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

Dr. Sheila M Addison, PHD, LMFT

Individual provider Marriage & Family Therapist · NPI 1255539128

Dr. Sheila M Addison, PHD, LMFT is a Marriage & Family Therapist in Seattle, Washington. Practices as a sole proprietor. Licensed in California, Connecticut, Massachusetts and Oregon and 1 more.

Licensed in
CA, CT, MA, OR, WA
In the registry since
2007
Specialties on file
5
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.
LMFT — Licensed Marriage and Family Therapist
A therapist licensed to treat couples and families.

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Practice location Address checks out

3250 Airport Way S Ste 422
Seattle, WA 98134-2173
Phone: (510) 599-5467
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence 49616 (CA)
Marriage & Family Therapist Taxonomy 106H00000X · Licence 61067042 (WA)
Marriage & Family Therapist Taxonomy 106H00000X · Licence 1897-MH-MF (MA)
Marriage & Family Therapist Taxonomy 106H00000X · Licence T3610 (OR)
Marriage & Family Therapist Taxonomy 106H00000X · Licence 2765 (CT)

Record details

NPI number1255539128
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD , LMFT
Sole proprietorYes
NPI enumeratedJuly 3, 2007
Last updated in NPPESJune 5, 2026
Certification dateJune 5, 2026

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