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MR. MICHAEL FIRSTEIN-RUDDER LMSW
NPI 1891595138
Social Worker - Clinical in New York, NY

Active since March 17, 2025
1619 3RD AVE STE 202, NEW YORK, NY 10128(646) 450-9690 Get Directions Write a Review

NPPES record last updated: March 25, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 25, 2025, Mar 17, 2025 (2 updates tracked since 2025).

About Mr. Michael Firstein-rudder Lmsw NPPES

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

MR. MICHAEL FIRSTEIN-RUDDER LMSW (NPI 1891595138) is an individual clinical provider in New York, New York, licensed in New York (123942) and active in the NPI registry since March 2025.

NPPES Registry Identity

NPI1891595138
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMR. MICHAEL FIRSTEIN-RUDDERCredential: LMSW
Location Address1619 3RD AVE STE 202New York, NY 10128-3459
Mailing Address1619 3rd Ave Ste 202New York, NY 10128-3459 · (212) 860-8500
Phone(646) 450-9690
Sole ProprietorNo
Enumeration DateMarch 17, 2025
Last NPPES UpdateMarch 25, 20252 updates tracked since enumeration
NPPES CertifiedMarch 25, 2025
✔ NPI 1891595138 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 · 123942
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.
1619 3RD AVE STE 202, New York, NY 10128
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Other Names 1

Other Name (5)Mr. Misha Firstein-rudder

Other Providers at the Same Location NPPES 4

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

BRIAN M LISSAK LCSW
Social Worker (Clinical)
1619 3RD AVE STE 202
NEW YORK, NY 10128
New York County (203) 994-5970
JULIANA GRAHAM
Social Worker (Clinical)
1619 3RD AVE STE 202
NEW YORK, NY 10128
New York County (212) 860-8500
ADAM GEORGE WILSON LMSW
Social Worker
1619 3RD AVE STE 202
NEW YORK, NY 10128
New York County (646) 543-1386
DANIELLE TIA GALIS
Social Worker (Clinical)
1619 3RD AVE STE 202
NEW YORK, NY 10128
New York County (212) 860-8500

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 Michael Firstein-rudder's NPI number?

The NPI number for Michael Firstein-rudder is 1891595138. It was assigned to this individual provider in the NPPES registry on March 17, 2025. The provider is also known as Mr. Misha Firstein-Rudder.

Where is Michael Firstein-rudder located?

Michael Firstein-rudder practices at 1619 3rd Ave Ste 202, New York, NY 10128. The listed phone number is (646) 450-9690.

What is Michael Firstein-rudder'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 Michael Firstein-rudder was last updated on March 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.