Mazen Al-Hamwy, M.D.
NPI 1316021165ActiveIndividual· Internal Medicine, Cardiovascular Disease· Muskogee, OK
Internal Medicine, Cardiovascular Disease (M.D.) in Muskogee, Oklahoma, licensed in OK, with an NPI issued in October 2006. Their prescriptions cost Medicare Part D more than their services did: $2,056,849 for 11,332 claims, against $291,253 paid for services in 2024. Lists Cherokee Nation W W Hastings Indian Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1316021165 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 25, 2006 |
| Last updated in NPPES | Jul 16, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 23969 | OK |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Cardiovascular Disease (Cardiology) (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 587 |
|---|---|
| Services billed | 5,212 across 60 procedure codes |
| Paid by Medicare | $291,253 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11,332 · 26,621 30-day fills |
|---|---|
| Patients | 782 |
| Total drug cost | $2,056,849 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 1995 |
|---|---|
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Internal Medicine |
Hospital affiliations
- Cherokee Nation W W Hastings Indian HospitalTahlequah, OK
- Haskell Regional Hospital, IncStigler, OK
- Northeastern Health SystemTahlequah, OK
- Saint Francis Hospital MuskogeeMuskogee, OK
- Wagoner Community HospitalWagoner, OK
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Cardiovascular Disease providers in Muskogee
- 1841441151
- 1215404108
- 1184034134
- 1811927833
- 1114026366
- 1013091966
- 1750465506
- 1114164571
- 1164477287
- 1952379588
All Internal Medicine, Cardiovascular Disease providers in Oklahoma →