Samuel Mark Harmsen, M.D.
NPI 1528297306ActiveIndividual· Orthopaedic Surgery· Phoenix, AZ
Orthopaedic Surgery (M.D.) in Phoenix, Arizona, trained at George Washington University School of Medicine (class of 2009). Mostly services rather than prescriptions: Medicare paid $151,694 for 373 patients in 2024, with only 26 Part D claims. Arthrex, Inc. was the largest of 4 companies reporting payments in 2025, $208,933 in all, mostly speaking and faculty fees.
Overview
| NPI | 1528297306 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 14, 2009 |
| Last updated in NPPES | Aug 13, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | R71548 | AZ |
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 (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 373 |
|---|---|
| Services billed | 2,445 across 39 procedure codes |
| Paid by Medicare | $151,694 |
Part D prescriptions in 2024
| Prescriptions (claims) | 26 · 26 30-day fills |
|---|---|
| Patients | 24 |
| Total drug cost | $196.60 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | George Washington University School of Medicine |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Orthopedic Surgery |
Medical group
- Toca at Banner Health LLCPhoenix, AZ · 26 clinicians
Hospital affiliations
Industry payments (Open Payments)
- 2025$208,933 · 112 payments from 4 companies
- 2024$123,140 · 95 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Arthrex, Inc. | $122,993 | 82 |
| Shoulder Innovations, Inc. | $55,388 | 19 |
| Zimmer Biomet Holdings, Inc. | $27,111 | 9 |
| Genesis Software Innovations, LLC | $3,440 | 2 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$78,925 · 4 payments
- Consulting Fee$60,425 · 24 payments
- Royalty or License$54,370 · 10 payments
- Travel and Lodging$11,846 · 28 payments
- Food and Beverage$3,300 · 43 payments
- Gift$58.78 · 2 payments
- Acquisitions$8.80 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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