DR. LEON LUONG DO
NPI 1942905328
Student in an Organized Health Care Education/Training Program in Fontana, CA

Active since April 04, 2023PECOS EnrolledAccepts Medicare Assignment
17234 VALLEY BOULEVARD,, BUILDING A,, FONTANA, CA 92335(909) 427-5083 Get Directions Write a Review

NPPES record last updated: October 31, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 31, 2023, Apr 6, 2023 (2 updates tracked since 2023).

About Dr. Leon Luong Do NPPES

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

DR. LEON LUONG DO (NPI 1942905328) is an individual student in an organized health care education/training program in Fontana, California and active in the NPI registry since April 2023. He is enrolled in Medicare PECOS and is a graduate of Arizona College Of Osteopathic Medicine Mid Western University (2023).

NPPES Registry Identity

NPI1942905328
Entity TypeIndividualMale
Primary Taxonomy390200000X
Provider Legal NameDR. LEON LUONGCredential: DO
Location Address17234 VALLEY BOULEVARD,, BUILDING A,Fontana, CA 92335-6720
Mailing Address17234 Valley Boulevard,, Building A,Fontana, CA 92335-6720
Sole ProprietorNo
Medical School CMSArizona College Of Osteopathic Medicine Mid Western UniversityGraduated 2023
Enumeration DateApril 4, 2023
Last NPPES UpdateOctober 31, 20232 updates tracked since enumeration
NPPES CertifiedApril 6, 2023
✔ NPI 1942905328 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.
17234 VALLEY BOULEVARD,, 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. Leon Luong Do 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 ID5890225296
PECOS Enrollment IDI20260211003413
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 Leon Luong 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.

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 Leon Luong's NPI number?

The NPI number for Leon Luong is 1942905328. It was assigned to this individual provider in the NPPES registry on April 4, 2023.

Where is Leon Luong located?

Leon Luong practices at 17234 Valley Boulevard, Building A,, Fontana, CA 92335. The listed phone number is (909) 427-5083.

What is Leon Luong's specialty?

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

Is Leon Luong enrolled in Medicare?

Yes. Leon Luong 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 Leon Luong's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Leon Luong 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 Leon Luong'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 Leon Luong was last updated on October 31, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.