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DEREK JOEY HUNG
NPI 1427752963
Student in an Organized Health Care Education/Training Program in Santa Ana, CA

Active since March 29, 2023PECOS Enrolled
1900 E 4TH ST, SANTA ANA, CA 92705(714) 967-4766 Get Directions Write a Review

NPPES record last updated: July 7, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 7, 2023, Mar 29, 2023 (2 updates tracked since 2023).

About Derek Joey Hung NPPES

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

DEREK JOEY HUNG (NPI 1427752963) is an individual student in an organized health care education/training program in Santa Ana, California and active in the NPI registry since March 2023. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1427752963
Entity TypeIndividualMale
Primary Taxonomy390200000X
Provider Legal NameDEREK JOEY HUNG
Location Address1900 E 4TH STSanta Ana, CA 92705-3910
Mailing Address1900 E 4th StSanta Ana, CA 92705-3910
Phone(714) 967-4766
Sole ProprietorNo
Enumeration DateMarch 29, 2023
Last NPPES UpdateJuly 7, 20232 updates tracked since enumeration
NPPES CertifiedMarch 29, 2023
✔ NPI 1427752963 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyStudent in an Organized Health Care Education/Training ProgramStudent, Health Care
Taxonomy Code390200000X
Definition
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
1900 E 4TH ST, Santa Ana, CA 92705
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Derek Joey Hung 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 Derek Hung reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group
7.4 mi
Health Maintenance Organization
441 N LAKEVIEW AVE
Anaheim, CA 92807
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1952333460 (714) 279-4000

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

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.

MR. MICHAEL JAMES PANOWICZ
Student in an Organized Health Care Education/Training Program
1900 E 4TH ST
SANTA ANA, CA 92705
Orange County (714) 967-4766
ALEXANDER WONG DO
Student in an Organized Health Care Education/Training Program
1900 E 4TH ST
SANTA ANA, CA 92705
Orange County (833) 574-2273
DR. RHETT MARK BARTOLOME D.O.
Family Medicine
1900 E 4TH ST
SANTA ANA, CA 92705
Orange County (714) 967-4675
DR. CHRISTOPHER THOMAS DONNELLY M.D.
Obstetrics & Gynecology
1900 E 4TH ST
SANTA ANA, CA 92705
Orange County (714) 967-4700
LILY LEE D.O.
Student in an Organized Health Care Education/Training Program
1900 E 4TH ST
SANTA ANA, CA 92705
Orange County (714) 674-4766
CRYSTAL CHEUNG
Student in an Organized Health Care Education/Training Program
1900 E 4TH ST
SANTA ANA, CA 92705
Orange County (714) 967-4766
ANDREW TAEHWAN SHIN DO
Student in an Organized Health Care Education/Training Program
1900 E 4TH ST
SANTA ANA, CA 92705
Orange County (714) 967-4548
KAISER FOUNDATION HEALTH PLAN INC
Pharmacy (Community/Retail Pharmacy)
1900 E 4TH ST
SANTA ANA, CA 92705
Orange County (866) 353-5060

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 Derek Hung's NPI number?

The NPI number for Derek Hung is 1427752963. It was assigned to this individual provider in the NPPES registry on March 29, 2023.

Where is Derek Hung located?

Derek Hung practices at 1900 E 4th St, Santa Ana, CA 92705. The listed phone number is (714) 967-4766.

What is Derek Hung's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

Is Derek Hung enrolled in Medicare?

Yes. Derek Hung is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Derek Hung's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Derek Hung reassigns Medicare benefits to Southern California Permanente Medical Group (Anaheim, 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 Derek Hung'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 Derek Hung was last updated on July 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.