James O'Brien, MD
NPI 1013992148 · Anesthesiology Physician · Winston Salem, NC
James O'Brien, MD is a Anesthesiology Physician provider in Winston Salem, NC (NPI 1013992148).
Provider details
- NPI number
- 1013992148
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 34117 (NC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-12-13
- Last updated
- 2022-07-21
Frequently asked questions
- What is James O'Brien's NPI number?
- James O'Brien's National Provider Identifier (NPI) is 1013992148, 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 Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is James O'Brien located?
- James O'Brien's practice location on file with NPPES is Medical Center Blvd, Winston Salem, NC 27157-0001.
- What is James O'Brien's phone number?
- The practice phone number listed in the NPPES registry for James O'Brien is (336) 716-2255.
- Is James O'Brien's NPI active?
- Yes — James O'Brien's NPI (1013992148) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.