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

Mr. David Willem Jillson, MA

Individual provider Mental Health Counselor · NPI 1033516273

Mr. David Willem Jillson, MA is a Mental Health Counselor in Bellevue, Washington. Practices as a sole proprietor. Licensed in Washington.

Licensed in
WA
In the registry since
2014
What do these letters mean?
MA — Master of Arts
A graduate arts degree.

See every abbreviation used in this directory →

Practice location Address checks out

1160 140th Ave NE Ste F
Bellevue, WA 98005-2978
Phone: (425) 637-1289
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 60494723 (WA)

Record details

NPI number1033516273
Entity typeIndividual (Type 1)
GenderMale
Credentials MA
Sole proprietorYes
NPI enumeratedDecember 3, 2014
Last updated in NPPESOctober 5, 2020
Certification dateOctober 5, 2020

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