DR. ANDREW WUKKYO CHOUNG M.D.
NPI 1033559976
Student in an Organized Health Care Education/Training Program in Fontana, CA

Active since June 25, 2013PECOS EnrolledAccepts Medicare Assignment
9961 SIERRA AVE # MOB1, FONTANA, CA 92335(909) 427-5083 Get Directions Write a Review

NPPES record last updated: November 30, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Andrew Wukkyo Choung M.d. NPPES

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

DR. ANDREW WUKKYO CHOUNG M.D. (NPI 1033559976) is an individual student in an organized health care education/training program in Fontana, California and active in the NPI registry since June 2013. He is enrolled in Medicare PECOS and is a graduate of Loma Linda University School Of Medicine (2013).

NPPES Registry Identity

NPI1033559976
Entity TypeIndividualMale
Primary Taxonomy390200000X
Provider Legal NameDR. ANDREW WUKKYO CHOUNGCredential: M.D.
Location Address9961 SIERRA AVE # MOB1Fontana, CA 92335-6720
Mailing Address9961 Sierra Ave # Mob1Fontana, CA 92335-6720
Sole ProprietorNo
Medical School CMSLoma Linda University School Of MedicineGraduated 2013
Enumeration DateJune 25, 2013
Last NPPES UpdateNovember 30, 2021
✔ NPI 1033559976 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

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.
9961 SIERRA AVE # MOB1, Fontana, CA 92335

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Andrew Wukkyo Choung M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4183933641
PECOS Enrollment IDI20160928001202
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 Andrew Choung reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Health Maintenance Organization
9961 SIERRA AVE
Fontana, CA 92335
  • Reassigned Medicare billing, California enrollment
  • Also billed through NPI 1952333460 (California)
  • 5,228 clinicians in this Medicare group

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 7

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

Student in an Organized Health Care Education/Training Program
9961 SIERRA AVE # MOB1
FONTANA, CA 92335
Family Medicine
9961 SIERRA AVE # MOB1
FONTANA, CA 92335
Student in an Organized Health Care Education/Training Program
9961 SIERRA AVE # MOB1
FONTANA, CA 92335
Family Medicine
9961 SIERRA AVE # MOB1
FONTANA, CA 92335
Family Medicine
9961 SIERRA AVE # MOB1
FONTANA, CA 92335
Student in an Organized Health Care Education/Training Program
9961 SIERRA AVE # MOB1
FONTANA, CA 92335
Student in an Organized Health Care Education/Training Program
9961 SIERRA AVE # MOB1
FONTANA, CA 92335

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 Andrew Choung's NPI number?

The NPI number for Andrew Choung is 1033559976. It was assigned to this individual provider in the NPPES registry on June 25, 2013.

Where is Andrew Choung located?

Andrew Choung practices at 9961 Sierra Ave # Mob1, Fontana, CA 92335. The listed phone number is (909) 427-5083.

What is Andrew Choung's specialty?

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

Is Andrew Choung enrolled in Medicare?

Yes. Andrew Choung is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Andrew Choung's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Choung reassigns Medicare benefits to Southern California Permanente Medical Group (Fontana, 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 Andrew Choung'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 Andrew Choung was last updated on November 30, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.