Bailey Mena, PA-C
NPI 1598455636ActiveIndividual· Physician Assistant· San Luis Obispo, CA
Physician Assistant (PA-C) with David B. Hammer and 1 other group, practicing in San Luis Obispo, California. 595 Medicare patients in 2024, $83,956 paid; all of their 86 Part D prescriptions were generic. Endo USA, Inc. was the largest of 2 companies reporting payments in 2025, $90.73 in all, mostly food and beverage. Lists Adventist Health Sierra Vista and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1598455636 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | Yes |
| NPI issued | May 11, 2023 |
| Last updated in NPPES | May 11, 2023 |
| Certified by provider | May 11, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA62528 | 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 | 595 |
|---|---|
| Services billed | 2,180 across 31 procedure codes |
| Paid by Medicare | $83,956 |
Part D prescriptions in 2024
| Prescriptions (claims) | 86 · 86 30-day fills |
|---|---|
| Patients | 50 |
| Total drug cost | $414.72 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical groups
- David B. HammerTempleton, CA · 123 clinicians
- Central Coast Orthopedic Medical GroupSanta Maria, CA · 20 clinicians
Hospital affiliations
- Adventist Health Sierra VistaSan Luis Obispo, CA
- Adventist Health Twin CitiesTempleton, CA
- French Hospital Medical CenterSan Luis Obispo, CA
- Marian Regional Medical CenterSanta Maria, CA
Industry payments (Open Payments)
- 2025$90.73 · 5 payments from 2 companies
- 2024$25.06 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Endo USA, Inc. | $70.58 | 4 |
| Vertex Pharmaceuticals Incorporated | $20.15 | 1 |
What the 2025 payments were for
- Food and Beverage$90.73 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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