul 15, 2020

Excellent doctor.....Excellent experience!!

Reviewed on Jul 14, 2020

We were so impressed with the Dr.'s concern, clear and concise explanations and ultimate proposed game plan

Reviewed on Jul 14, 2020

very poor transmission of information between personel,dates times and names and atients Excellent once Dr Sabbagh was on the line

Reviewed on Jul 14, 2020

The Dr. was excellent

Reviewed on Jul 14, 2020

Dr Sabbagh is an outstanding, caring, super intelligent and most knowledgeable doctor around and very much in demand.

Reviewed on Jul 14, 2020

Number 1 doctor is Dr Sabbagh -hopefully we will be able to have clones of him throughout this world

Reviewed on Jun 17, 2020

EXCELLENT, beyond anything we were expecting. Dr. Sabbagh was extremely knowledgeable & caring & provided possible solutions that no other doctors have in the past. Gave hope my mental & physical problems can be improved.

Reviewed on May 5, 2020

The experience was good but I much prefer seeing Dr Sabbagh in person

Reviewed on Apr 14, 2020

Dr. Sabbagh listened intently to my questions and concerns. He took an ample amount of time with his explanations and suggestions for imporoving my health.

Reviewed on Mar 30, 2020

Dr S is the best!!!

Reviewed on Mar 25, 2020

Our experiences with everyone on Dr. Sabbagh's team have been exceptional. I have complete trust in Dr. Sabbagh and his team.

Reviewed on Mar 24, 2020

Doctor Sabbagh was excellen; explained everything so well.

Reviewed on Mar 3, 2020

Dr. Sabbagah (hope that's the right spelling) was appropriate, helpful, knowledgeable, probing without being invasive and overall very helpful - I felt that I'm finally in good hands.

Reviewed on Mar 3, 2020

Dr. Sabbagh has always been very professional, extremely knowledgeable, very patient and kind. He takes time to explain all options and ensures I understand all treatments and/or medications. He is genuinely concerned about not only my diagnosis, but about my personal well being as well as my family's.

Reviewed on Feb 11, 2020

Dr. Sabbagh was pleasant and forthright about my condition. He addressed my concerns and answered all of my questions.

Reviewed on Feb 4, 2020

Dr. Sabbagh is straight forward, pulls no punches, and explains the facts to us clearly, answers our questions to our satisfaction.

Reviewed on Jan 28, 2020

Dr Sabbagh was amazing

Reviewed on Jan 28, 2020

It took 6 months to get my initial appointment then another 7 months before MRI and evaluation were complete with follow up with Dr. Sabaugh.

Reviewed on Jan 20, 2020

We were referred back from Dr MARI.

Reviewed on Dec 19, 2019

the doctors and staff were fantastic no complaints treated you with upmost respect and care very caring and dedicated staff

Reviewed on Dec 10, 2019

Staff, nurse, and Physician: all were professional and helpful

Reviewed on Nov 4, 2019

Dr. Marwan Sabbagh is an excellent physician who cares about the whole patient and inspires our confidence in his knowledge of many of the physical/chronic conditions his patient is experiencing.

Reviewed on Nov 4, 2019

*Dr. Sabbagh and staff were great.

Reviewed on Oct 22, 2019

dr Sabbagh is our dr and we feel very blessed to have him! He is an amazingly brilliant man! He gave us such great care and we feel so lucky to have him seeing us!

Reviewed on Oct 1, 2019

excellent so satisfying and comforting to feel the confidence and direction of what to expect as we identify the level of dementiathe doctor was direct and clear

Reviewed on Oct 1, 2019

I have complete confidence the doctor can help identify problems as they arrive and can resolve I loved his expertise!He gave me comfort and hope as I travel this difficult journey

Reviewed on Sep 30, 2019

Dr sabbagh was very concerned about Joseph's health issues. we were so grateful to be taken care of by him. thank you

Reviewed on Sep 10, 2019

wonderful Dr listened to me and explained it all to me .. felt heard and I trust the Dr is concerned and involved.

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