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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

CRYSTAL LEILA HATSUMI ISHIHARA
NPI 1245076033
Marriage & Family Therapist in Garden Grove, CA

Active since July 02, 2024
12966 EUCLID ST STE 495, GARDEN GROVE, CA 92840(323) 741-4744 Get Directions Write a Review

NPPES record last updated: July 2, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Crystal Leila Hatsumi Ishihara NPPES

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

CRYSTAL LEILA HATSUMI ISHIHARA (NPI 1245076033) is an individual marriage & family therapist in Garden Grove, California and active in the NPI registry since July 2024. She maintains a secondary practice location in Garden Grove.

NPPES Registry Identity

NPI1245076033
Entity TypeIndividualFemale
Primary Taxonomy106H00000X
Provider Legal NameCRYSTAL LEILA HATSUMI ISHIHARA
Location Address12966 EUCLID ST STE 495Garden Grove, CA 92840-9209
Mailing Address1633 E 4th St Ste 150Santa Ana, CA 92701-5170 · (323) 741-4744
Phone(323) 741-4744
Sole ProprietorYes
Enumeration DateJuly 2, 2024
Last NPPES UpdateJuly 2, 2026
NPPES CertifiedJuly 2, 2026
✔ NPI 1245076033 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers
Taxonomy Code106H00000X
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.
12966 EUCLID ST STE 495, Garden Grove, CA 92840
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Secondary Practice Location 1

Location 112912 Brookhurst St Ste 420Garden Grove, CA 92840-4849 · Phone (323) 741-4744

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.

TIFFANY NGUYEN
Marriage & Family Therapist
12966 EUCLID ST STE 495
GARDEN GROVE, CA 92840
Orange County (714) 461-3687
MAI THY VO
Rehabilitation Practitioner
12966 EUCLID ST STE 495
GARDEN GROVE, CA 92840
Orange County (714) 461-3687
CHRISTINE NGOCHAN LE
Community Health Worker
12966 EUCLID ST STE 495
GARDEN GROVE, CA 92840
Orange County (714) 461-3687
TIFFANY GO NG
Marriage & Family Therapist
12966 EUCLID ST STE 495
GARDEN GROVE, CA 92840
Orange County (714) 461-3687
KELLY TRAN NGUYEN
Rehabilitation Practitioner
12966 EUCLID ST STE 495
GARDEN GROVE, CA 92840
Orange County (714) 461-3687
MATTHEW PHAM
Day Training/Habilitation Specialist
12966 EUCLID ST STE 495
GARDEN GROVE, CA 92840
Orange County (714) 461-3687
DUNG PHAM
Peer Specialist
12966 EUCLID ST STE 495
GARDEN GROVE, CA 92840
Orange County (714) 461-3687
MS. MINH NGOC PHUONG VO
Marriage & Family Therapist
12966 EUCLID ST STE 495
GARDEN GROVE, CA 92840
Orange County (714) 461-3687

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 Crystal Ishihara's NPI number?

The NPI number for Crystal Ishihara is 1245076033. It was assigned to this individual provider in the NPPES registry on July 2, 2024.

Where is Crystal Ishihara located?

Crystal Ishihara practices at 12966 Euclid St Ste 495, Garden Grove, CA 92840. The listed phone number is (323) 741-4744.

What is Crystal Ishihara'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 Crystal Ishihara was last updated on July 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 41 days 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.