Mark Thomas Dillon, MD
NPI 1578629572ActiveIndividual· Orthopaedic Surgery· Indianapolis, IN
Orthopaedic Surgery (MD) in Indianapolis, Indiana, trained at University of Michigan Medical School (class of 2001). Mostly services rather than prescriptions: Medicare paid $82,975 for 185 patients in 2024, with only 45 Part D claims. Arthrex, Inc. was the largest of 3 companies reporting payments in 2025, $66,004 in all, mostly consulting fees.
Overview
| NPI | 1578629572 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 28, 2006 |
| Last updated in NPPES | Dec 11, 2021 |
| Certified by provider | Dec 11, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | 01085449A | IN |
| Orthopaedic Surgery, Adult Reconstructive Orthopaedic Surgery | 207XS0114X | MT188958 | PA |
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 (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 185 |
|---|---|
| Services billed | 519 across 47 procedure codes |
| Paid by Medicare | $82,975 |
Part D prescriptions in 2024
| Prescriptions (claims) | 45 · 45 30-day fills |
|---|---|
| Patients | 31 |
| Total drug cost | $149.41 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | University of Michigan Medical School |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Orthopedic Surgery |
| Telehealth | Offers telehealth |
Medical group
- Iu Health Medical Group LLCIndianapolis, IN · 4,462 clinicians
Hospital affiliations
- Indiana University HealthIndianapolis, IN
- Indiana University Health North HospitalCarmel, IN
Industry payments (Open Payments)
- 2025$66,004 · 71 payments from 3 companies
- 2024$21,867 · 57 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Arthrex, Inc. | $65,269 | 59 |
| Mf Med | $620.70 | 10 |
| Zimmer Biomet Holdings, Inc. | $114.35 | 2 |
What the 2025 payments were for
- Consulting Fee$57,850 · 19 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$3,400 · 2 payments
- Travel and Lodging$2,449 · 10 payments
- Food and Beverage$2,305 · 40 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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