Muhammad Monem Gillan, MD
NPI 1114918869ActiveIndividual· Internal Medicine, Rheumatology· Oklahoma City, OK
Internal Medicine, Rheumatology (MD) with Transitional Care Organization LLC and 1 other group, practicing in Oklahoma City, Oklahoma. 393 Medicare patients in 2024, $960,335 paid; nearly all of their 1,736 Part D prescriptions were generic (94%). Astrazeneca Pharmaceuticals LP was the largest of 14 companies reporting payments in 2025, $2,675 in all, mostly food and beverage. Lists Ssm Health St Anthony Hospital - Midwest and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1114918869 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 2, 2005 |
| Last updated in NPPES | Aug 4, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | 21301 | 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 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 - Internal Medicine (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 393 |
|---|---|
| Services billed | 55,795 across 45 procedure codes |
| Paid by Medicare | $960,335 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,736 · 2,570 30-day fills |
|---|---|
| Patients | 186 |
| Total drug cost | $751,042 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 1988 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Rheumatology |
Medical groups
- Transitional Care Organization LLCOklahoma City, OK · 11 clinicians
- Christine E Codding MD PCOklahoma City, OK · 2 clinicians
Hospital affiliations
- Ssm Health St Anthony Hospital - MidwestMidwest City, OK
- Ssm Health St Anthony Hospital - Oklahoma CityOklahoma City, OK
- Ssm Health St Anthony Hospital - ShawneeShawnee, OK
Industry payments (Open Payments)
- 2025$2,675 · 132 payments from 14 companies
- 2024$2,547 · 132 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $497.52 | 25 |
| Abbvie Inc. | $449.12 | 26 |
| Ucb, Inc. | $327.27 | 12 |
| Amgen Inc. | $269.56 | 17 |
| Novartis Pharmaceuticals Corporation | $243.42 | 10 |
What the 2025 payments were for
- Food and Beverage$2,568 · 130 payments
- Education$107.34 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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