Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

MADELINE NELKIN LMSW
NPI 1942135488
Social Worker in New York, NY

Q: What is Madeline Nelkin's NPI number?

The NPI number for Madeline Nelkin is 1942135488. It was assigned to this individual provider in the NPPES registry on June 16, 2026.

Q: What is Madeline Nelkin'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 Madeline Nelkin was last updated on June 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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 16, 2026

245 W 129TH ST FL 1, NEW YORK, NY 10027(347) 773-3203 Get Directions Write a Review

NPPES record added: June 16, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Madeline Nelkin Lmsw NPPES

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

MADELINE NELKIN LMSW (NPI 1942135488) is an individual social worker in New York, New York, licensed in New York (129330) and active in the NPI registry since June 2026.

NPPES Registry Identity

NPI1942135488

Entity TypeIndividualFemale

Primary Taxonomy104100000X

Provider Legal NameMADELINE NELKINCredential: LMSW

Location Address245 W 129TH ST FL 1New York, NY 10027-1953

Mailing Address245 W 129th St Fl 1New York, NY 10027-1953 · (347) 773-3203

Phone(347) 773-3203

Sole ProprietorNo

Enumeration DateJune 16, 2026

NPPES CertifiedJune 16, 2026

✔ NPI 1942135488 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 · 129330

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.

245 W 129TH ST FL 1, New York, NY 10027

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Other Providers at the Same Location NPPES

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

THE INSTITUTE FOR FAMILY HEALTH

Family Medicine

245 W 129TH ST FL 1
NEW YORK, NY 10027

New York County (347) 773-3203

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 Madeline Nelkin's NPI number?

The NPI number for Madeline Nelkin is 1942135488. It was assigned to this individual provider in the NPPES registry on June 16, 2026.

Where is Madeline Nelkin located?

Madeline Nelkin practices at 245 W 129th St Fl 1, New York, NY 10027. The listed phone number is (347) 773-3203.

What is Madeline Nelkin'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 Madeline Nelkin was last updated on June 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.