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

Cassandra Sieg

Individual provider Psychologist · NPI 1528300399

Cassandra Sieg is a Psychologist in Salem, Oregon. Practices as a sole proprietor and works from 3 locations. Registered with an NPI since 2013.

In the registry since
2013

Practice location Address checks out

454 17th St NE
Salem, OR 97301-4223
Phone: (503) 231-7854
Show map & directions

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

Additional practice locations (2)

  • 1 Wahoo Ave, Groton, CT 06349-2324 — (860) 694-4966
  • 414 N Meridian St, Newberg, OR 97132-2697 — (503) 538-3838

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X

Record details

NPI number1528300399
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedMarch 20, 2013
Last updated in NPPESMay 12, 2020
Certification dateMay 12, 2020
Mailing address5200 Sw Macadam Ave Ste 580, Portland, OR 97239-3837

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