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

Jill Elizabeth Maroscia, LCSW

Individual provider Clinical Social Worker · NPI 1588900021

Jill Elizabeth Maroscia, LCSW is a Clinical Social Worker in Seattle, Washington. Works from 3 locations. Licensed in Arizona, Illinois, Nevada and Washington.

Licensed in
AZ, IL, NV, WA
In the registry since
2013
Specialties on file
5
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

1200 12th Ave S
Seattle, WA 98144-2712
Phone: (206) 326-2400
Fax: (206) 621-4434
Show map & directions

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

Additional practice locations (2)

  • 19636 N 27th Ave #106, Phoenix, AZ 85027 — (480) 712-4600
  • 3601 S 6th Ave, Tucson, AZ 85723-0001 — (520) 792-1450

Specialties & licences

Social Worker (primary) Taxonomy 104100000X · Licence LW61565087 (WA)
Clinical Social Worker Taxonomy 1041C0700X · Licence 8504-C (NV)
Clinical Social Worker Taxonomy 1041C0700X · Licence 18829 (AZ)
Social Worker Taxonomy 104100000X · Licence LMSW13646 (AZ)
Clinical Social Worker Taxonomy 1041C0700X · Licence 149020716 (IL)

Record details

NPI number1588900021
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedJanuary 2, 2013
Last updated in NPPESMay 14, 2025
Certification dateMay 14, 2025

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