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

William Gallagher, CASAC-T, CRPA

Individual provider Peer Specialist · NPI 1720836984

William Gallagher, CASAC-T, CRPA is a Peer Specialist in Deer Park, New York. Licensed in New York. Registered with an NPI since 2024.

Licensed in
NY
In the registry since
2024
Specialties on file
2

Practice location Address checks out

770 Grand Blvd Ste 17
Deer Park, NY 11729-5725
Phone: (631) 919-7294
Show map & directions

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

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X · Licence 38573 (NY)
Peer Specialist Taxonomy 175T00000X · Licence CRPA-5510 (NY)

Record details

NPI number1720836984
Entity typeIndividual (Type 1)
GenderMale
Credentials CASAC-T , CRPA
Sole proprietorNo
NPI enumeratedMay 10, 2024
Last updated in NPPESMay 10, 2024
Certification dateMay 10, 2024

Other providers in Deer Park