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

Kathryn Blackthorn, MSW, LCSW

Individual provider Clinical Social Worker · NPI 1922492347

Kathryn Blackthorn, MSW, LCSW is a Clinical Social Worker in El Dorado, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2015
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

See every abbreviation used in this directory →

Practice location PO Box

The provider listed a PO Box rather than a street location, so this is not a walk-in address.

PO Box 1362
El Dorado, CA 95623-1362
Phone: (916) 500-4188
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 LCSW76317 (CA)

Record details

NPI number1922492347
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW , LCSW
Sole proprietorYes
NPI enumeratedMarch 24, 2015
Last updated in NPPESFebruary 26, 2026
Certification dateFebruary 26, 2026