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

Mr. Walter C Merrigan, LCSW

Individual provider Clinical Social Worker · NPI 1134234586

Mr. Walter C Merrigan, LCSW is a Clinical Social Worker in Pound Ridge, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2006
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

19 Tatomuck Rd
Pound Ridge, NY 10576-1431
Phone: (914) 764-4920
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 LCSW 19636R (NY)

Record details

NPI number1134234586
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorYes
NPI enumeratedAugust 19, 2006
Last updated in NPPESJuly 8, 2007

Other providers in Pound Ridge