DR. CHUN K. RYU M.D.
NPI 1972775252
Psychiatry & Neurology - Psychiatry in Santa Ana, CA

Q: What is Chun Ryu's NPI number?

The NPI number for Chun Ryu is 1972775252. It was assigned to this individual provider in the NPPES registry on March 27, 2008.

Q: What is Chun Ryu's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Q: When was this NPI record last updated?

The NPPES record for Chun Ryu was last updated on October 9, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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 27, 2008

1633 E 4TH ST, SANTA ANA, CA 92701(714) 543-4447(714) 543-4488 Get Directions Write a Review

NPPES record last updated: October 9, 2008. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Dr. Chun K. Ryu M.d. NPPES

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

DR. CHUN K. RYU M.D. (NPI 1972775252) is an individual psychiatry provider in Santa Ana, California, licensed in California (A25717) and active in the NPI registry since March 2008.

NPPES Registry Identity

NPI1972775252

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameDR. CHUN K. RYUCredential: M.D.

Location Address1633 E 4TH STSanta Ana, CA 92701-5163

Mailing Address1633 E 4th StSanta Ana, CA 92701-5163 · (714) 543-4447 · Fax (714) 543-4488

Phone(714) 543-4447

Fax(714) 543-4488

Sole ProprietorYes

Enumeration DateMarch 27, 2008

Last NPPES UpdateOctober 9, 2008

✔ NPI 1972775252 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in CA · A25717

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

1633 E 4TH ST, Santa Ana, CA 92701

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Other Identifiers 1

Medicare PINA25717CA

Other Providers at the Same Location NPPES 16

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

MRS. AMBER NICOLE MARINOFF M.A.

Counselor (Mental Health)

1633 E 4TH ST
SANTA ANA, CA 92701

Orange County (714) 565-2830

MR. GARY MICHAEL SIPIORA MFTI

Counselor (Mental Health)

1633 E 4TH ST, STE# 120
SANTA ANA, CA 92701

Orange County (714) 565-2830

DR. MICHELE MARIE RIGGS PSYD

Psychologist

1633 E 4TH ST, 120
SANTA ANA, CA 92701

Orange County (562) 544-0521

CHRISTINE GER LCSW

Community/Behavioral Health

1633 E 4TH ST
SANTA ANA, CA 92701

Orange County (714) 565-2830

CHUN K. RYU, M.D.

Psychiatry & Neurology (Psychiatry)

1633 E 4TH ST, 138
SANTA ANA, CA 92701

Orange County (714) 543-4447

ANTONIO REYES

Counselor (Addiction (Substance Use Disorder))

1633 E 4TH ST
SANTA ANA, CA 92701

Orange County (714) 565-2830

MR. TOBY SHANE MCCARTHY LMFT

Marriage & Family Therapist

1633 E 4TH ST, SUITE 120
SANTA ANA, CA 92701

Orange County (714) 565-2830

YMCA OF ORANGE COUNTY

Community/Behavioral Health

1633 E 4TH ST, SUITE 184
SANTA ANA, CA 92701

Orange County (714) 852-6004

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 Chun Ryu's NPI number?

The NPI number for Chun Ryu is 1972775252. It was assigned to this individual provider in the NPPES registry on March 27, 2008.

Where is Chun Ryu located?

Chun Ryu practices at 1633 E 4th St, Santa Ana, CA 92701. The listed phone number is (714) 543-4447.

What is Chun Ryu's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

When was this NPI record last updated?

The NPPES record for Chun Ryu was last updated on October 9, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.