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

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