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

Mr. Mark William Douglass, LPC

Individual provider Professional Counselor · NPI 1023283660

Mr. Mark William Douglass, LPC is a Professional Counselor in Clackamas, Oregon. Practices as a sole proprietor. Licensed in Oregon.

Licensed in
OR
In the registry since
2008
Specialties on file
2
What do these letters mean?
LPC — Licensed Professional Counselor
A licensed mental health counsellor.

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Practice location Address checks out

10180 SE Sunnyside Rd
Clackamas, OR 97015-8970
Phone: (503) 517-0878
Fax: (503) 517-0866
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Professional Counselor (primary) Taxonomy 101YP2500X · Licence C2839 (OR)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X · Licence 18-03-14 (OR)

Record details

NPI number1023283660
Entity typeIndividual (Type 1)
GenderMale
Credentials LPC
Sole proprietorYes
NPI enumeratedApril 24, 2008
Last updated in NPPESNovember 24, 2023
Certification dateNovember 24, 2023
Mailing address10180 Se Sunnyside Rd, Clackamas, OR 97015-8970

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