Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

MS. Sydney Diamond Ratner, LCSW

Individual provider Clinical Social Worker · NPI 1164619037

MS. Sydney Diamond Ratner, LCSW is a Clinical Social Worker in New York, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2007
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

See every abbreviation used in this directory →

Practice location Address checks out

875 W End Ave Apt 3F
New York, NY 10025-4951 Not confirmed with CMS for 19 years — call before visiting
Phone: (212) 749-6254
Fax: (212) 662-4994
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence PRO18482 (NY)

Record details

NPI number1164619037
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedSeptember 25, 2007
Last updated in NPPESSeptember 25, 2007

Other providers in New York