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

Maria C Leggio, MSW

Individual provider Social Worker · NPI 1528535473

Maria C Leggio, MSW is a Social Worker in Seattle, Washington. Practices as a sole proprietor. Licensed in Washington.

Licensed in
WA
In the registry since
2018
Specialties on file
3
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.

See every abbreviation used in this directory →

Practice location Address checks out

2600 SW Holden St
Seattle, WA 98126-3505
Phone: (206) 933-7190
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 SC60658949 (WA)
Social Worker Taxonomy 104100000X
Clinical Social Worker Taxonomy 1041C0700X · Licence SC60658949 (WA)

Record details

NPI number1528535473
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW
Sole proprietorYes
NPI enumeratedOctober 30, 2018
Last updated in NPPESOctober 30, 2018

Other providers in Seattle