Weiwen Zheng, M.D.
NPI 1023059201ActiveIndividual· Family Medicine· San Francisco, CA
Family Medicine (M.D.) in San Francisco, California, licensed in CA, with an NPI issued in June 2006. Their prescriptions cost Medicare Part D more than their services did: $2,037,967 for 25,426 claims, against $110,218 paid for services in 2024. Pfizer Inc. was the largest of 2 companies reporting payments in 2025, $239.22 in all, mostly food and beverage. Lists Chinese Hospital as a hospital affiliation.
Overview
| NPI | 1023059201 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 9, 2006 |
| Last updated in NPPES | Oct 15, 2020 |
| Certified by provider | Oct 15, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | A92238 | CA |
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 - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 182 |
|---|---|
| Services billed | 1,750 across 22 procedure codes |
| Paid by Medicare | $110,218 |
Part D prescriptions in 2024
| Prescriptions (claims) | 25,426 · 65,369 30-day fills |
|---|---|
| Patients | 1,545 |
| Total drug cost | $2,037,967 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 1992 |
|---|---|
| Medicare specialty | Family Practice |
Hospital affiliation
- Chinese HospitalSan Francisco, CA
Industry payments (Open Payments)
- 2025$239.22 · 2 payments from 2 companies
- 2024$1,286 · 19 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $121.36 | 1 |
| Glaxosmithkline, LLC. | $117.86 | 1 |
What the 2025 payments were for
- Food and Beverage$239.22 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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