William Doujan Naber, M.D.
NPI 1912093626ActiveIndividual· General Practice· San Francisco, CA
General Practice (M.D.) in San Francisco, California, licensed in CA, with an NPI issued in October 2006. Their prescriptions cost Medicare Part D more than their services did: $28,348 for 612 claims, against $12,321 paid for services in 2024. Novo Nordisk Inc was the largest of 10 companies reporting payments in 2025, $1,301 in all, mostly food and beverage.
Overview
| NPI | 1912093626 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Oct 4, 2006 |
| Last updated in NPPES | Aug 13, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| General Practice Primary | 208D00000X | A41429 | 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 - General Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 25 |
|---|---|
| Services billed | 125 across 9 procedure codes |
| Paid by Medicare | $12,321 |
Part D prescriptions in 2024
| Prescriptions (claims) | 612 · 1,365 30-day fills |
|---|---|
| Patients | 57 |
| Total drug cost | $28,348 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 1976 |
|---|---|
| Medicare specialty | General Practice |
Industry payments (Open Payments)
- 2025$1,301 · 33 payments from 10 companies
- 2024$2,017 · 46 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $330.68 | 5 |
| Lilly USA, LLC | $265.09 | 8 |
| Abbvie Inc. | $264.40 | 5 |
| Novartis Pharmaceuticals Corporation | $131.55 | 4 |
| Pfizer Inc. | $101.50 | 4 |
What the 2025 payments were for
- Food and Beverage$1,301 · 33 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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