John Gargan, NP
NPI 1437356789 · Family Nurse Practitioner · New York, NY
John Gargan, NP is a Family Nurse Practitioner provider in New York, NY (NPI 1437356789).
Provider details
- NPI number
- 1437356789
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Male
- Sole proprietor
- Yes
- License
- F334335 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
- 2007-06-29
- Last updated
- 2015-03-20
Frequently asked questions
- What is John Gargan's NPI number?
- John Gargan's National Provider Identifier (NPI) is 1437356789, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Gargan's specialty?
- John Gargan is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is John Gargan located?
- John Gargan's practice location on file with NPPES is 2091 Amsterdam Ave, New York, NY 10032.
- What is John Gargan's phone number?
- The practice phone number listed in the NPPES registry for John Gargan is (212) 740-6740.
- Is John Gargan's NPI active?
- Yes — John Gargan's NPI (1437356789) is active in the NPPES registry as of the last update on 2015-03-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.