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
Mailing address1301 Southpoint Blvd, Petaluma, CA 94954-6858

Other providers in Petaluma