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

Jay C Williamson, MA

Individual provider Mental Health Counselor · NPI 1417150491

Jay C Williamson, MA is a Mental Health Counselor in Bellevue, Washington. Practices as a sole proprietor. Licensed in Washington.

Licensed in
WA
In the registry since
2007
Specialties on file
2
What do these letters mean?
MA — Master of Arts
A graduate arts degree.

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Practice location Address checks out

13606 NE 20th St Ste 104
Bellevue, WA 98005-2011
Phone: (425) 643-2383
Fax: (425) 795-7143
Show map & directions

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

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence LH00005269 (WA)
Marriage & Family Therapist Taxonomy 106H00000X · Licence LF00001189 (WA)

Record details

NPI number1417150491
Entity typeIndividual (Type 1)
GenderMale
Credentials MA
Sole proprietorYes
NPI enumeratedJune 7, 2007
Last updated in NPPESSeptember 11, 2025
Mailing address13606 Ne 20th St, Suite 104, Bellevue, WA 98005-2011

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