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

Dr. Marvin David Seppala, MD

Individual provider Addiction Medicine (Psychiatry & Neurology) Physician · NPI 1548329055

Dr. Marvin David Seppala, MD is an Addiction Medicine (Psychiatry & Neurology) Physician in Newberg, 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.

See every abbreviation used in this directory →

Practice location Address checks out

1901 Esther St
Newberg, OR 97132-9529
Phone: (503) 554-4334
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Addiction Medicine (Psychiatry & Neurology) Physician (primary) Taxonomy 2084A0401X · Licence MD15805 (OR)

Record details

NPI number1548329055
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedDecember 8, 2006
Last updated in NPPESJuly 8, 2007