IndividualActive
Marvin Seppala, M.D.
NPI 1548329055 · Addiction Medicine (Psychiatry & Neurology) Physician · Newberg, OR
Provider details
- NPI number
- 1548329055
- Entity type
- Individual
- Primary specialty
- Addiction Medicine (Psychiatry & Neurology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD15805 (OR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
1901 Esther St
Newberg, OR 97132-9529
Phone: (503) 554-4334
Street-level locationGet directions
Mailing address
23895 Sw Newland Rd
Wilsonville, OR 97070-6704
Registry dates
- Enumerated
- 2006-12-08
- Last updated
- 2007-07-08
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.