Marc Thomas Johannsen, D.O.
NPI 1538329644ActiveIndividual· Radiology, Diagnostic Radiology· Portsmouth, VA
Radiology, Diagnostic Radiology (D.O.) in Portsmouth, Virginia, trained at Philadelphia College of Osteopathic Medicine (class of 2008). Medicare paid $21,915 for services to 535 patients in 2024.
Overview
| NPI | 1538329644 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | Yes |
| NPI issued | Jun 11, 2008 |
| Last updated in NPPES | Mar 28, 2023 |
| Certified by provider | Mar 28, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Diagnostic Radiology Primary | 2085R0202X | OS15809 | FL |
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 - Diagnostic Radiology (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 535 |
|---|---|
| Services billed | 1,609 across 75 procedure codes |
| Paid by Medicare | $21,915 |
Education and affiliations
| Medical school | Philadelphia College of Osteopathic Medicine |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Diagnostic Radiology |
Medical groups
- Orlando Health Medical Group IncWindermere, FL · 2,287 clinicians
- Radiology Imaging Associates LLCPonte Vedra, FL · 190 clinicians
- Ohri LLCAltamonte Springs, FL · 154 clinicians
- Inverness Medical Imaging LLCInverness, FL · 84 clinicians
- East Central Florida Outpatient Imaging LLCPort Orange, FL · 45 clinicians
Hospital affiliations
- Flagler HospitalSaint Augustine, FL
- Orlando HealthOrlando, FL
- Orlando Health Sebastian River HospitalSebastian, FL
- Orlando Health South Lake HospitalClermont, FL
- Orlando Health St Cloud HospitalSaint Cloud, FL
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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