Marc Richard Happe, D.O.
NPI 1164580874ActiveIndividual· Internal Medicine, Gastroenterology· Uniontown, PA
Internal Medicine, Gastroenterology (D.O.) in Uniontown, Pennsylvania, trained at Lake Erie College of Osteopathic Medicine, Erie (class of 1998). 274 Medicare patients in 2024, $55,170 paid; nearly all of their 955 Part D prescriptions were generic (93%). Janssen Biotech, Inc. was the largest of 6 companies reporting payments in 2025, $590.66 in all, mostly food and beverage.
Overview
| NPI | 1164580874 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | Yes |
| NPI issued | Dec 5, 2006 |
| Last updated in NPPES | Aug 5, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | OS014664 | PA |
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 - Gastroenterology (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 274 |
|---|---|
| Services billed | 760 across 25 procedure codes |
| Paid by Medicare | $55,170 |
Part D prescriptions in 2024
| Prescriptions (claims) | 955 · 1,493 30-day fills |
|---|---|
| Patients | 538 |
| Total drug cost | $58,292 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | Lake Erie College of Osteopathic Medicine, Erie |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Gastroenterology |
Medical group
- Regional Gastroenterology Associates of Lancaster, Ltd.Lancaster, PA · 244 clinicians
Hospital affiliations
- Uniontown HospitalUniontown, PA
- West Virginia University Hospitals, IncMorgantown, WV
Industry payments (Open Payments)
- 2025$590.66 · 32 payments from 6 companies
- 2024$940.57 · 50 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $345.13 | 22 |
| Madrigal Pharmaceuticals | $76.50 | 2 |
| Takeda Pharmaceuticals U.S.A., Inc. | $64.15 | 3 |
| Abbvie Inc. | $60.78 | 3 |
| Medtronic, Inc. | $23.47 | 1 |
What the 2025 payments were for
- Food and Beverage$590.66 · 32 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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