Muhammad Allahyar Janjua, M.D.
NPI 1124159678ActiveIndividual· Internal Medicine, Hematology & Oncology· Tulsa, OK
Internal Medicine, Hematology & Oncology (M.D.) with Warren Clinic Inc and 2 other groups, practicing in Tulsa, Oklahoma. Their prescriptions cost Medicare Part D more than their services did: $4,686,023 for 2,375 claims, against $121,381 paid for services in 2024. Medtronic, Inc. was the largest of 16 companies reporting payments in 2025, $1,102 in all, mostly food and beverage. Lists Cherokee Nation W W Hastings Indian Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1124159678 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 8, 2007 |
| Last updated in NPPES | Oct 8, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 28359 | OK |
| Internal Medicine | 207R00000X | 28659 | 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 - Hematology/Oncology (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 594 |
|---|---|
| Services billed | 2,608 across 10 procedure codes |
| Paid by Medicare | $121,381 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,375 · 3,469 30-day fills |
|---|---|
| Patients | 366 |
| Total drug cost | $4,686,023 |
| Generic share | 78% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Warren Clinic IncTulsa, OK · 883 clinicians
- Saint Francis Hospital, Inc.Tulsa, OK · 61 clinicians
- Saint Francis Hospital Muskogee IncMuskogee, OK · 12 clinicians
Hospital affiliations
- Cherokee Nation W W Hastings Indian HospitalTahlequah, OK
- Saint Francis Hospital MuskogeeMuskogee, OK
- Saint Francis Hospital South, LLCTulsa, OK
- Saint Francis Hospital Vinita, IncVinita, OK
- Saint Francis Hospital, IncTulsa, OK
Industry payments (Open Payments)
- 2025$1,102 · 51 payments from 16 companies
- 2024$1,033 · 43 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $264.44 | 2 |
| Celgene Corporation | $175.79 | 15 |
| Abbvie Inc. | $140.56 | 7 |
| Novartis Pharmaceuticals Corporation | $116.17 | 7 |
| Abiomed | $106.15 | 4 |
What the 2025 payments were for
- Food and Beverage$1,054 · 48 payments
- Education$48.39 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 47 hematologist-oncologists in Tulsa · All hematologist-oncologists in Oklahoma