Mark Seeley, MD
NPI 1891922894ActiveIndividual· Orthopaedic Surgery· Hershey, PA
Orthopaedic Surgery (MD) with Geisinger Clinic and 1 other group, practicing in Hershey, Pennsylvania. Medicare paid $4,658 for services to 15 patients in 2024. Orthopediatrics Corp. was the largest of 2 companies reporting payments in 2025, $51,377 in all, mostly royalties and licenses. Lists Geisinger Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1891922894 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 17, 2009 |
| Last updated in NPPES | Jun 9, 2026 |
| Certified by provider | Jun 9, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | MD452143 | PA |
| Orthopaedic Surgery | 207X00000X | 4301094371 | MI |
| Orthopaedic Surgery | 207X00000X | 343500 | LA |
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 - Orthopedic Surgery (DE); Practitioner - Orthopedic Surgery (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 15 |
|---|---|
| Services billed | 19 across 12 procedure codes |
| Paid by Medicare | $4,658 |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Orthopedic Surgery |
Medical groups
- Geisinger ClinicDanville, PA · 3,467 clinicians
- Tidalhealth Physician Network, Inc.Seaford, DE · 117 clinicians
Hospital affiliations
- Geisinger Medical CenterDanville, PA
- Tidalhealth Nanticoke, Inc.Seaford, DE
Industry payments (Open Payments)
- 2025$51,377 · 16 payments from 2 companies
- 2024$37,563 · 14 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Orthopediatrics Corp. | $51,318 | 14 |
| Stryker Corporation | $59.15 | 2 |
What the 2025 payments were for
- Royalty or License$40,161 · 4 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$10,150 · 5 payments
- Travel and Lodging$937.75 · 3 payments
- Food and Beverage$128.16 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 36 orthopedic surgeons in Hershey · All orthopedic surgeons in Pennsylvania