Jennifer Flanagan Lcsw, PC
NPI 1578845731 · Clinical Social Worker · Sayville, NY
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jennifer Flanagan Lcsw, PC is a Clinical Social Worker organization in Sayville, NY (NPI 1578845731).
Provider details
- NPI number
- 1578845731
- Entity type
- Organization
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Jennifer Flanagan, Lcsw(631) 472-2629
- License
- 053699-1 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
- 2011-09-14
- Last updated
- 2012-12-04
Frequently asked questions
- What is Jennifer Flanagan Lcsw, PC's NPI number?
- Jennifer Flanagan Lcsw, PC's National Provider Identifier (NPI) is 1578845731, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Jennifer Flanagan Lcsw, PC?
- Jennifer Flanagan Lcsw, PC is classified in the NPPES registry as Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Jennifer Flanagan Lcsw, PC located?
- Jennifer Flanagan Lcsw, PC's practice location on file with NPPES is 296 N Main St, Sayville, NY 11782-2550.
- What is Jennifer Flanagan Lcsw, PC's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Flanagan Lcsw, PC is (631) 472-2629.
- Does Jennifer Flanagan Lcsw, PC accept Medicare?
- Jennifer Flanagan Lcsw, PC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Jennifer Flanagan Lcsw, PC?
- The authorized official listed on Jennifer Flanagan Lcsw, PC's NPPES record is Jennifer Flanagan, Lcsw. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Jennifer Flanagan Lcsw, PC's NPI active?
- Yes — Jennifer Flanagan Lcsw, PC's NPI (1578845731) is active in the NPPES registry as of the last update on 2012-12-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.