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

Davette Williams Castille, BCBA

Individual provider Behavior Analyst · NPI 1881191120

Davette Williams Castille, BCBA is a Behavior Analyst in Ontario, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2018
What do these letters mean?
BCBA — Board Certified Behavior Analyst
Designs and supervises applied behaviour analysis programmes, often for autism.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

3865 S Oasis Paseo Unit 82
Ontario, CA 91761-2760
Phone: (909) 736-8344
Fax: (909) 804-6414
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Behavior Analyst (primary) Taxonomy 103K00000X · Licence 1-21-56437 (CA)

Record details

NPI number1881191120
Entity typeIndividual (Type 1)
GenderFemale
Credentials BCBA
Sole proprietorYes
NPI enumeratedApril 12, 2018
Last updated in NPPESJuly 23, 2026
Certification dateJuly 23, 2026

Other providers in Ontario