James P. Grenert, MD
NPI 1174572390ActiveIndividual· Pathology, Anatomic Pathology· San Francisco, CA
Pathology, Anatomic Pathology (MD) in San Francisco, California, trained at Mayo Medical School (class of 2000). Medicare paid $10,381 for services to 244 patients in 2024.
Overview
| NPI | 1174572390 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 6, 2006 |
| Last updated in NPPES | Dec 9, 2025 |
| Certified by provider | Dec 9, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pathology, Anatomic Pathology Primary | 207ZP0101X | A78348 | CA |
| Pathology, Anatomic Pathology & Clinical Pathology | 207ZP0102X | A78348 | 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 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 244 |
|---|---|
| Services billed | 253 across 3 procedure codes |
| Paid by Medicare | $10,381 |
Education and affiliations
| Medical school | Mayo Medical School |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Pathology |
Medical groups
- University of California San FranciscoSan Francisco, CA · 1,839 clinicians
- University of California Sfgh Medical GroupSan Francisco, CA · 587 clinicians
Hospital affiliations
- UCSF Medical CenterSan Francisco, CA
- Zuckerberg San Francisco General Hosp & Trauma CtrSan Francisco, CA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Pathology, Anatomic Pathology providers in San Francisco
- 1881652964
- 1720166366
- 1184086142
- 1104079524
- 1275860918
- 1770900680
- 1376998476
- 1902984552
- 1639113533
- 1558697946
- 1285298489
- 1336243419