Frederick Joseph Kretzschmar, MD
NPI 1245348861ActiveIndividual· Pathology, Anatomic Pathology & Clinical Pathology· Greenbrae, CA
Pathology, Anatomic Pathology & Clinical Pathology (MD) in Greenbrae, California, trained at Vanderbilt University School of Medicine (class of 1981). Medicare paid $138,231 for services to 1,141 patients in 2024.
Overview
| NPI | 1245348861 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 25, 2006 |
| Last updated in NPPES | Jul 12, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pathology, Anatomic Pathology & Clinical Pathology Primary | 207ZP0102X | G49874 | CA |
| Nuclear Medicine | 207U00000X | G49874 | 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 - Pathology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,141 |
|---|---|
| Services billed | 4,004 across 28 procedure codes |
| Paid by Medicare | $138,231 |
Education and affiliations
| Medical school | Vanderbilt University School of Medicine |
|---|---|
| Graduation year | 1981 |
| Medicare specialty | Pathology |
| Secondary specialties | Nuclear Medicine |
Medical group
- Marin Medical LaboratoriesGreenbrae, CA · 8 clinicians
Hospital affiliations
- Marinhealth Medical CenterGreenbrae, CA
- Novato Community HospitalNovato, CA
- Sonoma Valley HospitalSonoma, CA
- UCSF Medical CenterSan Francisco, CA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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