John Maguire, MD
NPI 1831140474 · Emergency Medicine Physician · Falls Church, VA
John Maguire, MD is a Emergency Medicine Physician provider in Falls Church, VA (NPI 1831140474).
Provider details
- NPI number
- 1831140474
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 0101230788 (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
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
- 2006-05-15
- Last updated
- 2008-05-27
Frequently asked questions
- What is John Maguire's NPI number?
- John Maguire's National Provider Identifier (NPI) is 1831140474, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Maguire's specialty?
- John Maguire is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Maguire located?
- John Maguire's practice location on file with NPPES is 3300 Gallows Rd, Falls Church, VA 22042-3307.
- What is John Maguire's phone number?
- The practice phone number listed in the NPPES registry for John Maguire is (703) 776-3111.
- Is John Maguire's NPI active?
- Yes — John Maguire's NPI (1831140474) is active in the NPPES registry as of the last update on 2008-05-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.