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

Sienna Elizabeth Stewart

Individual provider Behavior Technician · NPI 1285319699

Sienna Elizabeth Stewart is a Behavior Technician in Irvine, California. Practices as a sole proprietor. Registered with an NPI since 2023.

In the registry since
2023

Practice location Address checks out

16800 Aston Ste 175
Irvine, CA 92606-4820
Phone: (949) 466-9601
Show map & directions

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

Specialties & licences

Behavior Technician (primary) Taxonomy 106S00000X

Record details

NPI number1285319699
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedJune 21, 2023
Last updated in NPPESJune 21, 2023
Certification dateJune 21, 2023

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