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

Individual provider Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist · NPI 1912993734

Dr. Marc Douglas Johnston, PHARMD is a Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist in Clackamas, Oregon. Licensed in Nevada and Oregon. Registered with an NPI since 2005.

Licensed in
NV, OR
In the registry since
2005
Specialties on file
2
What do these letters mean?
PHARMD — Doctor of Pharmacy
The professional degree required to practise as a pharmacist in the United States.

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Practice location Address checks out

15335 SE Hidden Falls Dr
Clackamas, OR 97015
Phone: (775) 846-8860
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist (primary) Taxonomy 1835P0018X · Licence RPH0012717 (OR)
Pharmacotherapy Pharmacist Taxonomy 1835P1200X · Licence NV14071 (NV)

Record details

NPI number1912993734
Entity typeIndividual (Type 1)
GenderMale
Credentials PHARMD
Sole proprietorNo
NPI enumeratedSeptember 27, 2005
Last updated in NPPESDecember 31, 2015

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