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

Matthew Simpson, LMHC

Individual provider Behavior Technician · NPI 1609425420

Matthew Simpson, LMHC is a Behavior Technician in Bellevue, Washington. Practices as a sole proprietor. Licensed in Washington.

Licensed in
WA
In the registry since
2019
Specialties on file
2
What do these letters mean?
LMHC — Licensed Mental Health Counselor
A licensed mental health counsellor; the title used in Florida, New York and Washington among others.

See every abbreviation used in this directory →

Practice location Address checks out

1400 112th Ave SE Ste 100
Bellevue, WA 98004-6901
Phone: (208) 620-9791
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 LH61238290 (WA)
Behavior Technician Taxonomy 106S00000X

Record details

NPI number1609425420
Entity typeIndividual (Type 1)
GenderMale
Credentials LMHC
Sole proprietorYes
NPI enumeratedSeptember 4, 2019
Last updated in NPPESAugust 4, 2025
Certification dateAugust 4, 2025
Mailing address720 Seneca St Ste 107, Seattle, WA 98101-3265

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