Highlights
Age Groups Seen
- Adolescent
- Adult
Languages
- English
Gender
MaleLocations
- Avon - Richard E. Jacobs Health Center
- 33100 Cleveland Clinic Boulevard, Avon, OH 44011
- Get Directions
Education & Board Certifications
Education
- Graduate School: University of St. Thomas, 2007
- Fellowship: Wayne State University-Detroit Medical Center, 1998
- Residency: Wayne State University-Detroit Medical Center, 1995
- Medical Education: Aleppo University Faculty of Medicine, 1987
Board Certifications
- Endocrinology, Diabetes and Metabolism: American Board of Internal Medicine, 1997
Research & Publications
See publications for this provider. (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
Cleveland Clinic physicians and scientists collaborate with industry to advance medical breakthroughs. These partnerships help commercialize discoveries for public benefit while maintaining scientific integrity. To ensure transparency and minimize potential bias, Cleveland Clinic reviews these relationships and publicly discloses when physicians/scientists receive significant compensation for consulting, serve in fiduciary roles, receive royalties, or hold equity interests related to their work. We manage potential conflicts through approval processes, annual reporting, and targeted management plans.
As of 2025-09-24, Dr. Hamaty 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.
Insurances Accepted
Video
Ratings & Reviews
4.9 out of 5
157 ratings, 38 reviewsThe Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.
- 5 out of 5 starsReviewed on 3/30/2026
Dr Hamaty is so bright and explains things so well.
- 5 out of 5 starsReviewed on 3/24/2026
Gold Stars All the Way Around. Dr. Marwan Hamaty is extremely knowledgeable, thorough and has considerably extensive experience in his field. Dr. Hamaty is Board Certified in Diabetes, Metabolism & Endocrinology. He will explain your medical condition and its treatment with an easily understandable approach. He truly CARES and wants to be certain that the patient''s concerns and questions are very easily comprehended. His pace for your appointment WILL NOT BE RUSHED. He will not treat you as if though you are an inconvenience, or just another number. Dr. Hamaty is very personable, and refreshingly kind with no Inflated ego. Dr. Hamity is HANDS-DOWN the nicest physician that I have ever dealt with. The Cleveland Clinic is very fortunate to have him as a member of their staff.
- 5 out of 5 starsReviewed on 3/24/2026
Dr. Hamaty is a very good doctor, he''s prepared, well-informed and caring.
- 5 out of 5 starsReviewed on 3/5/2026
Doctor is very thorough, kind, professional and I felt he listened to my concerns and offered excellent care. Very patient and explained in great detail how to proceed with my ongoing care.
- 5 out of 5 starsReviewed on 3/5/2026
He is an excellent provider. Very caring.
- 5 out of 5 starsReviewed on 1/28/2026
Dr Hamaty is the best!!
- 5 out of 5 starsReviewed on 12/24/2025
Dr. Hamaty Is very professional and made me feel very comfortable and at ease discussion my health situation. I am very thankful for that.
- 5 out of 5 starsReviewed on 12/24/2025
Dr. Hamaty always available thru office or MyChart
- 5 out of 5 starsReviewed on 12/16/2025
Dr. Hamaty listens to your concerns and takes into account all of your medical problems before discussing a treatment plan. He includes the patient in the plan of care, and discusses all options and contraindications to the medical plan
- 5 out of 5 starsReviewed on 12/16/2025
Dr. Hamaty routinely updates me on test results and plan of care. It is very difficult to get an appointment. He is currently booking 8 months out. If it is necessary to change an appointment, it is impossible to get it rescheduled in a timely manner
- 5 out of 5 starsReviewed on 12/16/2025
Dr Hamaty is a very talented, wise and compassionate endocrinologist. He has guided my treatment for many years now. Cleveland Clinic is lucky to have him, and patients are really lucky if they are assigned to him!
- 5 out of 5 starsReviewed on 11/19/2025
Only option was video visit, so we did a video visit. Dr Hamaty was good.
- 5 out of 5 starsReviewed on 11/13/2025
Dr. Hamaty is an excellent physician. He is kind, thoughtful, and very thorough. He takes the time to explain everything and listens to my concerns.
- 5 out of 5 starsReviewed on 11/7/2025
Dr. Hammaty was and is very, very good. Attentive, professional, and thoughtful. I felt he was extremely competent And he listened and heard me. He was very thorough.
- 5 out of 5 starsReviewed on 11/4/2025
I would highly recommend Dr Hammaty to my family and friends. He took time to explain my condition and gave advise on medication and the reason for it. I am very pleased to be his patient
- 5 out of 5 starsReviewed on 10/22/2025
Very nice doctor. Intelligent and caring
- 5 out of 5 starsReviewed on 10/22/2025
Fantastic doctor
- 4 out of 5 starsReviewed on 9/11/2025
Waiting for doctor to review blood test results and advise me of any concerns. Two days waiting
- 5 out of 5 starsReviewed on 8/20/2025
Dr hamatty is very busy and I waited a long time to see him BUT he is very good and he goy me to get my prolio shot in a closer place
- 3 out of 5 starsReviewed on 8/20/2025
I need an appointment in 6 month with DR Hamaty and I got for next year the end of June , very disappointing.
- 5 out of 5 starsReviewed on 8/19/2025
Dr Hamaty is truly the best. He worked so hard on coming up with a solution to my issue. He made every effort to explain to me the issue and the different steps he would take to solve it. I truly appreciate everything he has done and would highly recommend him.
- 5 out of 5 starsReviewed on 8/19/2025
Dr. Hamaty is very kind and patient. He explains the results of the blood test and provides guidance on my treatment. I would highly recommend him.
- 5 out of 5 starsReviewed on 8/19/2025
Dr. Hammaty has done the best treatments for my Diabetes since I was diagnosed approximately 25 years ago!! THANKS!
- 5 out of 5 starsReviewed on 8/4/2025
Doctor was so nice, and very knowledgeable. An overall great experience. Thanks!
- 5 out of 5 starsReviewed on 7/28/2025
Dr. Hamaty is very thorough and polite, and he genuinely seems to have his patients' best interests in mind when conducting his practice. Thank you.
- 5 out of 5 starsReviewed on 7/28/2025
Dr Hamaty is booked for 9-10 months. I need to rely on a cancelation.
- 5 out of 5 starsReviewed on 7/22/2025
Dr. Hamaty Is very Thorough reviewing my care plan. He is open to my questions and responds thoughtfully.
- 5 out of 5 starsReviewed on 7/22/2025
Dr Hamaty spent the whole hour of my appointment talking with me. He addressed my concerns and more.
- 5 out of 5 starsReviewed on 6/16/2025
The doctor was very knowledge and helpful
- 5 out of 5 starsReviewed on 6/16/2025
Dr. Hamaty is a wonderful physician. He cares about his patients and always includes me in decisions about my care.
- 5 out of 5 starsReviewed on 6/16/2025
Dr. Hamaty is excellent. Extremely knowledgeable and skilled. He is also so very kind and compassionate
- 5 out of 5 starsReviewed on 6/16/2025
Dr. Hamaty was excellent!
- 5 out of 5 starsReviewed on 5/22/2025
Takes too long to see provider
- 5 out of 5 starsReviewed on 5/22/2025
Dr Hamaty was thorough and allowed discussion of issues
- 5 out of 5 starsReviewed on 5/22/2025
Dr Hamaty is an exceptional doctor. He cares about my opinions on our treatment decisions. He's respectful and empathetic towards my suggestions. But he always guides me wisely thru my choices and potential consequences. I gravitate towards doctors like this!
- 5 out of 5 starsReviewed on 4/28/2025
Dr. Hamate and his entire staff are excellent in every aspect of care.
- 5 out of 5 starsReviewed on 4/28/2025
Dr. Hamaty is personable and excellent in all aspects of care