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

Julianna L Blackstone, AMFT

Individual provider Mental Health Counselor · NPI 1487477485

Julianna L Blackstone, AMFT is a Mental Health Counselor in Ontario, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2024
Specialties on file
3

Practice location Address checks out

3200 E Guasti Rd Ste 100
Ontario, CA 91761-8661
Phone: (909) 757-4335
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 145819 (CA)
Mental Health Counselor Taxonomy 101YM0800X
Counselor Taxonomy 101Y00000X

Record details

NPI number1487477485
Entity typeIndividual (Type 1)
GenderFemale
Credentials AMFT
Sole proprietorYes
NPI enumeratedNovember 7, 2024
Last updated in NPPESFebruary 19, 2025
Certification dateFebruary 19, 2025

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