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

William Victor Mares

Individual provider Social Worker · NPI 1376914960

William Victor Mares is a Social Worker in Fremont, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2015
Specialties on file
3

Practice location Address checks out

39199 Liberty St
Fremont, CA 94538-1501
Phone: (209) 303-7341
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 84439 (CA)
Social Worker Taxonomy 104100000X · Licence 66815 (CA)
Social Worker Taxonomy 104100000X · Licence 84439 (CA)

Record details

NPI number1376914960
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedOctober 8, 2015
Last updated in NPPESMay 19, 2022
Certification dateMay 19, 2022
Mailing address39199 Liberty St, Fremont, CA 94538-1501

Other providers in Fremont