Samuel R. Stoyak, M.D.
NPI 1588906994ActiveIndividual· Internal Medicine· Frederick, MD
Internal Medicine (M.D.) in Frederick, Maryland, trained at University of Pittsburgh School of Medicine (class of 2013). Their prescriptions cost Medicare Part D more than their services did: $366,260 for 3,251 claims, against $105,467 paid for services in 2024.
Overview
| NPI | 1588906994 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 24, 2013 |
| Last updated in NPPES | Aug 21, 2023 |
| Certified by provider | Aug 21, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | D97633 | MD |
| Internal Medicine | 207R00000X | 042.0013430 | VT |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Internal Medicine (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 450 |
|---|---|
| Services billed | 1,616 across 34 procedure codes |
| Paid by Medicare | $105,467 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,251 · 7,349 30-day fills |
|---|---|
| Patients | 551 |
| Total drug cost | $366,260 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | University of Pittsburgh School of Medicine |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Amber Hill Physical Therapy IncFrederick, MD · 334 clinicians
- Frederick Health Medical Group LLCBrunswick, MD · 199 clinicians
Hospital affiliation
- Frederick Health HospitalFrederick, MD
Other facilities
- Adoration Home HealthHome health agency · Westminster, MD
- Bayada Home Health Care, IncHome health agency · Gaithersburg, MD
- Frederick Health Home CareHome health agency · Frederick, MD
- Frederick Health HospiceHospice · Frederick, MD
- Homewood Living FrederickNursing home · Frederick, MD
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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