Frank Michael Ganzhorn, MD
NPI 1164473807ActiveIndividual· Internal Medicine, Pulmonary Disease· Salinas, CA
Internal Medicine, Pulmonary Disease (MD) in Salinas, California, trained at Medical College of Wisconsin (class of 1982). Their prescriptions cost Medicare Part D more than their services did: $285,837 for 828 claims, against $25,544 paid for services in 2024. Genzyme Corporation was the largest of 7 companies reporting payments in 2025, $326.22 in all, mostly food and beverage.
Overview
| NPI | 1164473807 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 15, 2006 |
| Last updated in NPPES | Jun 6, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | G25330 | 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 - Pulmonary Disease (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 130 |
|---|---|
| Services billed | 330 across 20 procedure codes |
| Paid by Medicare | $25,544 |
Part D prescriptions in 2024
| Prescriptions (claims) | 828 · 1,097 30-day fills |
|---|---|
| Patients | 95 |
| Total drug cost | $285,837 |
| Generic share | 51% of claims |
Education and affiliations
| Medical school | Medical College of Wisconsin |
|---|---|
| Graduation year | 1982 |
| Medicare specialty | Pulmonary Disease |
Medical group
- Svmhs ClinicsSalinas, CA · 259 clinicians
Hospital affiliation
- Salinas Valley Health Medical CenterSalinas, CA
Industry payments (Open Payments)
- 2025$326.22 · 13 payments from 7 companies
- 2024$245.11 · 11 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $76.97 | 3 |
| Astrazeneca Pharmaceuticals LP | $70.83 | 3 |
| Glaxosmithkline, LLC. | $62.61 | 3 |
| Sanofi-Aventis U.S. LLC | $57.48 | 1 |
| Insmed, Inc. | $20.82 | 1 |
What the 2025 payments were for
- Food and Beverage$268.74 · 12 payments
- Education$57.48 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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