Mariana Regina Defreitas, MD
NPI 1134650641ActiveIndividual· Radiology, Diagnostic Radiology· Chapel Hill, NC
Radiology, Diagnostic Radiology (MD) in Chapel Hill, North Carolina, trained at University of Michigan Medical School (class of 2017). Medicare paid $70,289 for services to 1,510 patients in 2024. Ge Healthcare reported $70,000 in payments in 2025, mostly grants.
Overview
| NPI | 1134650641 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Mar 26, 2017 |
| Last updated in NPPES | Mar 9, 2024 |
| Certified by provider | Mar 9, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Diagnostic Radiology Primary | 2085R0202X | 2021-01352 | NC |
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 - Diagnostic Radiology (NC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,510 |
|---|---|
| Services billed | 2,781 across 109 procedure codes |
| Paid by Medicare | $70,289 |
Education and affiliations
| Medical school | University of Michigan Medical School |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Diagnostic Radiology |
Medical group
- University of North Carolina at Chapel HillChapel Hill, NC · 2,052 clinicians
Hospital affiliations
- Cape Fear Valley Medical CenterFayetteville, NC
- Chatham Hospital IncSiler City, NC
- Duke University HospitalDurham, NC
- Unc HospitalsChapel Hill, NC
Industry payments (Open Payments)
- 2025$70,000 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ge Healthcare | $70,000 | 1 |
What the 2025 payments were for
- Grant$70,000 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 119 diagnostic radiologists in Chapel Hill · All diagnostic radiologists in North Carolina