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

Mrs. Sorrel Madrona Isherwood, LCSW, MPH

Individual provider Clinical Social Worker · NPI 1730365263

Mrs. Sorrel Madrona Isherwood, LCSW, MPH is a Clinical Social Worker in Walnut Creek, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2008
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.
MPH — Master of Public Health
A graduate degree in population health.

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Practice location Address checks out

1547 Palos Verdes Mall Ste 437
Walnut Creek, CA 94597-2228
Phone: (925) 595-4699
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 21661 (CA)

Record details

NPI number1730365263
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW , MPH
Sole proprietorYes
NPI enumeratedJanuary 15, 2008
Last updated in NPPESJanuary 15, 2008

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