Wanhua Yang, M.D. PH.D.
NPI 1922360627ActiveIndividual· Pathology, Anatomic Pathology & Clinical Pathology· Santa Rosa, CA
Pathology, Anatomic Pathology & Clinical Pathology (M.D. PH.D.) with Marin Medical Laboratories, practicing in Santa Rosa, California. Medicare paid $222,187 for services to 1,867 patients in 2024. Astrazeneca Pharmaceuticals LP was the largest of 6 companies reporting payments in 2025, $200.60 in all, mostly food and beverage. Lists Petaluma Valley Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1922360627 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. PH.D. |
| Sole proprietor | No |
| NPI issued | Jun 9, 2012 |
| Last updated in NPPES | Jul 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pathology, Anatomic Pathology & Clinical Pathology Primary | 207ZP0102X | A137016 | CA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Pathology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,867 |
|---|---|
| Services billed | 7,872 across 30 procedure codes |
| Paid by Medicare | $222,187 |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Pathology |
Medical group
- Marin Medical LaboratoriesGreenbrae, CA · 8 clinicians
Hospital affiliations
- Petaluma Valley HospitalPetaluma, CA
- Providence Redwood Memorial HospitalFortuna, CA
- Providence Santa Rosa Memorial HospitalSanta Rosa, CA
- Providence St Joseph HospitalEureka, CA
- Sutter Santa Rosa Regional HospitalSanta Rosa, CA
Industry payments (Open Payments)
- 2025$200.60 · 9 payments from 6 companies
- 2024$131.92 · 5 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $48.56 | 2 |
| Gilead Sciences, Inc. | $46.68 | 2 |
| Daiichi Sankyo Inc. | $33.28 | 2 |
| Tempus Ai, Inc | $29.23 | 1 |
| Beckman Coulter, Inc. | $21.45 | 1 |
What the 2025 payments were for
- Food and Beverage$200.60 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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