Heather Gilligan, LCSW
NPI 1336521459 · Social Worker · Huntington Station, NY
Heather Gilligan, LCSW is a Social Worker provider in Huntington Station, NY (NPI 1336521459).
Provider details
- NPI number
- 1336521459
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Case Manager/Care Coordinator171M00000X
Other Service Providers
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
83% 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
- 2015-06-25
- Last updated
- 2025-05-12
- Certified
- 2025-05-12
Frequently asked questions
- What is Heather Gilligan's NPI number?
- Heather Gilligan's National Provider Identifier (NPI) is 1336521459, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Heather Gilligan's specialty?
- Heather Gilligan is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Heather Gilligan located?
- Heather Gilligan's practice location on file with NPPES is 315 Walt Whitman Rd, Huntington Station, NY 11746-4112.
- What is Heather Gilligan's phone number?
- The practice phone number listed in the NPPES registry for Heather Gilligan is (516) 508-3579.
- Is Heather Gilligan's NPI active?
- Yes — Heather Gilligan's NPI (1336521459) is active in the NPPES registry as of the last update on 2025-05-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.