Department Endocrinology, Diabetes and Metabolism
Primary Location Cleveland Clinic Main Campus
Type of Doctor Adults Only
Languages English
Surgeon No
Cleveland Clinic Main Campus
Primary Location

Cleveland Clinic Main Campus


Additional Locations

Specialties & Treatments

Treatment & Services

  • Blood Tests
  • Bone Density Testing
  • Diabetes Center
View all 3 Treatment & Services +

Specialty in Diseases & Conditions

  • Acromegaly
  • Addison's Disease
  • Adrenal disorders
  • Adrenal Tumors
  • Androgen Deficiency (Low Testosterone)
  • Androgen Excess
  • Beta-cell disorders
  • Bone Disorders
  • Calcium Disorders
  • Carcinoid Syndrome
  • Conn's Syndrome
  • Cushing's Syndrome
  • Diabetes
  • Diabetes, Gestational
  • Endocrine Disorders
  • Familial Multiple Endocrine Neoplasia
  • Galactorrhea
  • Goiter
  • Growth hormone excess
  • Gynecomastia
  • High Cholesterol
  • Hirsutism
  • Hyperaldosteronism
  • Hyperandrogenism
  • Hypercalcemia
  • Hyperparathyroidism
  • Hyperprolactinemia
  • Hyperthyroidism
  • Hypertriglyceridemia
  • Hypocalcemia
  • Hypogonadism
  • Hypoparathyroidism
  • Hypopituitarism
  • Hypothyroidism
  • Kidney Stones: Oxalate-Controlled Diet
  • Klinefelter Syndrome
  • Menopause
  • Menopause, Male
  • Metabolic Syndrome
  • Obesity
  • Osteopenia
  • Osteoporosis
  • Panhypopituitarism
  • Parathyroid Cancer
  • Parathyroid Disease Description
  • Pheochromocytoma
  • Pituitary Disorders
  • Pituitary stalk lesions
  • Pituitary Tumors
  • Polycystic Ovary Syndrome
  • Primary Hyperaldosteronism
  • Prolactin Excess States
  • Prolactinoma
  • Pseudohypoparathyroidism
  • Reactive hypoglycemia
  • Secondary Hyperparathyroidism
  • Tertiary hyperparathyroidism
  • Thyroid and pregnancy
  • Thyroid Cancer
  • Thyroid Disease
  • Thyroid Nodule
View all 61 Specialties +


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Education & Professional Highlights

Education & Professional Highlights


Education & Fellowships

Graduate School - University of St. Thomas
St. Paul, MN USA

Fellowship - Wayne State University-Detroit Medical Center
Detroit, MI USA

Residency - Wayne State University-Detroit Medical Center
Internal Medicine
Detroit, MI USA

Medical Education - Aleppo University Faculty of Medicine


  • Internal Medicine - Endocrinology, Diabetes and Metabolism

Specialty Interests

Diabetes, pre-diabetes, polycystic ovary disease, thyroid disorders, osteoporosis, parathyroid disorders, adrenal disorders, pituitary disorders, male hypogonadism

Research & Publications

Research & Publications

See publications for Marwan Hamaty, 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 12/3/2018, Dr. Hamaty 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. Hamaty receives fees of $5,000 or more per year as a paid consultant, speaker or member of an advisory committee for the following companies:

  • Boehringer Ingelheim

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

102 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
4.8 out of 5
Explains 4.8
Listens 4.8
Courtesy, Respect & Concern 4.8
Knows Medical History 4.8
Time Spent with Patient 4.8
Patient Rating of Doctor 4.8

19 Patient Comments

Reviewed on Aug 2, 2019

my provider always listens to my concerns. I always have option to therapies. My care is well monitored and reviewed at each visit.

Reviewed on Jul 18, 2019

Dr. Hamaty shows compassion and listens. His office has been wonderful scheduling directly with me.

Reviewed on May 21, 2019

Dr. Hamaty is very through, I appreciate the time he provides for a through discussion on my care.

Reviewed on Apr 30, 2019

Dr. Hamaty is the perfect doctor for me. He is caring and truly listens to my concerns! He responds in a timely fashion to my chart! For someone who is a type A personality this is extremely important.

Reviewed on Apr 30, 2019


Reviewed on Apr 29, 2019

Could not be happier with the care I received from Dr. Hamaty. He was very thorough, knowledgeable, and empathetic. He explained everything about my condition(s) and treatments and showed a great deal of care.

Reviewed on Apr 11, 2019

Dr. Hamaty has been one of the only doctors who has been able to control my thyroid issues.

Reviewed on Apr 2, 2019

The doctor was apologetic for being late. I felt was not helpful with explaining information about glucose meter and test strips not covered under my insurance Medicare Medicaid.

Reviewed on Apr 2, 2019

After triage she directed me to the medical room and stated the doctor would be with me shortly and never seen her after that intitial contact.

Reviewed on Apr 2, 2019

To make the patient feel important more coordination between staff members to let the patient know if the doctor is behind schedule would be great!

Reviewed on Mar 28, 2019

Dr. Hamaty is an outstanding physician, I would recommend him to anyone needing a endocrinologist.

Reviewed on Mar 4, 2019

dr. hamaty does an amazing job of looking at the whole Medical picture even outside of endocrinology

Reviewed on Jan 28, 2019

initially concerned because the doctor didn't seem to understand the situation from my view point. However, he followed up and provided the care I needed and was hoping to receive. He was professional all the way through despite my initial concerns.

Reviewed on Jan 28, 2019

Commination between doctors was incredible and resulted in a great continuum of care.

Reviewed on Jan 8, 2019

Dr. Hamaty was excellent. He listened and spent more time with us than any other doctor I have ever seen. My wife is an RN at a hospital and said she had never seen someone that cared for the patient as much as Dr. Hamaty. He listened to every concern we had and made sure we understood anything he told us.

Reviewed on Dec 11, 2018

I had a 7:45 appointment and did not see the nurse until 8:15 which seems long since I had the first appointment of the day. I like working with Dr. Hamaty very much.

Reviewed on Oct 23, 2018

waited for over an hour but DR is very busy.. worth waiting for Dr. very profess able an educated Dr.

Reviewed on Oct 23, 2018

Here's where Dr. Hamaty shines--he's exceptionally good in letting me help with a risk/benefit discussion when choosing higher doses or a different medication. It's a privilege to work with him on by needs.

Reviewed on Sep 17, 2018

Dr. Hamaty is very thorough and asks detailed questions to make sure that I understood what was said and to feel comfortable in asking him questions regarding my health.

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