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

Tristen Sierra Litterio

Individual provider Clinical Social Worker · NPI 1326769183

Tristen Sierra Litterio is a Clinical Social Worker in Portland, Oregon. Practices as a sole proprietor and works from 2 locations. Licensed in Oregon.

Licensed in
OR
In the registry since
2022

Practice location Address checks out

1110 SE Alder St Ste 301
Portland, OR 97214-2400
Phone: (503) 404-3637
Show map & directions

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

Additional practice locations (1)

  • 6902 Se Lake Rd Ste 203, Portland, OR 97267-2148 — (503) 404-3637

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence L17312 (OR)

Record details

NPI number1326769183
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedSeptember 8, 2022
Last updated in NPPESNovember 18, 2025
Certification dateNovember 18, 2025

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