Mark Stephen Johnson, MD
NPI 1235142357ActiveIndividual· Surgery· Portsmouth, VA
Surgery (MD) in Portsmouth, Virginia, trained at University of Massachusetts Medical School (class of 2006). Medicare paid $6,803 for services to 42 patients in 2024. Davol Inc. was the largest of 2 companies reporting payments in 2024, $192.72 in all, mostly food and beverage.
Overview
| NPI | 1235142357 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 14, 2006 |
| Last updated in NPPES | Sep 30, 2026 |
| Certified by provider | Sep 30, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | 0101248712 | VA |
| Surgery | 208600000X | 2015-00091 | NC |
| Surgery, Surgical Critical Care | 2086S0102X | 0101248712 | VA |
| Surgery, Trauma Surgery | 2086S0127X | 0101248712 | VA |
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 (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 42 |
|---|---|
| Services billed | 58 across 12 procedure codes |
| Paid by Medicare | $6,803 |
Education and affiliations
| Medical school | University of Massachusetts Medical School |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | General Surgery |
Medical group
- Chesapeake Regional Medical GroupChesapeake, VA · 151 clinicians
Hospital affiliation
- Chesapeake General HospitalChesapeake, VA
Industry payments (Open Payments)
- 2024$192.72 · 2 payments from 2 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Davol Inc. | $158.47 | 1 |
| Apellis Pharmaceuticals, Inc. | $34.25 | 1 |
What the 2024 payments were for
- Food and Beverage$192.72 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 33 general surgeons in Portsmouth · All general surgeons in Virginia