Gregg C. Mason, MD
NPI 1922063353ActiveIndividual· Orthopaedic Surgery· Jamestown, NY
Orthopaedic Surgery (MD) in Jamestown, New York, licensed in NY, with an NPI issued in April 2006. 185 Medicare patients in 2024, $52,212 paid; all of their 676 Part D prescriptions were generic.
Overview
| NPI | 1922063353 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 19, 2006 |
| Last updated in NPPES | Jan 25, 2024 |
| Certified by provider | Aug 19, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | 306064-01 | NY |
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 (NY); Practitioner - Orthopedic Surgery (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 185 |
|---|---|
| Services billed | 5,213 across 26 procedure codes |
| Paid by Medicare | $52,212 |
Part D prescriptions in 2024
| Prescriptions (claims) | 676 · 756 30-day fills |
|---|---|
| Patients | 215 |
| Total drug cost | $8,421 |
| Generic share | 100% of claims |
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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