Warda Zaman, D.O.
NPI 1336534585ActiveIndividual· Internal Medicine, Nephrology· Greenbrae, CA
Internal Medicine, Nephrology (D.O.) in Greenbrae, California, trained at New York College of Osteo Medicine of New York Institute of Technology (class of 2015). In 2024 Medicare paid $147,888 for 430 patients, and Part D covered 706 of their prescriptions, 84% of them generic. Amgen Inc. was the largest of 4 companies reporting payments in 2025, $359.67 in all, mostly food and beverage.
Overview
| NPI | 1336534585 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Apr 4, 2015 |
| Last updated in NPPES | May 15, 2024 |
| Certified by provider | May 15, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 20A16455 | 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 | 430 |
|---|---|
| Services billed | 1,786 across 24 procedure codes |
| Paid by Medicare | $147,888 |
Part D prescriptions in 2024
| Prescriptions (claims) | 706 · 1,735 30-day fills |
|---|---|
| Patients | 213 |
| Total drug cost | $136,733 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | New York College of Osteo Medicine of New York Institute of Technology |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Regents Univ of California UCSFSan Francisco, CA · 283 clinicians
- East Bay Nephrology Medical Group IncSan Pablo, CA · 31 clinicians
Hospital affiliations
- Alta Bates Summit Medical Center - Alta Bates CampBerkeley, CA
- Marinhealth Medical CenterGreenbrae, CA
- Novato Community HospitalNovato, CA
- Sonoma Valley HospitalSonoma, CA
- UCSF Medical CenterSan Francisco, CA
Other facilities
- Davita San Rafael DialysisDialysis facility · San Rafael, CA
- Shc LarkspurDialysis facility · Greenbrae, CA
Industry payments (Open Payments)
- 2025$359.67 · 6 payments from 4 companies
- 2024$132.42 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $163.10 | 2 |
| Baxter Healthcare | $116.67 | 1 |
| Bayer Healthcare Pharmaceuticals Inc. | $46.49 | 2 |
| Travere Therapeutics, Inc. | $33.41 | 1 |
What the 2025 payments were for
- Food and Beverage$359.67 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other nephrologists in Greenbrae
- 1558560482
- 1538489109