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

Olivia Mattus, CPC

Individual provider Counselor · NPI 1790262202

Olivia Mattus, CPC is a Counselor in Longview, Washington. Licensed in Washington. Registered with an NPI since 2018.

Licensed in
WA
In the registry since
2018
Specialties on file
2
What do these letters mean?
CPC — Certified Professional Coder
A medical coding credential, not a clinical one.

See every abbreviation used in this directory →

Practice location Address checks out

748 14th Ave
Longview, WA 98632
Phone: (360) 200-5419
Fax: (360) 200-6736
Show map & directions

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

Specialties & licences

Peer Specialist (primary) Taxonomy 175T00000X · Licence 60871230 (WA)
Counselor Taxonomy 101Y00000X

Record details

NPI number1790262202
Entity typeIndividual (Type 1)
GenderFemale
Credentials CPC
Sole proprietorNo
NPI enumeratedJuly 26, 2018
Last updated in NPPESNovember 13, 2020
Certification dateNovember 13, 2020
Mailing addressPo Box 2394, Longview, WA 98632

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