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KEVIN JOSHUA HYOCHAN CHUN MD
NPI 1053773028
Psychiatry & Neurology - Psychiatry in Orange, CA

Active since March 28, 2016PECOS Enrolled
301 THE CITY DR S, ORANGE, CA 92868(714) 935-6363 Get Directions Write a Review

NPPES record last updated: March 2, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 2, 2026, Jan 13, 2026, May 19, 2022 and 6 more (9 updates tracked since 2016).

About Kevin Joshua Hyochan Chun Md NPPES

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

KEVIN JOSHUA HYOCHAN CHUN MD (NPI 1053773028) is an individual psychiatry provider in Orange, California, licensed in California (A160620) and active in the NPI registry since March 2016. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1053773028
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameKEVIN JOSHUA HYOCHAN CHUNCredential: MD
Location Address301 THE CITY DR SOrange, CA 92868-3205
Mailing Address301 The City Dr SOrange, CA 92868-3205
Phone(714) 935-6363
Sole ProprietorNo
Enumeration DateMarch 28, 2016
Last NPPES UpdateMarch 2, 20269 updates tracked since enumeration
NPPES CertifiedMarch 2, 2026
✔ NPI 1053773028 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in CA · A160620
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.
Also ListedPsychiatry & Neurology · Child & Adolescent PsychiatryTaxonomy 2084P0804X · License A160620 (CA)
301 THE CITY DR S, Orange, CA 92868
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1725 Welch RdPalo Alto, CA 94304-1601 · Phone (800) 516-0975
Location 23545 Long Beach BlvdLong Beach, CA 90807-3941 · Phone (562) 490-7600

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Kevin Joshua Hyochan Chun Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Kevin Chun reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Faculty Physicians And Surgeons Of Llusm
11 mi
Internal Medicine
16305 SAND CANYON AVE, # 220
Irvine, CA 92618
  • Reassigned Medicare billing, California enrollment
  • 2,584 clinicians in this Medicare group
NPI 1417400573 (909) 558-2480

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92868 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$187.60 typical visit price
range $62.96 – $187.60
Typical copayment $46.90 (range $15.74 – $46.90)
Most-billed visit code 99205
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

ARCELIA LEA GOMEZ
Social Worker
301 THE CITY DR S
ORANGE, CA 92868
Orange County (714) 935-6363
MS. NANCY OSTOS PAULSEN
Marriage & Family Therapist
301 THE CITY DR S
ORANGE, CA 92868
Orange County (714) 935-6307
MR. FRANK ADOLFO GONZALEZ JR. M.A.
Counselor (Mental Health)
301 THE CITY DR S
ORANGE, CA 92868
Orange County (714) 935-6363
ALICIA NELSON
Student in an Organized Health Care Education/Training Program
301 THE CITY DR S
ORANGE, CA 92868
Orange County (714) 834-6620
JAMIE MELISSA LUGGER PSY.D.
Psychologist
301 THE CITY DR S
ORANGE, CA 92868
Orange County (714) 935-6706
ANTHONY STEVEN MEINERS
Psychologist
301 THE CITY DR S
ORANGE, CA 92868
Orange County (714) 935-6363
JAN MARIE AMICK LCSW
Social Worker (Clinical)
301 THE CITY DR S
ORANGE, CA 92868
Orange County (714) 795-0447
DR. AZAHAR LOPEZ ESCAMILLA PSY.D.
Psychologist (Clinical)
301 THE CITY DR S
ORANGE, CA 92868
Orange County (714) 801-3739

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 Kevin Chun's NPI number?

The NPI number for Kevin Chun is 1053773028. It was assigned to this individual provider in the NPPES registry on March 28, 2016.

Where is Kevin Chun located?

Kevin Chun practices at 301 The City Dr S, Orange, CA 92868. The listed phone number is (714) 935-6363.

What is Kevin Chun's specialty?

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

Is Kevin Chun enrolled in Medicare?

Yes. Kevin Chun is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Kevin Chun's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kevin Chun reassigns Medicare benefits to Faculty Physicians And Surgeons Of Llusm (Irvine, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Kevin Chun's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Kevin Chun was last updated on March 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.