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John Flanigan, MD
NPI 1083657779 · Internal Medicine Physician · Baltimore, MD
John Flanigan, MD is a Internal Medicine Physician provider in Baltimore, MD (NPI 1083657779).
Provider details
- NPI number
- 1083657779
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- D0030971 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
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
210 S. Paca St
Sixth Floor
Baltimore, MD 21201
Phone: (410) 328-8025
Street-level locationGet directions
Mailing address
4 Longwood Rd
Baltimore, MD 21210-2118
Registry dates
- Enumerated
- 2006-06-13
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Flanigan's NPI number?
- John Flanigan's National Provider Identifier (NPI) is 1083657779, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Flanigan's specialty?
- John Flanigan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Flanigan located?
- John Flanigan's practice location on file with NPPES is 210 S. Paca St, Baltimore, MD 21201.
- What is John Flanigan's phone number?
- The practice phone number listed in the NPPES registry for John Flanigan is (410) 328-8025.
- Is John Flanigan's NPI active?
- Yes — John Flanigan's NPI (1083657779) 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.