1. Home
  2. Directory
  3. New York
  4. New York New York
  5. Social Worker
  6. NPI Profile

MS. SYDNEY DIAMOND RATNER LCSW
NPI 1164619037
Social Worker - Clinical in New York, NY

Active since September 25, 2007
875 WEST END AVE, APT. 3F, NEW YORK, NY 10025(212) 749-6254(212) 662-4994 Get Directions Write a Review

NPPES record last updated: September 25, 2007. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Ms. Sydney Diamond Ratner Lcsw NPPES

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

MS. SYDNEY DIAMOND RATNER LCSW (NPI 1164619037) is an individual clinical provider in New York, New York, licensed in New York (PRO18482) and active in the NPI registry since September 2007.

NPPES Registry Identity

NPI1164619037
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMS. SYDNEY DIAMOND RATNERCredential: LCSW
Location Address875 WEST END AVE, APT. 3FNew York, NY 10025-4951
Mailing Address875 W End Ave, #3fNew York, NY 10025-4919 · (212) 749-6254 · Fax (212) 662-4994
Phone(212) 749-6254
Fax(212) 662-4994
Sole ProprietorYes
Enumeration DateSeptember 25, 2007
✔ NPI 1164619037 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 · PRO18482
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.
875 WEST END AVE, New York, NY 10025
Open in Google Maps ↗

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 Sydney Ratner's NPI number?

The NPI number for Sydney Ratner is 1164619037. It was assigned to this individual provider in the NPPES registry on September 25, 2007.

Where is Sydney Ratner located?

Sydney Ratner practices at 875 West End Ave Apt. 3F, New York, NY 10025. The listed phone number is (212) 749-6254.

What is Sydney Ratner'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 Sydney Ratner was last updated on September 25, 2007. NPI Profile syncs with the weekly NPPES data releases published by CMS.