Melissa Jamison, PA-C
NPI 1164680039ActiveIndividual· Physician Assistant· Uniontown, PA
Physician Assistant (PA-C) with Regional Gastroenterology Associates of Lancaster, Ltd., practicing in Uniontown, Pennsylvania. Their prescriptions cost Medicare Part D more than their services did: $835,957 for 2,555 claims, against $15,781 paid for services in 2024. Madrigal Pharmaceuticals was the largest of 11 companies reporting payments in 2025, $1,066 in all, mostly food and beverage. Lists Excela Health Westmoreland Regional Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1164680039 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | May 28, 2008 |
| Last updated in NPPES | Dec 28, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | MA-051156 | PA |
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 (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 166 |
|---|---|
| Services billed | 236 across 11 procedure codes |
| Paid by Medicare | $15,781 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,555 · 3,919 30-day fills |
|---|---|
| Patients | 454 |
| Total drug cost | $835,957 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Regional Gastroenterology Associates of Lancaster, Ltd.Lancaster, PA · 244 clinicians
Hospital affiliations
- Excela Health Westmoreland Regional HospitalGreensburg, PA
- Uniontown HospitalUniontown, PA
Industry payments (Open Payments)
- 2025$1,066 · 56 payments from 11 companies
- 2024$1,109 · 71 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $372.64 | 24 |
| Abbvie Inc. | $254.63 | 13 |
| Takeda Pharmaceuticals U.S.A., Inc. | $124.90 | 5 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $56.40 | 2 |
| Janssen Biotech, Inc. | $55.70 | 3 |
What the 2025 payments were for
- Food and Beverage$1,066 · 56 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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