Mary Obrien, MD
NPI 1013992163 · Emergency Medicine Physician · Winston Salem, NC
Mary Obrien, MD is a Emergency Medicine Physician provider in Winston Salem, NC (NPI 1013992163).
Provider details
- NPI number
- 1013992163
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 009801427 (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
- 2010-08-11
Frequently asked questions
- What is Mary Obrien's NPI number?
- Mary Obrien's National Provider Identifier (NPI) is 1013992163, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Obrien's specialty?
- Mary Obrien is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Obrien located?
- Mary Obrien's practice location on file with NPPES is Medical Center Blvd, Winston Salem, NC 27157-0001.
- What is Mary Obrien's phone number?
- The practice phone number listed in the NPPES registry for Mary Obrien is (336) 716-2255.
- Is Mary Obrien's NPI active?
- Yes — Mary Obrien's NPI (1013992163) is active in the NPPES registry as of the last update on 2010-08-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.