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

Gavin O'Sullivan

Individual provider Clinical Social Worker · NPI 1588782593

Gavin O'Sullivan is a Clinical Social Worker in Colfax, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2007

Practice location Address checks out

840 Old Grass Valley Rd
Colfax, CA 95713-9407
Phone: (530) 217-3575
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence LCSW69682 (CA)

Record details

NPI number1588782593
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedMarch 27, 2007
Last updated in NPPESNovember 18, 2025
Certification dateNovember 18, 2025
Mailing addressPo Box 133, Colfax, CA 95713-0133

Other providers in Colfax