Mark Leo Johnson, M.D.
NPI 1649353855ActiveIndividual· Surgery· Morgantown, WV
Surgery (M.D.) in Morgantown, West Virginia, trained at University of Minnesota Medical School (class of 1992). 293 Medicare patients in 2024, $90,975 paid; nearly all of their 213 Part D prescriptions were generic (92%). Dilon Technologies, Inc. reported $66.96 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1649353855 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 23, 2006 |
| Last updated in NPPES | Apr 1, 2024 |
| Certified by provider | Apr 1, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | 18363 | WV |
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 - General Surgery (WV) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 293 |
|---|---|
| Services billed | 806 across 119 procedure codes |
| Paid by Medicare | $90,975 |
Part D prescriptions in 2024
| Prescriptions (claims) | 213 · 300 30-day fills |
|---|---|
| Patients | 107 |
| Total drug cost | $13,947 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | University of Minnesota Medical School |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | General Surgery |
| Secondary specialties | Peripheral Vascular Disease |
Medical groups
- Monongalia County General Hospital CompanyMorgantown, WV · 243 clinicians
- Preston Memorial Hospital CorporationKingwood, WV · 46 clinicians
Hospital affiliations
- Mon Health MarionWhitehall, WV
- Mon Health Medical CenterMorgantown, WV
- Preston Memorial HospitalKingwood, WV
Industry payments (Open Payments)
- 2025$66.96 · 1 payment from 1 company
- 2024$46.33 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Dilon Technologies, Inc. | $66.96 | 1 |
What the 2025 payments were for
- Food and Beverage$66.96 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 32 general surgeons in Morgantown · All general surgeons in West Virginia