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

ELLEN VOLFSON LMSW
NPI 1861193468
Social Worker - Clinical in New York, NY

Active since March 13, 2023
345 E 93RD ST APT 21B, NEW YORK, NY 10128(917) 327-3637 Get Directions Write a Review

NPPES record last updated: September 23, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Sep 23, 2026, Mar 17, 2023 (2 updates tracked since 2023).

About Ellen Volfson Lmsw NPPES

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

ELLEN VOLFSON LMSW (NPI 1861193468) is an individual clinical provider in New York, New York, licensed in New York (103924) and active in the NPI registry since March 2023.

NPPES Registry Identity

NPI1861193468
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameELLEN VOLFSONCredential: LMSW
Location Address345 E 93RD ST APT 21BNew York, NY 10128-5522
Mailing Address345 E 93rd St Apt 21bNew York, NY 10128-5522 · (917) 327-3637
Phone(917) 327-3637
Sole ProprietorYes
Enumeration DateMarch 13, 2023
Last NPPES UpdateSeptember 23, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 23, 2026
✔ NPI 1861193468 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in NY · 103924
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
345 E 93RD ST APT 21B, New York, NY 10128
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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 Ellen Volfson's NPI number?

The NPI number for Ellen Volfson is 1861193468. It was assigned to this individual provider in the NPPES registry on March 13, 2023.

Where is Ellen Volfson located?

Ellen Volfson practices at 345 E 93rd St Apt 21B, New York, NY 10128. The listed phone number is (917) 327-3637.

What is Ellen Volfson's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

When was this NPI record last updated?

The NPPES record for Ellen Volfson was last updated on September 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.