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

Mary Ann Riggs, LICSW

Individual provider Clinical Social Worker · NPI 1699711184

Mary Ann Riggs, LICSW is a Clinical Social Worker in Friday Harbor, Washington. Licensed in Washington. Registered with an NPI since 2006.

Licensed in
WA
In the registry since
2006
What do these letters mean?
LICSW — Licensed Independent Clinical Social Worker
The title some states use for an independently practising clinical social worker.

See every abbreviation used in this directory →

Practice location Address checks out

520 Spring St
Friday Harbor, WA 98250-8057
Phone: (360) 378-2669
Fax: (360) 378-5669
Show map & directions

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

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence LW00005476 (WA)

Record details

NPI number1699711184
Entity typeIndividual (Type 1)
GenderFemale
Credentials LICSW
Sole proprietorNo
NPI enumeratedJune 22, 2006
Last updated in NPPESJuly 13, 2026

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