Gregory B. Christiansen, MD
NPI 1972569465ActiveIndividual· Orthopaedic Surgery· Washington, PA
Orthopaedic Surgery (MD) in Washington, Pennsylvania, trained at Medical College of Ohio (class of 1998). 180 Medicare patients in 2024, $56,913 paid; all of their 528 Part D prescriptions were generic. Arthrex, Inc. was the largest of 4 companies reporting payments in 2025, $372.38 in all, mostly food and beverage.
Overview
| NPI | 1972569465 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 24, 2006 |
| Last updated in NPPES | Jan 21, 2020 |
| Certified by provider | Jan 21, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | MD065259L | 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 (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 180 |
|---|---|
| Services billed | 1,227 across 37 procedure codes |
| Paid by Medicare | $56,913 |
Part D prescriptions in 2024
| Prescriptions (claims) | 528 · 556 30-day fills |
|---|---|
| Patients | 212 |
| Total drug cost | $3,107 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Medical College of Ohio |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Orthopedic Surgery |
Medical group
- Advanced Orthopaedic and Rehabilitation LLCWashington, PA · 12 clinicians
Hospital affiliation
- Advanced Surgical HospitalWashington, PA
Industry payments (Open Payments)
- 2025$372.38 · 10 payments from 4 companies
- 2024$146.48 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Arthrex, Inc. | $193.00 | 5 |
| Mid-Atlantic Surgical Systems, LLC | $84.70 | 2 |
| Zimmer Biomet Holdings, Inc. | $78.44 | 2 |
| Ferring Pharmaceuticals Inc. | $16.24 | 1 |
What the 2025 payments were for
- Food and Beverage$372.38 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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