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

Grace Brinkley Sullivan, LCSW

Individual provider Clinical Social Worker · NPI 1275299224

Grace Brinkley Sullivan, 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
2021
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 →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

410 E 20th St Apt 6H
New York, NY 10009-8114
Phone: (917) 406-1373
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 079109 (NY)

Record details

NPI number1275299224
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedNovember 15, 2021
Last updated in NPPESNovember 15, 2021
Certification dateNovember 15, 2021

Other providers in New York