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

Daisy Guillen Fonseca

Individual provider Behavior Technician · NPI 1699633412

Daisy Guillen Fonseca is a Behavior Technician in San Diego, California. Registered with an NPI since 2026.

In the registry since
2026
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Practice location PO Box

The provider listed a PO Box rather than a street location, so this is not a walk-in address.

PO Box 33568
San Diego, CA 92163-3568
Phone: (855) 223-7123
Fax: (619) 374-7134
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Behavior Technician (primary) Taxonomy 106S00000X

Record details

NPI number1699633412
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedJanuary 12, 2026
Last updated in NPPESJanuary 12, 2026
Certification dateJanuary 12, 2026

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