Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MS. DEBORAH HART LMSW, CASAC
NPI 1851964217
Social Worker in Port Jefferson, NY

Q: What is Deborah Hart's NPI number?

The NPI number for Deborah Hart is 1851964217. It was assigned to this individual provider in the NPPES registry on July 22, 2021.

Q: What is Deborah Hart's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Deborah Hart was last updated on September 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 days 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 July 22, 2021

655 BELLE TERRE RD APT 3, PORT JEFFERSON, NY 11777(631) 637-0533 Get Directions Write a Review

NPPES record last updated: September 14, 2026. Verified against the NPPES registry weekly; last sync: September 20, 2026.

Record update history: Sep 14, 2026, Jul 26, 2021, Jul 22, 2021 (3 updates tracked since 2021).

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About Ms. Deborah Hart Lmsw, Casac NPPES

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

MS. DEBORAH HART LMSW, CASAC (NPI 1851964217) is an individual social worker in Port Jefferson, New York, licensed in New York (100219) and active in the NPI registry since July 2021.

NPPES Registry Identity

NPI1851964217

Entity TypeIndividualFemale

Primary Taxonomy104100000X

Provider Legal NameMS. DEBORAH HARTCredential: LMSW, CASAC

Location Address655 BELLE TERRE RD APT 3Port Jefferson, NY 11777-1945

Mailing Address655 Belle Terre Rd Apt 3Port Jefferson, NY 11777-1945 · (631) 637-0533

Phone(631) 637-0533

Sole ProprietorYes

Enumeration DateJuly 22, 2021

Last NPPES UpdateSeptember 14, 20263 updates tracked since enumeration

NPPES CertifiedSeptember 14, 2026

✔ NPI 1851964217 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers

Taxonomy Code104100000X

License✔ Licensed in NY · 100219

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.

655 BELLE TERRE RD APT 3, Port Jefferson, NY 11777

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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 Deborah Hart's NPI number?

The NPI number for Deborah Hart is 1851964217. It was assigned to this individual provider in the NPPES registry on July 22, 2021.

Where is Deborah Hart located?

Deborah Hart practices at 655 Belle Terre Rd Apt 3, Port Jefferson, NY 11777. The listed phone number is (631) 637-0533.

What is Deborah Hart's specialty?

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

When was this NPI record last updated?

The NPPES record for Deborah Hart was last updated on September 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 days 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.