Mark D. Beyer, D.O.
NPI 1568510519ActiveIndividual· Emergency Medicine· Muncy, PA
Emergency Medicine (D.O.) in Muncy, Pennsylvania, trained at Philadelphia College of Osteopathic Medicine (class of 1988). 154 Medicare patients in 2024, $16,950 paid; nearly all of their 137 Part D prescriptions were generic (99%). Exact Sciences Corporation was the largest of 2 companies reporting payments in 2025, $38.75 in all, mostly food and beverage.
Overview
| NPI | 1568510519 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | Yes |
| NPI issued | Jan 8, 2007 |
| Last updated in NPPES | Dec 5, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | OS-006937-L | 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 - Emergency Medicine (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 154 |
|---|---|
| Services billed | 174 across 12 procedure codes |
| Paid by Medicare | $16,950 |
Part D prescriptions in 2024
| Prescriptions (claims) | 137 · 137 30-day fills |
|---|---|
| Patients | 107 |
| Total drug cost | $733.10 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | Philadelphia College of Osteopathic Medicine |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Emergency Medicine |
Medical group
- Susquehanna Physician ServicesWilliamsport, PA · 612 clinicians
Hospital affiliation
- Upmc MuncyMuncy, PA
Industry payments (Open Payments)
- 2025$38.75 · 2 payments from 2 companies
- 2024$36.47 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $20.48 | 1 |
| Tarsus Pharmaceuticals, Inc. | $18.27 | 1 |
What the 2025 payments were for
- Food and Beverage$38.75 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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