Waseem Ahmad, MD
NPI 1366520108ActiveIndividual· Internal Medicine, Nephrology· Vallejo, CA
Internal Medicine, Nephrology (MD) with Department of State Hospitals, practicing in Vallejo, California. Their prescriptions cost Medicare Part D more than their services did: $92,664 for 972 claims, against $10,747 paid for services in 2024. Teva Pharmaceuticals USA, Inc. reported $95.85 in payments in 2025, mostly food and beverage. Lists Providence Queen of the Valley Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1366520108 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 1, 2006 |
| Last updated in NPPES | Dec 13, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | A73846 | CA |
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 - Nephrology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 31 |
|---|---|
| Services billed | 203 across 16 procedure codes |
| Paid by Medicare | $10,747 |
Part D prescriptions in 2024
| Prescriptions (claims) | 972 · 2,759 30-day fills |
|---|---|
| Patients | 232 |
| Total drug cost | $92,664 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 1988 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Medical group
- Department of State HospitalsNapa, CA · 270 clinicians
Hospital affiliations
- Providence Queen of the Valley Medical CenterNapa, CA
- UCSF Medical CenterSan Francisco, CA
Industry payments (Open Payments)
- 2025$95.85 · 4 payments from 1 company
- 2024$308.92 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Teva Pharmaceuticals USA, Inc. | $95.85 | 4 |
What the 2025 payments were for
- Food and Beverage$95.85 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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