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

Lisa C Diaz, AMFT

Individual provider Marriage & Family Therapist · NPI 1659177343

Lisa C Diaz, AMFT is a Marriage & Family Therapist in Ontario, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2025

Practice location Address checks out

3281 E Guasti Rd # 713
Ontario, CA 91761-7622
Phone: (909) 600-8134
Show map & directions

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

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence 153089 (CA)

Record details

NPI number1659177343
Entity typeIndividual (Type 1)
GenderFemale
Credentials AMFT
Sole proprietorYes
NPI enumeratedFebruary 22, 2025
Last updated in NPPESSeptember 12, 2025
Certification dateSeptember 12, 2025

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