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

MS. Deborah L Singer, LCSW

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1164519153

MS. Deborah L Singer, LCSW is an Addiction (Substance Use Disorder) Counselor in Oyster Bay, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2006
Specialties on file
4
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

123 S St Ste 205
Oyster Bay, NY 11771
Phone: (516) 647-2296
Fax: (516) 624-6778
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 R057801 (NY)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X (NY)
Clinical Social Worker Taxonomy 1041C0700X · Licence RO57801-1 (NY)
School Social Worker Taxonomy 1041S0200X (NY)

Record details

NPI number1164519153
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedOctober 10, 2006
Last updated in NPPESJune 19, 2015

Other providers in Oyster Bay