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JULIANNA L BLACKSTONE AMFT
NPI 1487477485
Marriage & Family Therapist in Ontario, CA

Active since November 07, 2024
3200 E GUASTI RD STE 100, ONTARIO, CA 91761(909) 757-4335 Get Directions Write a Review

NPPES record last updated: February 19, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Feb 19, 2025, Nov 7, 2024 (2 updates tracked since 2024).

About Julianna L Blackstone Amft NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JULIANNA L BLACKSTONE AMFT (NPI 1487477485) is an individual marriage & family therapist in Ontario, California, licensed in California (145819) and active in the NPI registry since November 2024.

NPPES Registry Identity

NPI1487477485
Entity TypeIndividualFemale
Primary Taxonomy106H00000X
Provider Legal NameJULIANNA L BLACKSTONECredential: AMFT
Location Address3200 E GUASTI RD STE 100Ontario, CA 91761-8661
Mailing Address3200 E Guasti Rd Ste 100Ontario, CA 91761-8661 · (909) 757-4335
Phone(909) 757-4335
Sole ProprietorYes
Enumeration DateNovember 7, 2024
Last NPPES UpdateFebruary 19, 20252 updates tracked since enumeration
NPPES CertifiedFebruary 19, 2025
✔ NPI 1487477485 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers
Taxonomy Code106H00000X
License✔ Licensed in CA · 145819
Definition
A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.
Also ListedCounselorTaxonomy 101Y00000X
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X
3200 E GUASTI RD STE 100, Ontario, CA 91761
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

BRIANNA MAE CASTILLO
Behavior Technician
3200 E GUASTI RD STE 100
ONTARIO, CA 91761
San Bernardino County (909) 240-2565
GABRIELA CARACHURE
Behavior Technician
3200 E GUASTI RD STE 100
ONTARIO, CA 91761
San Bernardino County (909) 304-1039
MANUEL EDWARD RAMIREZ BA
Behavior Analyst
3200 E GUASTI RD STE 100
ONTARIO, CA 91761
San Bernardino County (949) 229-6807
QUALITYAMBITIONS
Case Management
3200 E GUASTI RD STE 100
ONTARIO, CA 91761
San Bernardino County (626) 463-8998
MANUEL RICARADO CORPUS
Behavior Technician
3200 E GUASTI RD STE 100
ONTARIO, CA 91761
San Bernardino County (909) 304-1039
AMANDA NICOLE ARANA
Marriage & Family Therapist
3200 E GUASTI RD STE 100
ONTARIO, CA 91761
San Bernardino County (909) 486-3228
DELORES PICOU
Marriage & Family Therapist
3200 E GUASTI RD STE 100
ONTARIO, CA 91761
San Bernardino County (909) 559-3462
MISS CYNTHIA PENA
Behavior Technician
3200 E GUASTI RD STE 100
ONTARIO, CA 91761
San Bernardino County (909) 304-1039

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Julianna Blackstone's NPI number?

The NPI number for Julianna Blackstone is 1487477485. It was assigned to this individual provider in the NPPES registry on November 7, 2024.

Where is Julianna Blackstone located?

Julianna Blackstone practices at 3200 E Guasti Rd Ste 100, Ontario, CA 91761. The listed phone number is (909) 757-4335.

What is Julianna Blackstone's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

When was this NPI record last updated?

The NPPES record for Julianna Blackstone was last updated on February 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.