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

Mr. Dave N. Knowles, MA, LPC, CADCI

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1336288687

Mr. Dave N. Knowles, MA, LPC, CADCI is an Addiction (Substance Use Disorder) Counselor in Portland, Oregon. Practices as a sole proprietor. Licensed in Oregon.

Licensed in
OR
In the registry since
2007
Specialties on file
2
What do these letters mean?
MA — Master of Arts
A graduate arts degree.
LPC — Licensed Professional Counselor
A licensed mental health counsellor.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

1820 SW Vermont St Ste J
Portland, OR 97219-1945
Phone: (503) 720-5293
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence C2223 (OR)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X

Record details

NPI number1336288687
Entity typeIndividual (Type 1)
GenderMale
Credentials MA , LPC , CADCI
Sole proprietorYes
NPI enumeratedFebruary 5, 2007
Last updated in NPPESMarch 20, 2013

Other providers in Portland