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

Dr. Kathleen Ann Longwell, PHD

Individual provider Psychologist · NPI 1215962758

Dr. Kathleen Ann Longwell, PHD is a Psychologist in Piedmont, California. Practices as a sole proprietor. Licensed in California and Washington.

Licensed in
CA, WA
In the registry since
2006
Specialties on file
2
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

75 Selborne Dr
Piedmont, CA 94611-3618
Phone: (510) 530-7300
Fax: (510) 530-6269
Show map & directions

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

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PSY13730 (CA)
Psychologist Taxonomy 103T00000X · Licence PY3473 (WA)

Record details

NPI number1215962758
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedJuly 12, 2006
Last updated in NPPESJuly 8, 2007

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