Mariana Defreitas, MD
NPI 1134650641 · Diagnostic Radiology Physician · Chapel Hill, NC
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mariana Defreitas, MD is a Diagnostic Radiology Physician provider in Chapel Hill, NC (NPI 1134650641).
Provider details
- NPI number
- 1134650641
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 2021-01352 (NC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
2,456 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Ct Scan Head Or Brain Without Contrast70450 | 321 | $37 |
| X-Ray of Chest, 1 View71045 | 320 | $8 |
| X-Ray of Chest, 2 Views71046 | 299 | $10 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 227 | $80 |
| Ct Scan of Upper Spine Without Contrast72125 | 156 | $44 |
| Ct Scan of Blood Vessels of Chest With Contrast71275 | 123 | $79 |
| Ct Scan of Abdomen and Pelvis Without Contrast |
Practice location
Mailing address
Additional practice locations (1)
- 5333 Mcauley Dr Rm 4001Ypsilanti, MI 48197-1099Phone: (734) 712-3980
Registry dates
- Enumerated
- 2017-03-26
- Last updated
- 2024-03-09
- Certified
- 2024-03-09
Frequently asked questions
- What is Mariana Defreitas's NPI number?
- Mariana Defreitas's National Provider Identifier (NPI) is 1134650641, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mariana Defreitas's specialty?
- Mariana Defreitas is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Mariana Defreitas located?
- Mariana Defreitas's practice location on file with NPPES is 101 Manning Dr, Chapel Hill, NC 27514-4220.
- What is Mariana Defreitas's phone number?
- The practice phone number listed in the NPPES registry for Mariana Defreitas is (984) 974-1884.
- Does Mariana Defreitas accept Medicare?
- Mariana Defreitas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mariana Defreitas's NPI active?
- Yes — Mariana Defreitas's NPI (1134650641) is active in the NPPES registry as of the last update on 2024-03-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.