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

Mary Jane Gassert, MS, LMFT

Individual provider Marriage & Family Therapist · NPI 1235284241

Mary Jane Gassert, MS, LMFT is a Marriage & Family Therapist in Renton, Washington. Practices as a sole proprietor. Licensed in Washington.

Licensed in
WA
In the registry since
2007
What do these letters mean?
MS — Master of Science
A graduate science degree.
LMFT — Licensed Marriage and Family Therapist
A therapist licensed to treat couples and families.

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Practice location Address checks out

321 Burnett Ave S # 207
Renton, WA 98055-2558
Phone: (206) 920-2016
Fax: (425) 430-8113
Show map & directions

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

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence LF00002036 (WA)

Record details

NPI number1235284241
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , LMFT
Sole proprietorYes
NPI enumeratedJanuary 23, 2007
Last updated in NPPESJuly 8, 2007
Mailing address321 Burnett Ave S # 207, Renton, WA 98055-2558

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