Mark Thomas Ryan, D.O.
NPI 1043338833ActiveIndividual· Orthopaedic Surgery· Warren, MI
Orthopaedic Surgery (D.O.) in Warren, Michigan, trained at Michigan State University College of Osteopathic Medicine (class of 2004). 210 Medicare patients in 2024, $99,031 paid; nearly all of their 148 Part D prescriptions were generic (98%). Avanos Medical was the largest of 4 companies reporting payments in 2025, $286.76 in all, mostly food and beverage.
Overview
| NPI | 1043338833 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Mar 27, 2007 |
| Last updated in NPPES | Sep 29, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | 5101016208 | MI |
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 (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 210 |
|---|---|
| Services billed | 1,898 across 87 procedure codes |
| Paid by Medicare | $99,031 |
Part D prescriptions in 2024
| Prescriptions (claims) | 148 · 155 30-day fills |
|---|---|
| Patients | 81 |
| Total drug cost | $2,024 |
| Generic share | 98% of claims |
Education and affiliations
| Medical school | Michigan State University College of Osteopathic Medicine |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Orthopedic Surgery |
Medical group
- Henry Ford Macomb Hospital CorporationSterling Heights, MI · 355 clinicians
Hospital affiliations
- Henry Ford Health HospitalDetroit, MI
- Henry Ford Health St John HospitalDetroit, MI
- Henry Ford Macomb HospitalClinton Township, MI
Other facilities
- Henry Ford Home Health CareHome health agency · Detroit, MI
Industry payments (Open Payments)
- 2025$286.76 · 4 payments from 4 companies
- 2024$75.08 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Avanos Medical | $143.87 | 1 |
| Zimmer Biomet Holdings, Inc. | $91.55 | 1 |
| Depuy Synthes Sales Inc. | $36.76 | 1 |
| Ferring Pharmaceuticals Inc. | $14.58 | 1 |
What the 2025 payments were for
- Food and Beverage$286.76 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 25 orthopedic surgeons in Warren · All orthopedic surgeons in Michigan