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

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1831804327

Ernest Patrician Johnston, LCSW, CADCIII is a Clinical Social Worker in Portland, Oregon. Qualified in 2022, 4 years ago. Licensed in Oregon.

Years since qualifying
4
Licensed in
OR
In the registry since
2023
Specialties on file
2
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

33 NW Broadway
Portland, OR 97209-3580
Phone: (503) 228-7134
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X · Licence T-24-3445 (OR)
Clinical Social Worker Taxonomy 1041C0700X · Licence L16975 (OR)

Record details

NPI number1831804327
Entity typeIndividual (Type 1)
GenderNot disclosed
Credentials LCSW , CADCIII
Sole proprietorNo
NPI enumeratedJanuary 18, 2023
Last updated in NPPESSeptember 6, 2025
Certification dateSeptember 6, 2025

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2022 (4 years in practice)
Accepts Medicare assignment Not indicated

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