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

Nancy D Colvin, LCSW

Individual provider Clinical Social Worker · NPI 1891028163

Nancy D Colvin, LCSW is a Clinical Social Worker in Petaluma, California. Licensed in California. Registered with an NPI since 2009.

Licensed in
CA
In the registry since
2009
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 →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

1301 Southpoint Blvd
Petaluma, CA 94954-6858
Phone: (707) 559-7500
Fax: (707) 559-7510
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence LCS16435 (CA)

Record details

NPI number1891028163
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedSeptember 17, 2009
Last updated in NPPESSeptember 17, 2009

Other providers in Petaluma