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

William Sommer

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1427910934

William Sommer is an Addiction (Substance Use Disorder) Counselor in Eugene, Oregon. Licensed in Oregon. Registered with an NPI since 2025.

Licensed in
OR
In the registry since
2025

Practice location Address checks out

1420 Green Acres Rd
Eugene, OR 97408-1791
Phone: (541) 762-4500
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X (OR)

Record details

NPI number1427910934
Entity typeIndividual (Type 1)
GenderNot disclosed
Sole proprietorNo
NPI enumeratedDecember 2, 2025
Last updated in NPPESDecember 2, 2025
Certification dateDecember 2, 2025
Mailing address687 Cheshire Ave, Eugene, OR 97402-5060

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