Amanda Irene Diffin, PA-C
NPI 1710547385ActiveIndividual· Physician Assistant· Leominster, MA
Physician Assistant (PA-C) with Pend Oreille County Public Hospital District No 1 and 1 other group, practicing in Leominster, Massachusetts. 17 Medicare patients in 2024, $2,317 paid; nearly all of their 85 Part D prescriptions were generic (93%). Abbvie Inc. was the largest of 15 companies reporting payments in 2025, $520.41 in all, mostly food and beverage. Lists Umass Memorial Healthalliance Hospitals as a hospital affiliation.
Overview
| NPI | 1710547385 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Jun 17, 2019 |
| Last updated in NPPES | Jun 27, 2024 |
| Certified by provider | Feb 8, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA7139 | MA |
| Physician Assistant | 363A00000X | — | — |
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 (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 17 |
|---|---|
| Services billed | 33 across 12 procedure codes |
| Paid by Medicare | $2,317 |
Part D prescriptions in 2024
| Prescriptions (claims) | 85 · 138 30-day fills |
|---|---|
| Patients | 39 |
| Total drug cost | $2,909 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical groups
- Pend Oreille County Public Hospital District No 1Newport, WA · 31 clinicians
- Family Medical and Maternity Care PCLeominster, MA · 14 clinicians
Hospital affiliation
- Umass Memorial Healthalliance HospitalsLeominster, MA
Industry payments (Open Payments)
- 2025$520.41 · 24 payments from 15 companies
- 2024$312.15 · 16 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $110.96 | 6 |
| Lilly USA, LLC | $58.29 | 3 |
| Novo Nordisk Inc | $40.27 | 2 |
| Exact Sciences Corporation | $38.23 | 2 |
| Madrigal Pharmaceuticals | $38.15 | 1 |
What the 2025 payments were for
- Food and Beverage$520.41 · 24 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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