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

Katherine Crouch, LCSW

Individual provider Clinical Social Worker · NPI 1801384862

Katherine Crouch, LCSW is a Clinical Social Worker in Mercer Island, Washington. Qualified in 1991, 35 years ago. Practices as a sole proprietor, accepts Medicare assignment and offers telehealth. Licensed in Washington.

Years since qualifying
35
Licensed in
WA
In the registry since
2018
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

See every abbreviation used in this directory →

Practice location Address checks out

9725 SE 36th St Ste 403
Mercer Island, WA 98040-3840
Phone: (425) 589-2526
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 60613010 (WA)

Record details

NPI number1801384862
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedApril 25, 2018
Last updated in NPPESApril 28, 2020
Certification dateApril 28, 2020
Mailing address9725 Se 36th St Ste 403, Mercer Island, WA 98040-3840

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1991 (35 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Mercer Island