Mark L. Lesh, M.D.
NPI 1083786255ActiveIndividual· Orthopaedic Surgery· Chillicothe, OH
Orthopaedic Surgery (M.D.) in Chillicothe, Ohio, trained at Pennsylvania State University College of Medicine (class of 1993). 191 Medicare patients in 2024, $62,540 paid; all of their 62 Part D prescriptions were generic. Arthrex, Inc. was the largest of 2 companies reporting payments in 2025, $783.17 in all, mostly travel and lodging.
Overview
| NPI | 1083786255 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Nov 14, 2006 |
| Last updated in NPPES | Dec 24, 2021 |
| Certified by provider | Dec 24, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | 35.141711 | OH |
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 (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 191 |
|---|---|
| Services billed | 451 across 31 procedure codes |
| Paid by Medicare | $62,540 |
Part D prescriptions in 2024
| Prescriptions (claims) | 62 · 83 30-day fills |
|---|---|
| Patients | 42 |
| Total drug cost | $628.25 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Pennsylvania State University College of Medicine |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Orthopedic Surgery |
| Secondary specialties | Sports Medicine |
Medical group
- Adena Medical Group LLCChillicothe, OH · 386 clinicians
Hospital affiliations
- Adena Fayette Medical CenterWashington Ch, OH
- Adena Pike Medical CenterWaverly, OH
- Adena Regional Medical CenterChillicothe, OH
- Greenfield Area Medical CenterGreenfield, OH
Industry payments (Open Payments)
- 2025$783.17 · 2 payments from 2 companies
- 2024$1,502 · 23 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Arthrex, Inc. | $699.25 | 1 |
| Heron Therapeutics, Inc. | $83.92 | 1 |
What the 2025 payments were for
- Travel and Lodging$699.25 · 1 payment
- Food and Beverage$83.92 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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