MARGRETA KLASSEN PHD
NPI 1255455176
Psychologist - Clinical in Santa Ana, CA

Q: What is Margreta Klassen's NPI number?

The NPI number for Margreta Klassen is 1255455176. It was assigned to this individual provider in the NPPES registry on March 17, 2007.

Q: What is Margreta Klassen'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 Margreta Klassen was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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 March 17, 2007

20371 IRVINE AVE, STE A160, SANTA ANA, CA 92707(714) 540-5010(714) 540-5020 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Margreta Klassen Phd NPPES

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

MARGRETA KLASSEN PHD (NPI 1255455176) is an individual clinical provider in Santa Ana, California, licensed in California (PSY14581) and active in the NPI registry since March 2007.

NPPES Registry Identity

NPI1255455176

Entity TypeIndividualFemale

Primary Taxonomy103TC0700X

Provider Legal NameMARGRETA KLASSENCredential: PHD

Location Address20371 IRVINE AVE, STE A160Santa Ana, CA 92707-5651

Mailing Address20371 Irvine Ave, Ste A160Santa Ana, CA 92707-5651 · (714) 540-5010 · Fax (714) 540-5020

Phone(714) 540-5010

Fax(714) 540-5020

Sole ProprietorYes

Enumeration DateMarch 17, 2007

Last NPPES UpdateJuly 8, 2007

✔ NPI 1255455176 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 · PSY14581

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.

20371 IRVINE AVE, Santa Ana, CA 92707

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Other Providers at the Same Location NPPES 9

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

KIMBERLY D BOVA PHD

Psychologist (Clinical)

20371 IRVINE AVE, STE A160
SANTA ANA, CA 92707

Orange County (714) 540-5010

DR. GERALD JOSEPH GROSSO PSYD

Marriage & Family Therapist

20371 IRVINE AVE, #A106
SANTA ANA, CA 92707

Orange County (949) 722-1146

MYRA K. HOOVER M.A., LMFT

Marriage & Family Therapist

20371 IRVINE AVE, SUITE A-160
SANTA ANA, CA 92707

Orange County (714) 528-2006

LESLIE J RENNICK MFT

Marriage & Family Therapist

20371 IRVINE AVE, STE A160
SANTA ANA, CA 92707

Orange County (714) 540-5010

DOUGLAS E. HARRINGTON, PH.D. INC.

Psychologist (School)

20371 IRVINE AVE, SUITE A-160
SANTA ANA, CA 92707

Orange County (949) 752-6141

KERRY K DELK, PHD, INCORPORATED

Psychologist (Clinical)

20371 IRVINE AVE, STE A160
SANTA ANA, CA 92707

Orange County (714) 540-5010

MARY EMILY GEORGE MFT

Marriage & Family Therapist

20371 IRVINE AVE, STE A160
SANTA ANA, CA 92707

Orange County (714) 540-5010

JEANNE C OBRYAN MFT

Marriage & Family Therapist

20371 IRVINE AVE, STE A160
SANTA ANA, CA 92707

Orange County (714) 540-5010

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 Margreta Klassen's NPI number?

The NPI number for Margreta Klassen is 1255455176. It was assigned to this individual provider in the NPPES registry on March 17, 2007.

Where is Margreta Klassen located?

Margreta Klassen practices at 20371 Irvine Ave Ste A160, Santa Ana, CA 92707. The listed phone number is (714) 540-5010.

What is Margreta Klassen'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 Margreta Klassen was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.