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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.

MINJU HWANG DO
NPI 1548829484
Psychiatry & Neurology - Psychiatry in Orange, CA

Active since June 12, 2019PECOS Enrolled
3800 W CHAPMAN AVE STE 500, ORANGE, CA 92868(714) 456-5770 Get Directions Write a Review

NPPES record last updated: September 1, 2026. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Sep 1, 2026, Jun 23, 2023, Jun 18, 2019 and 1 more (4 updates tracked since 2019).

About Minju Hwang Do NPPES

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

MINJU HWANG DO (NPI 1548829484) is an individual psychiatry provider in Orange, California, licensed in California (20A25353) and active in the NPI registry since June 2019. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1548829484
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameMINJU HWANGCredential: DO
Location Address3800 W CHAPMAN AVE STE 500Orange, CA 92868-1638
Mailing Address3800 W Chapman Ave Ste 500Orange, CA 92868-1638
Phone(714) 456-5770
Sole ProprietorNo
Enumeration DateJune 12, 2019
Last NPPES UpdateSeptember 1, 20264 updates tracked since enumeration
NPPES CertifiedSeptember 1, 2026
✔ NPI 1548829484 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 · 20A25353
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.
3800 W CHAPMAN AVE STE 500, Orange, CA 92868
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Minju Hwang Do 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.

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.

DR. CHRISTY ALHANNAT MD
Student in an Organized Health Care Education/Training Program
3800 W CHAPMAN AVE STE 500
ORANGE, CA 92868
Orange County (949) 824-5388
JAMES YUANJING ZHANG
Psychiatry & Neurology (Psychiatry)
3800 W CHAPMAN AVE STE 500
ORANGE, CA 92868
Orange County (714) 456-5902
MEHRON SINGH DHILLON MD
Psychiatry & Neurology (Psychiatry)
3800 W CHAPMAN AVE STE 500
ORANGE, CA 92868
Orange County (714) 456-5902
AUSTIN BUCK
Student in an Organized Health Care Education/Training Program
3800 W CHAPMAN AVE STE 500
ORANGE, CA 92868
Orange County (615) 927-5233
MONICA NGUYEN NGO MD
Student in an Organized Health Care Education/Training Program
3800 W CHAPMAN AVE STE 500
ORANGE, CA 92868
Orange County (714) 456-5770
DR. JOHN LUO MD
Psychiatry & Neurology (Psychiatry)
3800 W CHAPMAN AVE STE 500
ORANGE, CA 92868
Orange County (714) 456-5902
DANIELLE LIU
Student in an Organized Health Care Education/Training Program
3800 W CHAPMAN AVE STE 500
ORANGE, CA 92868
Orange County (714) 456-5902
NATHAN CHAN RIM
Student in an Organized Health Care Education/Training Program
3800 W CHAPMAN AVE STE 500
ORANGE, CA 92868
Orange County (714) 456-5770

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 Minju Hwang's NPI number?

The NPI number for Minju Hwang is 1548829484. It was assigned to this individual provider in the NPPES registry on June 12, 2019.

Where is Minju Hwang located?

Minju Hwang practices at 3800 W Chapman Ave Ste 500, Orange, CA 92868. The listed phone number is (714) 456-5770.

What is Minju Hwang's specialty?

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

Is Minju Hwang enrolled in Medicare?

Yes. Minju Hwang is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Minju Hwang was last updated on September 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.