Nicholas Geagan
NPI 1639601420 · Pediatric Infectious Diseases Physician · Washington, DC
Nicholas Geagan is a Pediatric Infectious Diseases Physician provider in Washington, DC (NPI 1639601420).
Provider details
- NPI number
- 1639601420
- Entity type
- Individual
- Primary specialty
- Pediatric Infectious Diseases PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- DO034930 (DC)
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
9 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
- 2017-03-30
- Last updated
- 2022-11-28
- Certified
- 2022-11-28
Frequently asked questions
- What is Nicholas Geagan's NPI number?
- Nicholas Geagan's National Provider Identifier (NPI) is 1639601420, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Geagan's specialty?
- Nicholas Geagan is listed in the NPPES registry with a primary specialty of Pediatric Infectious Diseases Physician (Allopathic & Osteopathic Physicians).
- Where is Nicholas Geagan located?
- Nicholas Geagan's practice location on file with NPPES is 111 Michigan Ave Nw Ste 101a3.5w, Washington, DC 20010-2916.
- What is Nicholas Geagan's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Geagan is (202) 476-5051.
- Is Nicholas Geagan's NPI active?
- Yes — Nicholas Geagan's NPI (1639601420) is active in the NPPES registry as of the last update on 2022-11-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.