Michael Kazak, MD
NPI 1285732636ActiveIndividual· Internal Medicine, Geriatric Medicine· Santa Maria, CA
Internal Medicine, Geriatric Medicine (MD) in Santa Maria, California, licensed in CA, with an NPI issued in September 2006. Their prescriptions cost Medicare Part D more than their services did: $849,991 for 16,833 claims, against $184,886 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 2 companies reporting payments in 2025, $103.48 in all, mostly food and beverage. Lists Marian Regional Medical Center as a hospital affiliation.
Overview
| NPI | 1285732636 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 20, 2006 |
| Last updated in NPPES | Nov 24, 2023 |
| Certified by provider | Nov 24, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Geriatric Medicine Primary | 207RG0300X | A43888 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 474 |
|---|---|
| Services billed | 3,006 across 26 procedure codes |
| Paid by Medicare | $184,886 |
Part D prescriptions in 2024
| Prescriptions (claims) | 16,833 · 34,260 30-day fills |
|---|---|
| Patients | 835 |
| Total drug cost | $849,991 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 1986 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Geriatric Medicine |
Hospital affiliation
- Marian Regional Medical CenterSanta Maria, CA
Other facilities
- Central Coast Home Health IncHome health agency · San Luis Obispo, CA
- Dignity Health Home HealthHome health agency · Santa Maria, CA
- Superior Home HealthHome health agency · Lompoc, CA
Industry payments (Open Payments)
- 2025$103.48 · 5 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $74.44 | 3 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $29.04 | 2 |
What the 2025 payments were for
- Food and Beverage$103.48 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other geriatricians in Santa Maria
- 1528249232