Gregg Gabriel Martyak, M.D.
NPI 1558565044ActiveIndividual· Orthopaedic Surgery, Hand Surgery· Philadelphia, PA
Orthopaedic Surgery, Hand Surgery (M.D.) in Philadelphia, Pennsylvania, trained at Jefferson Medical College of Thomas Jefferson University (class of 2002). 264 Medicare patients in 2024, $104,491 paid; all of their 93 Part D prescriptions were generic. Arthrosurface Incorporated was the largest of 3 companies reporting payments in 2025, $321.21 in all, mostly food and beverage.
Overview
| NPI | 1558565044 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 11, 2007 |
| Last updated in NPPES | May 17, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery, Hand Surgery Primary | 207XS0106X | MD425153 | 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 - Orthopedic Surgery (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 264 |
|---|---|
| Services billed | 1,529 across 77 procedure codes |
| Paid by Medicare | $104,491 |
Part D prescriptions in 2024
| Prescriptions (claims) | 93 · 107 30-day fills |
|---|---|
| Patients | 59 |
| Total drug cost | $297.85 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Jefferson Medical College of Thomas Jefferson University |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Orthopedic Surgery |
Medical groups
- Orthopedic Centers of Colorado LLCAurora, CO · 324 clinicians
- Eastern Rio Blanco County Health Service DistrictMeeker, CO · 40 clinicians
Hospital affiliations
- Centura Health-Penrose St Francis Health ServicesColorado Springs, CO
- Eastern Rio Blanco County Health Service DistrictMeeker, CO
Industry payments (Open Payments)
- 2025$321.21 · 3 payments from 3 companies
- 2024$217.43 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Arthrosurface Incorporated | $160.56 | 1 |
| Skeletal Dynamics Inc | $139.79 | 1 |
| Depuy Synthes Sales Inc. | $20.86 | 1 |
What the 2025 payments were for
- Food and Beverage$321.21 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 24 Orthopaedic Surgery, Hand Surgery providers in Philadelphia · All Orthopaedic Surgery, Hand Surgery providers in Pennsylvania