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

Mr. William G. San Antonio III, MSW

Individual provider Clinical Social Worker · NPI 1720075815

Mr. William G. San Antonio III, MSW is a Clinical Social Worker in Pawtucket, Rhode Island. Works from 2 locations. Licensed in Rhode Island.

Licensed in
RI
In the registry since
2005
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.

See every abbreviation used in this directory →

Practice location Address checks out

100 Lafayette St Ste 305
Pawtucket, RI 02860-6008
Phone: (401) 942-5553
Show map & directions

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

Additional practice locations (1)

  • 1520 Broad St, Providence, RI 02905-2811 — (401) 461-5234

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence ISW00219 (RI)

Record details

NPI number1720075815
Entity typeIndividual (Type 1)
GenderMale
Credentials MSW
Sole proprietorNo
NPI enumeratedOctober 4, 2005
Last updated in NPPESJanuary 23, 2026
Certification dateJanuary 23, 2026

Other providers in Pawtucket