James O'Brien, M.D.
NPI 1477506558 · Diagnostic Radiology Physician · Charlotte, NC
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James O'Brien, M.D. is a Diagnostic Radiology Physician provider in Charlotte, NC (NPI 1477506558).
Provider details
- NPI number
- 1477506558
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 235944 (NY)
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
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,273 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) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 260 | $8 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 190 | $81 |
| Ct Scan of Blood Vessels of Chest With Contrast71275 | 144 | $80 |
| Ct Scan of Chest Without Contrast71250 | 139 | $48 |
| Ct Scan of Chest With Contrast71260 | 108 | $51 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 100 | $81 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-18
- Last updated
- 2020-09-15
- Certified
- 2020-09-15
Frequently asked questions
- What is James O'Brien's NPI number?
- James O'Brien's National Provider Identifier (NPI) is 1477506558, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James O'Brien's specialty?
- James O'Brien is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is James O'Brien located?
- James O'Brien's practice location on file with NPPES is 3623 Latrobe Dr, Charlotte, NC 28211-4864.
- What is James O'Brien's phone number?
- The practice phone number listed in the NPPES registry for James O'Brien is (704) 332-1291.
- Does James O'Brien accept Medicare?
- James O'Brien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James O'Brien's NPI active?
- Yes — James O'Brien's NPI (1477506558) is active in the NPPES registry as of the last update on 2020-09-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.