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

YOANNA ISHAK PSYD
NPI 1720653892
Psychologist - Clinical in Orange, CA

Q: What is Yoanna Ishak's NPI number?

The NPI number for Yoanna Ishak is 1720653892. It was assigned to this individual provider in the NPPES registry on May 21, 2021.

Q: What is Yoanna Ishak's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Q: When was this NPI record last updated?

The NPPES record for Yoanna Ishak was last updated on November 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.

Active since May 21, 2021

1201 W LA VETA AVE, ORANGE, CA 92868(714) 509-8481 Get Directions Write a Review

NPPES record last updated: November 4, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Nov 4, 2026, Aug 24, 2026, Jul 22, 2026 and 1 more (4 updates tracked since 2021).

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About Yoanna Ishak Psyd NPPES

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

YOANNA ISHAK PSYD (NPI 1720653892) is an individual clinical provider in Orange, California, licensed in California (PSY37092) and active in the NPI registry since May 2021.

NPPES Registry Identity

NPI1720653892

Entity TypeIndividualFemale

Primary Taxonomy103TC0700X

Provider Legal NameYOANNA ISHAKCredential: PSYD

Location Address1201 W LA VETA AVEOrange, CA 92868-4203

Mailing Address1201 W La Veta AveOrange, CA 92868-4203 · (714) 509-8481

Phone(714) 509-8481

Sole ProprietorNo

Enumeration DateMay 21, 2021

Last NPPES UpdateNovember 4, 20264 updates tracked since enumeration

NPPES CertifiedNovember 4, 2026

✔ NPI 1720653892 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code103TC0700X

License✔ Licensed in CA · PSY37092

Definition

A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

1201 W LA VETA AVE, Orange, CA 92868

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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.

TRISHA JACKSON

Social Worker

1201 W LA VETA AVE
ORANGE, CA 92868

Orange County (714) 509-8521

CHILDREN'S HOSPITAL OF ORANGE COUNTY

Neurological Surgery

1201 W LA VETA AVE
ORANGE, CA 92868

Orange County (714) 509-8649

JULIAN THOMAS MD

Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)

1201 W LA VETA AVE
ORANGE, CA 92868

Orange County (714) 509-7601

DR. GEOFFREY CARSON CHENG MD

Pediatrics (Pediatric Hematology-Oncology)

1201 W LA VETA AVE
ORANGE, CA 92868

Orange County (714) 509-8636

BRIANNA JOY LEYDEN

Student in an Organized Health Care Education/Training Program

1201 W LA VETA AVE
ORANGE, CA 92868

Orange County (714) 997-3000

DR. MARNI CARMELA SWITKIN NAGEL PH.D.

Psychologist (Clinical Child & Adolescent)

1201 W LA VETA AVE, 503
ORANGE, CA 92868

Orange County (714) 532-8481

DR. DAINA DREIMANE MD

Pediatrics (Pediatric Endocrinology)

1201 W LA VETA AVE
ORANGE, CA 92868

Orange County (888) 770-2462

DR. SHARIEF KHALIL TARAMAN M.D.

Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)

1201 W LA VETA AVE, CHILDREN'S HOSPITAL OF ORANGE COUNTY, NEUROLOGY
ORANGE, CA 92868

Orange County (714) 509-7601

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 Yoanna Ishak's NPI number?

The NPI number for Yoanna Ishak is 1720653892. It was assigned to this individual provider in the NPPES registry on May 21, 2021.

Where is Yoanna Ishak located?

Yoanna Ishak practices at 1201 W La Veta Ave, Orange, CA 92868. The listed phone number is (714) 509-8481.

What is Yoanna Ishak's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

When was this NPI record last updated?

The NPPES record for Yoanna Ishak was last updated on November 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.