Halim Ozgur Muslu, MD
NPI 1639177710ActiveIndividual· Internal Medicine, Gastroenterology· Griffin, GA
Internal Medicine, Gastroenterology (MD) with Riverbend Medical Group Inc, practicing in Griffin, Georgia. Their prescriptions cost Medicare Part D more than their services did: $235,704 for 332 claims, against $83,048 paid for services in 2024. Genzyme Corporation was the largest of 7 companies reporting payments in 2025, $904.81 in all, mostly food and beverage. Lists Mercy Medical Ctr as a hospital affiliation.
Overview
| NPI | 1639177710 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 12, 2005 |
| Last updated in NPPES | Oct 19, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 066721 | GA |
| Internal Medicine | 207R00000X | 35-089406 | OH |
| Internal Medicine, Gastroenterology | 207RG0100X | 35-089406 | OH |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (GA); Practitioner - Gastroenterology (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 441 |
|---|---|
| Services billed | 655 across 34 procedure codes |
| Paid by Medicare | $83,048 |
Part D prescriptions in 2024
| Prescriptions (claims) | 332 · 571 30-day fills |
|---|---|
| Patients | 118 |
| Total drug cost | $235,704 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 1996 |
|---|---|
| Medicare specialty | Gastroenterology |
Medical group
- Riverbend Medical Group IncAgawam, MA · 226 clinicians
Hospital affiliation
- Mercy Medical CtrSpringfield, MA
Industry payments (Open Payments)
- 2025$904.81 · 26 payments from 7 companies
- 2024$339.43 · 12 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $203.65 | 8 |
| Janssen Biotech, Inc. | $193.34 | 5 |
| Abbvie Inc. | $155.69 | 8 |
| Takeda Pharmaceuticals U.S.A., Inc. | $128.83 | 2 |
| Boston Scientific Corporation | $105.21 | 1 |
What the 2025 payments were for
- Food and Beverage$895.16 · 25 payments
- Education$9.65 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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