Jon W. Ark, M.D.
NPI 1871513176ActiveIndividual· Orthopaedic Surgery· Princeton, NJ
Orthopaedic Surgery (M.D.) with Orthonj LLC, practicing in Princeton, New Jersey. Mostly services rather than prescriptions: Medicare paid $230,870 for 709 patients in 2024, with only 41 Part D claims. Orthofix Medical, Inc. reported $26.36 in payments in 2025, mostly food and beverage. Lists University Medical Center of Princeton at Plainsboro as a hospital affiliation.
Overview
| NPI | 1871513176 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 20, 2006 |
| Last updated in NPPES | Sep 30, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | 25MA06184800 | NJ |
| Orthopaedic Surgery, Hand Surgery | 207XS0106X | 25MA06184800 | NJ |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Orthopedic Surgery (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 709 |
|---|---|
| Services billed | 3,178 across 104 procedure codes |
| Paid by Medicare | $230,870 |
Part D prescriptions in 2024
| Prescriptions (claims) | 41 · 41 30-day fills |
|---|---|
| Patients | 28 |
| Total drug cost | $14,167 |
| Generic share | 95% of claims |
Education and affiliations
| Graduation year | 1987 |
|---|---|
| Medicare specialty | Orthopedic Surgery |
| Secondary specialties | Hand Surgery |
Medical group
- Orthonj LLCSomerset, NJ · 304 clinicians
Hospital affiliation
- University Medical Center of Princeton at PlainsboroPlainsboro, NJ
Other facilities
- Good Shepherd Penn PartnersLong-term care hospital · Philadelphia, PA
Industry payments (Open Payments)
- 2025$26.36 · 1 payment from 1 company
- 2024$45.98 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Orthofix Medical, Inc. | $26.36 | 1 |
What the 2025 payments were for
- Food and Beverage$26.36 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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