John C. Michalak, P.A.-C.
NPI 1922057934ActiveIndividual· Physician Assistant, Medical· San Luis Obispo, CA
Physician Assistant, Medical (P.A.-C.) with Cottage Clinical Network LLC, practicing in San Luis Obispo, California. 187 Medicare patients in 2024, $17,649 paid; nearly all of their 621 Part D prescriptions were generic (93%).
Overview
| NPI | 1922057934 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | P.A.-C. |
| Sole proprietor | No |
| NPI issued | May 8, 2006 |
| Last updated in NPPES | Oct 20, 2026 |
| Certified by provider | Oct 20, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | PA16603 | CA |
| Physician Assistant, Surgical | 363AS0400X | PA16603 | 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 - Physician Assistant (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 187 |
|---|---|
| Services billed | 407 across 43 procedure codes |
| Paid by Medicare | $17,649 |
Part D prescriptions in 2024
| Prescriptions (claims) | 621 · 641 30-day fills |
|---|---|
| Patients | 477 |
| Total drug cost | $8,296 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Cottage Clinical Network LLCSanta Maria, CA · 56 clinicians
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Physician Assistant, Medical providers in San Luis Obispo
- 1508064593
- 1023848165
- 1467596676
- 1235613191
- 1619918570
- 1972901809
- 1568283687
- 1306975743
- 1194343731
- 1164313789
- 1770938532
- 1134330756