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

MS. DIANA FALK LCSW R
NPI 1235113309
Social Worker in Huntington, NY

Q: What is Diana Falk's NPI number?

The NPI number for Diana Falk is 1235113309. It was assigned to this individual provider in the NPPES registry on December 2, 2005.

Q: What is Diana Falk'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 Diana Falk was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 39 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 December 02, 2005

15 TRILLIUM PL, HUNTINGTON, NY 11743(631) 547-8013(631) 547-8013 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Ms. Diana Falk Lcsw R NPPES

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

MS. DIANA FALK LCSW R (NPI 1235113309) is an individual social worker in Huntington, New York, licensed in New York (R 033130 1) and active in the NPI registry since December 2005.

NPPES Registry Identity

NPI1235113309

Entity TypeIndividualFemale

Primary Taxonomy104100000X

Provider Legal NameMS. DIANA FALKCredential: LCSW R

Location Address15 TRILLIUM PLHuntington, NY 11743-7117

Mailing Address15 Trillium PlHuntington, NY 11743-7117 · (631) 547-8013 · Fax (631) 547-8013

Phone(631) 547-8013

Fax(631) 547-8013

Sole ProprietorNo

Enumeration DateDecember 2, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1235113309 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 · R 033130 1

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.

15 TRILLIUM PL, Huntington, NY 11743

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Other Identifiers 2

OtherP12003323Multi Plan

OtherP2791460Oxford Health Plan

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.Insurance ›

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 Diana Falk's NPI number?

The NPI number for Diana Falk is 1235113309. It was assigned to this individual provider in the NPPES registry on December 2, 2005.

Where is Diana Falk located?

Diana Falk practices at 15 Trillium Pl, Huntington, NY 11743. The listed phone number is (631) 547-8013.

What is Diana Falk's specialty?

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

What insurance does Diana Falk accept?

Health plans from Providence Health Plan list Diana Falk as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Diana Falk was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 39 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.