Mariam Hanna Ervin, PA-C
NPI 1134620768ActiveIndividual· Physician Assistant· San Bernardino, CA
Physician Assistant (PA-C) in San Bernardino, California, licensed in CA, with an NPI issued in February 2018. Their prescriptions cost Medicare Part D more than their services did: $11,958 for 114 claims, against $2,823 paid for services in 2024. Astellas Pharma US Inc was the largest of 6 companies reporting payments in 2025, $178.23 in all, mostly food and beverage.
Overview
| NPI | 1134620768 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Feb 28, 2018 |
| Last updated in NPPES | Aug 6, 2026 |
| Certified by provider | Aug 6, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 55370 | 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 - Physician Assistant (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 36 |
|---|---|
| Services billed | 61 across 7 procedure codes |
| Paid by Medicare | $2,823 |
Part D prescriptions in 2024
| Prescriptions (claims) | 114 · 260 30-day fills |
|---|---|
| Patients | 49 |
| Total drug cost | $11,958 |
| Generic share | 87% of claims |
Industry payments (Open Payments)
- 2025$178.23 · 7 payments from 6 companies
- 2024$235.21 · 14 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astellas Pharma US Inc | $57.91 | 2 |
| Sage Therapeutics, LLC | $31.92 | 1 |
| Abbvie Inc. | $28.18 | 1 |
| Shield Therapeutics Inc | $23.43 | 1 |
| Bayer Healthcare Pharmaceuticals Inc. | $18.52 | 1 |
What the 2025 payments were for
- Food and Beverage$178.23 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 86 physician assistants in San Bernardino · All physician assistants in California