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

McKenzie L Sienkiewich

Individual provider Behavior Analyst · NPI 1124673934

McKenzie L Sienkiewich is a Behavior Analyst in Spanaway, Washington. Licensed in Washington. Registered with an NPI since 2019.

Licensed in
WA
In the registry since
2019

Practice location Address checks out

27421 30th Ave E
Spanaway, WA 98387
Phone: (253) 341-2835
Show map & directions

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

Specialties & licences

Behavior Analyst (primary) Taxonomy 103K00000X · Licence RBT-19-9158 (WA)

Record details

NPI number1124673934
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedAugust 8, 2019
Last updated in NPPESNovember 6, 2024

Other providers in Spanaway