Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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MS. Melissa M Garthwaite, MA, LMHC

Individual provider Mental Health Counselor · NPI 1891872057

MS. Melissa M Garthwaite, MA, LMHC is a Mental Health Counselor in Seattle, Washington. Practices as a sole proprietor. Licensed in Washington.

Licensed in
WA
In the registry since
2006
What do these letters mean?
MA — Master of Arts
A graduate arts degree.
LMHC — Licensed Mental Health Counselor
A licensed mental health counsellor; the title used in Florida, New York and Washington among others.

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Practice location Address checks out

311 1st Ave S Ste 301
Seattle, WA 98104-2537
Phone: (206) 280-3682
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence LH00008591 (WA)

Record details

NPI number1891872057
Entity typeIndividual (Type 1)
GenderFemale
Credentials MA , LMHC
Sole proprietorYes
NPI enumeratedNovember 1, 2006
Last updated in NPPESJuly 8, 2007

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