Zubair Ahmad, M.D.
NPI 1962427112ActiveIndividual· Internal Medicine, Nephrology· Tulsa, OK
Internal Medicine, Nephrology (M.D.) with Nephrology Associates, Inc., practicing in Tulsa, Oklahoma. In 2024 Medicare paid $163,218 for 650 patients, and Part D covered 1,341 of their prescriptions, 81% of them generic. Alexion Pharmaceuticals, Inc. was the largest of 17 companies reporting payments in 2025, $1,101 in all, mostly food and beverage. Lists Ascension St John Jane Phillips and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1962427112 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 12, 2006 |
| Last updated in NPPES | Nov 25, 2024 |
| Certified by provider | Nov 25, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 28235 | 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 - Nephrology (OK); Practitioner - Nephrology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 650 |
|---|---|
| Services billed | 1,689 across 14 procedure codes |
| Paid by Medicare | $163,218 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,341 · 2,195 30-day fills |
|---|---|
| Patients | 236 |
| Total drug cost | $198,464 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 1999 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Medical group
- Nephrology Associates, Inc.Tulsa, OK · 25 clinicians
Hospital affiliations
- Ascension St John Jane PhillipsBartlesville, OK
- Ascension St John Medical CenterTulsa, OK
- Lawton Indian HospitalLawton, OK
- Saint Francis Hospital MuskogeeMuskogee, OK
- Saint Francis Hospital, IncTulsa, OK
Other facilities
- Davita McIntosh County DialysisDialysis facility · Eufaula, OK
- Davita Sapulpa DialysisDialysis facility · Tulsa, OK
- Fkc - Beverly Mathis Memorial DialysisDialysis facility · Tulsa, OK
- Fmcna - Sapulpa DialysisDialysis facility · Sapulpa, OK
Industry payments (Open Payments)
- 2025$1,101 · 42 payments from 17 companies
- 2024$1,100 · 58 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alexion Pharmaceuticals, Inc. | $196.92 | 2 |
| Travere Therapeutics, Inc. | $127.92 | 5 |
| Calliditas Therapeutics US Inc. | $120.20 | 5 |
| Novartis Pharmaceuticals Corporation | $112.38 | 5 |
| Ardelyx, Inc. | $104.36 | 5 |
What the 2025 payments were for
- Food and Beverage$909.33 · 40 payments
- Consulting Fee$175.00 · 1 payment
- Education$16.89 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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