Marwan Hamaty, MD
NPI 1124095146ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Cleveland, OH
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) with Cleveland Clinic, practicing in Cleveland, Ohio. Their prescriptions cost Medicare Part D more than their services did: $872,506 for 2,621 claims, against $47,734 paid for services in 2024. Novo Nordisk Inc was the largest of 4 companies reporting payments in 2025, $361.34 in all, mostly food and beverage. Lists Cleveland Clinic and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1124095146 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 8, 2006 |
| Last updated in NPPES | Apr 6, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 41629 | MN |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Endocrinology (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 389 |
|---|---|
| Services billed | 874 across 15 procedure codes |
| Paid by Medicare | $47,734 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,621 · 6,101 30-day fills |
|---|---|
| Patients | 488 |
| Total drug cost | $872,506 |
| Generic share | 57% of claims |
Education and affiliations
| Graduation year | 1987 |
|---|---|
| Medicare specialty | Endocrinology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Cleveland ClinicCleveland, OH · 7,090 clinicians
Hospital affiliations
- Cleveland ClinicCleveland, OH
- Cleveland Clinic Avon HospitalAvon, OH
- Fairview HospitalCleveland, OH
- Medina HospitalMedina, OH
Industry payments (Open Payments)
- 2025$361.34 · 7 payments from 4 companies
- 2024$354.54 · 5 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $152.76 | 2 |
| Ascendis Pharma Endocrinology Inc | $123.01 | 1 |
| Abbott Laboratories | $54.66 | 3 |
| Sequel Med Tech, LLC | $30.91 | 1 |
What the 2025 payments were for
- Food and Beverage$329.07 · 6 payments
- Education$32.27 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 79 endocrinologists in Cleveland · All endocrinologists in Ohio