DR. ANTHONY LEMINH TRUONG D.O.
NPI 1518020353
Family Medicine in Upland, CA
About Dr. Anthony Leminh Truong D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ANTHONY LEMINH TRUONG D.O. (NPI 1518020353) is an individual family medicine provider in Upland, California, licensed in California (20A20836) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS and maintains 4 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 4
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Anthony Leminh Truong D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Anthony Truong reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Waterloo, IL 62298
- Reassigned Medicare billing, Illinois enrollment
- 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91786 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
UPLAND, CA 91786
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 Anthony Truong's NPI number?
The NPI number for Anthony Truong is 1518020353. It was assigned to this individual provider in the NPPES registry on December 19, 2006.
Where is Anthony Truong located?
Anthony Truong practices at 299 W Foothill Blvd 209, Upland, CA 91786. The listed phone number is (909) 982-4000.
What is Anthony Truong's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Anthony Truong enrolled in Medicare?
Yes. Anthony Truong is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Anthony Truong's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Anthony Truong reassigns Medicare benefits to Deaconess Illinois Specialty Clinic, Inc. (Waterloo, IL). 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 Anthony Truong'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 Anthony Truong was last updated on April 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Dr. Anthony Leminh Truong, D.O. · NPI 1518020353
Family Medicine physician in Upland, California. Individual provider, active in the CMS NPPES registry since December 19, 2006.
## Identity
- **NPI:** 1518020353 (Entity type: Individual)
- **Enumerated:** December 19, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 20A20836 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 299 W FOOTHILL BLVD, 209, Upland, CA 91786
- **Phone:** (909) 982-4000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Deaconess Illinois Specialty Clinic, Inc. (NPI 1336856806, Waterloo, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 29, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1518020353) · Data from the CMS NPPES public registry.