John Alan Semian, MD
NPI 1528061355ActiveIndividual· Surgery· Danville, PA
Surgery (MD) in Danville, Pennsylvania, trained at Rutgers New Jersey Medical School (class of 1995). 224 Medicare patients in 2024, $55,906 paid; nearly all of their 84 Part D prescriptions were generic (99%).
Overview
| NPI | 1528061355 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 24, 2005 |
| Last updated in NPPES | Jun 19, 2020 |
| Certified by provider | Jun 19, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | MD418609 | PA |
| Specialist | 174400000X | MD418609 | 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 - General Surgery (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 224 |
|---|---|
| Services billed | 410 across 51 procedure codes |
| Paid by Medicare | $55,906 |
Part D prescriptions in 2024
| Prescriptions (claims) | 84 · 90 30-day fills |
|---|---|
| Patients | 45 |
| Total drug cost | $862.36 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | Rutgers New Jersey Medical School |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | General Surgery |
Medical groups
- Geisinger ClinicDanville, PA · 3,467 clinicians
- Geisinger-Hm Joint Venture LLCMontoursville, PA · 422 clinicians
Hospital affiliations
- Geisinger Medical CenterDanville, PA
- Geisinger-Bloomsburg HospitalBloomsburg, PA
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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