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

MS. Gizella Thersa Firtha

Individual provider Behavior Technician · NPI 1265062863

MS. Gizella Thersa Firtha is a Behavior Technician in Apple Valley, California. Practices as a sole proprietor. Registered with an NPI since 2020.

In the registry since
2020

Practice location Address checks out

19195 US Highway 18 Ste 104
Apple Valley, CA 92307-2562
Phone: (888) 557-1305
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 number1265062863
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedJanuary 22, 2020
Last updated in NPPESJanuary 23, 2020
Certification dateJanuary 23, 2020

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