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

Thelonius Stephen Ferland Yardley

Individual provider Behavior Technician · NPI 1124894696

Thelonius Stephen Ferland Yardley is a Behavior Technician in Petaluma, California. Registered with an NPI since 2023.

In the registry since
2023

Practice location Address checks out

1425 N McDowell Blvd Ste 206
Petaluma, CA 94954-6525
Phone: (855) 223-7123
Fax: (619) 374-7134
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 number1124894696
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedNovember 27, 2023
Last updated in NPPESNovember 27, 2023
Certification dateNovember 27, 2023

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