MISS HEATHER MARIE GILLIGAN LCSW
NPI 1336521459
Social Worker in Huntington Station, NY

Q: What is Heather Gilligan's NPI number?

The NPI number for Heather Gilligan is 1336521459. It was assigned to this individual provider in the NPPES registry on June 25, 2015.

Q: What is Heather Gilligan's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

Q: Is Heather Gilligan enrolled in Medicare?

No. Heather Gilligan has opted out of Medicare through February 4, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

Q: When was this NPI record last updated?

The NPPES record for Heather Gilligan was last updated on May 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 25, 2015Opted out of Medicare · through Feb 4, 2027

315 WALT WHITMAN RD, HUNTINGTON STATION, NY 11746(516) 508-3579 Get Directions Write a Review

NPPES record last updated: May 12, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: May 12, 2025, Oct 4, 2019 (2 updates tracked since 2019).

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About Miss Heather Marie Gilligan Lcsw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MISS HEATHER MARIE GILLIGAN LCSW (NPI 1336521459) is an individual social worker in Huntington Station, New York and active in the NPI registry since June 2015. She has opted out of Medicare through February 4, 2027.

NPPES Registry Identity

NPI1336521459

Entity TypeIndividualFemale

Primary Taxonomy104100000X

Provider Legal NameMISS HEATHER MARIE GILLIGANCredential: LCSW

Location Address315 WALT WHITMAN RDHuntington Station, NY 11746-4112

Mailing Address59 S Grand StWestbury, NY 11590-4344 · (631) 871-1388

Phone(516) 508-3579

Sole ProprietorYes

Enumeration DateJune 25, 2015

Last NPPES UpdateMay 12, 20252 updates tracked since enumeration

NPPES CertifiedMay 12, 2025

✔ NPI 1336521459 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers

Taxonomy Code104100000X

Definition

A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.

Also ListedCase Manager/Care CoordinatorTaxonomy 171M00000X

315 WALT WHITMAN RD, Huntington Station, NY 11746

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Miss Heather Marie Gilligan Lcsw has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from February 4, 2025 through February 4, 2027.

Opt-Out Effective DateFebruary 4, 2025

Opt-Out In Effect ThroughFebruary 4, 2027Opt-out affidavits renew automatically every two years unless cancelled

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. LESLIE JILL KRAUT LMSW

Social Worker

315 WALT WHITMAN RD, SUITE 209
HUNTINGTON STATION, NY 11746

Suffolk County (617) 504-7853

JACKLYN ANN CIMINO LCSW

Social Worker (Clinical)

315 WALT WHITMAN RD
HUNTINGTON STATION, NY 11746

Suffolk County (516) 206-6581

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Heather Gilligan's NPI number?

The NPI number for Heather Gilligan is 1336521459. It was assigned to this individual provider in the NPPES registry on June 25, 2015.

Where is Heather Gilligan located?

Heather Gilligan practices at 315 Walt Whitman Rd, Huntington Station, NY 11746. The listed phone number is (516) 508-3579.

What is Heather Gilligan's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

Is Heather Gilligan enrolled in Medicare?

No. Heather Gilligan has opted out of Medicare through February 4, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Heather Gilligan was last updated on May 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.