Mary Duncan, MD
NPI 1801825807 · Emergency Medicine Physician · Big Stone Gap, VA
Mary Duncan, MD is a Emergency Medicine Physician provider in Big Stone Gap, VA (NPI 1801825807).
Provider details
- NPI number
- 1801825807
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 0101059261 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-07-02
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mary Duncan's NPI number?
- Mary Duncan's National Provider Identifier (NPI) is 1801825807, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Duncan's specialty?
- Mary Duncan is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Duncan located?
- Mary Duncan's practice location on file with NPPES is 1990 Holton Ave E, Big Stone Gap, VA 24219-3350.
- What is Mary Duncan's phone number?
- The practice phone number listed in the NPPES registry for Mary Duncan is (276) 523-8612.
- Is Mary Duncan's NPI active?
- Yes — Mary Duncan's NPI (1801825807) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.