James Muir, MD
NPI 1962495275 · Internal Medicine Physician · Winchester, VA
James Muir, MD is a Internal Medicine Physician provider in Winchester, VA (NPI 1962495275).
Provider details
- NPI number
- 1962495275
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- D0060137 (MD)
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
2 documented practice locations
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
Additional practice locations (1)
- 2900 Telestar CtFalls Church, VA 22042-1206Phone: (703) 396-6197Fax: (703) 779-1372
Registry dates
- Enumerated
- 2005-08-23
- Last updated
- 2026-05-21
- Certified
- 2026-05-21
Frequently asked questions
- What is James Muir's NPI number?
- James Muir's National Provider Identifier (NPI) is 1962495275, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Muir's specialty?
- James Muir is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Muir located?
- James Muir's practice location on file with NPPES is 333 W Cork St Unit 405, Winchester, VA 22601-3876.
- What is James Muir's phone number?
- The practice phone number listed in the NPPES registry for James Muir is (540) 313-9200.
- Is James Muir's NPI active?
- Yes — James Muir's NPI (1962495275) is active in the NPPES registry as of the last update on 2026-05-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.