DR. THOMAS WAN CHONG MD
NPI 1912484148
Family Medicine in La Puente, CA
About Dr. Thomas Wan Chong Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. THOMAS WAN CHONG MD (NPI 1912484148) is an individual family medicine provider in La Puente, California, licensed in California (A165528) and active in the NPI registry since July 2018. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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. Thomas Wan Chong Md 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.
Medicare Billing Reassignments
3Medicare enrollment records show Thomas Chong reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
La Puente, CA 91746
- Reassigned Medicare billing, California enrollment
- 91 clinicians in this Medicare group
West Covina, CA 91791
- Reassigned Medicare billing, California enrollment
- 2 clinicians in this Medicare group
Glendale, CA 91203
- Reassigned Medicare billing, California enrollment
- 6 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91746 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LA PUENTE, CA 91746
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 Thomas Chong's NPI number?
The NPI number for Thomas Chong is 1912484148. It was assigned to this individual provider in the NPPES registry on July 20, 2018.
Where is Thomas Chong located?
Thomas Chong practices at 13742 Amar Rd, La Puente, CA 91746. The listed phone number is (626) 919-0400.
What is Thomas Chong's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Thomas Chong enrolled in Medicare?
Yes. Thomas Chong 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 organizations bill Medicare for Thomas Chong's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Chong reassigns Medicare benefits to 3 organizations: Central City Community Health Center Inc (La Puente, CA), Integral Health Clinic West Covina (West Covina, CA) and Iaso Medical Professional Group (Glendale, CA). Each 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 Thomas Chong'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 Thomas Chong was last updated on September 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.