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

Patricia Diane Sewell, PHD

Individual provider Mental Health Counselor · NPI 1124015177

Patricia Diane Sewell, PHD is a Mental Health Counselor in Burien, Washington. Practices as a sole proprietor. Licensed in Washington.

Licensed in
WA
In the registry since
2005
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

2809 SW 171st St
Burien, WA 98166-3268
Phone: (206) 399-5942
Fax: (206) 444-0585
Show map & directions

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

Specialties & licences

Professional Counselor (primary) Taxonomy 101YP2500X · Licence RC00049754 (WA)
Mental Health Counselor Taxonomy 101YM0800X · Licence HP10001373 (WA)

Record details

NPI number1124015177
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedOctober 4, 2005
Last updated in NPPESOctober 1, 2012

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