Hamid Reza Sima, M.D.
NPI 1619231073ActiveIndividual· Internal Medicine, Hepatology· Oklahoma City, OK
Internal Medicine, Hepatology (M.D.) with Zuhdi Transplant Physicians, practicing in Oklahoma City, Oklahoma. Their prescriptions cost Medicare Part D more than their services did: $1,334,699 for 1,687 claims, against $54,284 paid for services in 2024. Gilead Sciences, Inc. was the largest of 7 companies reporting payments in 2025, $436.90 in all, mostly food and beverage. Lists Chickasaw Nation Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1619231073 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 30, 2012 |
| Last updated in NPPES | Jun 26, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hepatology Primary | 207RI0008X | 34836 | OK |
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 - Gastroenterology (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 310 |
|---|---|
| Services billed | 664 across 30 procedure codes |
| Paid by Medicare | $54,284 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,687 · 2,735 30-day fills |
|---|---|
| Patients | 216 |
| Total drug cost | $1,334,699 |
| Generic share | 79% of claims |
Education and affiliations
| Graduation year | 1993 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Zuhdi Transplant PhysiciansOklahoma City, OK · 49 clinicians
Hospital affiliations
- Chickasaw Nation Medical CenterAda, OK
- Integris Baptist Medical Center, IncOklahoma City, OK
- Integris Health Enid HospitalEnid, OK
- Saint Francis Hospital South, LLCTulsa, OK
- Saint Francis Hospital, IncTulsa, OK
Industry payments (Open Payments)
- 2025$436.90 · 23 payments from 7 companies
- 2024$455.09 · 26 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $169.52 | 10 |
| Ipsen Biopharmaceuticals, Inc | $89.55 | 5 |
| Madrigal Pharmaceuticals | $64.40 | 2 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $46.54 | 3 |
| Takeda Pharmaceuticals U.S.A., Inc. | $31.31 | 1 |
What the 2025 payments were for
- Food and Beverage$436.90 · 23 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Hepatology providers in Oklahoma City
- 1730310210
- 1386653590