John Flynn, LMSW
NPI 1497156939 · Clinical Social Worker · Brooklyn, NY
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Flynn, LMSW is a Clinical Social Worker provider in Brooklyn, NY (NPI 1497156939).
Provider details
- NPI number
- 1497156939
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LMSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- 092670 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Agencies
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 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
- 2014-09-15
- Last updated
- 2019-09-23
Frequently asked questions
- What is John Flynn's NPI number?
- John Flynn's National Provider Identifier (NPI) is 1497156939, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Flynn's specialty?
- John Flynn is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is John Flynn located?
- John Flynn's practice location on file with NPPES is 403 Sackett St, Brooklyn, NY 11231-4703.
- What is John Flynn's phone number?
- The practice phone number listed in the NPPES registry for John Flynn is (201) 247-2003.
- Does John Flynn accept Medicare?
- John Flynn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Flynn's NPI active?
- Yes — John Flynn's NPI (1497156939) is active in the NPPES registry as of the last update on 2019-09-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.