Mark Johnson
NPI 1649313909ActiveIndividual· Surgery· Atlanta, GA
Surgery in Atlanta, Georgia, trained at Tufts University School of Medicine (class of 1988). Medicare paid $6,115 for services to 12 patients in 2024. Incyte Corporation was the largest of 4 companies reporting payments in 2025, $99.35 in all, mostly food and beverage.
Overview
| NPI | 1649313909 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Feb 15, 2007 |
| Last updated in NPPES | Jul 10, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | ME124207 | FL |
| Transplant Surgery | 204F00000X | 055843 | GA |
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 - General Surgery (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 12 |
|---|---|
| Services billed | 20 across 8 procedure codes |
| Paid by Medicare | $6,115 |
Education and affiliations
| Medical school | Tufts University School of Medicine |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | General Surgery |
Medical group
- Halifax Healthcare Systems IncDaytona Bch, FL · 356 clinicians
Hospital affiliations
- Adventhealth OrlandoOrlando, FL
- Halifax Health Medical CenterDaytona Beach, FL
Industry payments (Open Payments)
- 2025$99.35 · 5 payments from 4 companies
- 2024$117.68 · 6 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Incyte Corporation | $37.60 | 2 |
| Janssen Biotech, Inc. | $26.48 | 1 |
| Exelixis Inc. | $18.59 | 1 |
| Stemline Therapeutics Inc. | $16.68 | 1 |
What the 2025 payments were for
- Food and Beverage$99.35 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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