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

Tess Sivak

Individual provider Addiction (Substance Use Disorder) Registered Nurse · NPI 1457838567

Tess Sivak is an Addiction (Substance Use Disorder) Registered Nurse in Portland, Oregon. Licensed in Oregon. Registered with an NPI since 2018.

Licensed in
OR
In the registry since
2018

Practice location Address checks out

1312 SW Washington St
Portland, OR 97205-2327
Phone: (503) 535-1151
Show map & directions

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

Specialties & licences

Addiction (Substance Use Disorder) Registered Nurse (primary) Taxonomy 163WA0400X · Licence 201805320RN (OR)

Record details

NPI number1457838567
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedJuly 20, 2018
Last updated in NPPESJuly 20, 2018
Mailing addressPo Box 3007, Portland, OR 97208-3007

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