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

Dr. Neff Russell Breen, MD

Individual provider Psychiatry Physician · NPI 1881795300

Dr. Neff Russell Breen, MD is a Psychiatry Physician in Portland, Oregon. Practices as a sole proprietor. Licensed in Oregon.

Licensed in
OR
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

3550 N Interstate Ave Dept OF Psychiatry
Portland, OR 97227-1196
Phone: (503) 331-5216
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence MD24938 (OR)

Record details

NPI number1881795300
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedSeptember 26, 2006
Last updated in NPPESJuly 8, 2007
Mailing address3550 N Interstate Ave, Department Of Psychiatry, Portland, OR 97227-1196

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