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

Dr. Mark Gavin Dillon, PHD

Individual provider Psychologist · NPI 1295870038

Dr. Mark Gavin Dillon, PHD is a Psychologist in Portland, Oregon. Practices as a sole proprietor. Licensed in Oregon.

Licensed in
OR
In the registry since
2007
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

2720 NE 33rd Ave
Portland, OR 97212-3648
Phone: (503) 281-6162
Fax: (503) 284-1750
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 1722 (OR)

Record details

NPI number1295870038
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedFebruary 20, 2007
Last updated in NPPESSeptember 8, 2011
Mailing address2720 Ne 33rd Avenue, Portland, OR 97212

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