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


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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


  • Neurology
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 9/25/2018, 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:

  • WebMD
  • vTv Therapeutics LLC
  • Med Learning Group
  • Potomac Center for Medical Education
  • Biogen Idec, Inc.
  • Grifols, S.A.
  • Otsuka Pharmaceutical Co., Ltd.
  • Impact Education, LLC
  • Lilly USA, LLC

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

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

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

142 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 4.9
Knows Medical History 4.6
Time Spent with Patient 4.9
Patient Rating of Doctor 4.9

22 Patient Comments

Reviewed on Feb 19, 2019

Dr Sabbagh is the best. He took his time in examining and evaluating dad. He also explained his condition in detail. Dr Sabbagh ordered testing for dad and after the results will set up a plan for his care.

Reviewed on Jan 28, 2019

Dr. Sabbagh is always very kind, patient, and knowledgeable about my care and treatment. I always know that I am receiving excellent care.

Reviewed on Dec 17, 2018

This was my first visit with the doctor. He didn't make any recommendations for treatments until he receives the tests results he ordered.

Reviewed on Nov 26, 2018

Felt like Dr actually LISTENED to us as our last neurologist did not. That is why we left her and came to Cleveland Clinic

Reviewed on Nov 6, 2018

my experience was excellent in every way I would not hesitate to recommend Dr. Sabaugh or this Clinic

Reviewed on Nov 6, 2018

Excellent for everything. loved the staff and Dr. Sabaugh my experience could not have been better.

Reviewed on Oct 30, 2018

We waited approximately one hour before we went in to see the Doctor. After apologies due to a back log, we were accommoded.

Reviewed on Oct 30, 2018

The Doctor and his staff were outstanding.

Reviewed on Sep 24, 2018

The doctor always included the care givers in information and procedures about the patient they are responsible for. A pleasant experience to see the care provider.

Reviewed on Sep 24, 2018

It has been an absolute pleasure and delight to be apart of the Cleveland Clinic family. From the initial kindness of the volunteers when entering to the staff at hand, the warmth and care throughout the building is undeniable. Dr. Sabbagh is in another category of his own. We couldn't be more pleased and put at ease having his attentive care and groundbreaking knowledge. It has been well worth the wait to become part of such a unique special environment.

Reviewed on Sep 24, 2018

I was very pleased with my doctor and all the staff

Reviewed on Sep 18, 2018

Everyone at Cleveland Clinic from the provider to the nurses to the clerical staff and including the volunteers exceeded every expectation and experience of any other medical service I have ever received.

Reviewed on Aug 28, 2018

This was the best medical appointment experience I ever had with a facility, Doctor, and support personnel. A perfect model for excellent care.

Reviewed on Aug 14, 2018

I live 4 hours from the provider's office, but I choose to keep Dr. Sabbagh as my physician, due to his expertise.

Reviewed on Aug 13, 2018

After seeing the nurse, she told me that the doctor was right outside and would be coming into the exam room in a moment. It took quite a while until he came in.

Reviewed on Jul 17, 2018

This was a very productive appointment. Dr. Shabbah was personable, explained my situation in a clear manner and offered me a lot of hope for a better future. He is a wonderful doctor with extraordinary knowledge of his field.

Reviewed on Jul 17, 2018

As already mentioned, this meeting was very productive. I learned new things and now have confidence my life will get better. There are doctors who appear to be a little bored, but Dr. Shabbah wanted to learn all about me and seemed truly interested in finding out what would be the best treatment. I am 80 years old and he just might be the best doctor I have ever had.

Reviewed on Jul 10, 2018

I am a new patient, July 10th was my first visit. I was treated like royalty. I am in the first stages of Dementia. The nurse and Doctor were outstanding, I felt so relived to know that Doctor Sabbagh was very interested in my case and me. I am 86years old

Reviewed on Jun 25, 2018

I feel like I have the best possible expert ( and charismatic ) doctor taking on my case. I feel very lucky, and appreciative.

Reviewed on Jun 25, 2018

Doctor wants to confirm suspension of rare diagnosis with colleague and we are to get a 2nd opinion before final decision. wait time is 2 months

Reviewed on Jun 25, 2018

Doctor was fabulous

Reviewed on May 14, 2018

Never been treated so nice. This provider was very professional and very nice to include my family members to help answer questions about my health. Outstanding!

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