TRUNG TRUONG MD
NPI 1801877170
Pediatrics in Rancho Mission Viejo, CA
About Trung Truong Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TRUNG TRUONG MD (NPI 1801877170) is an individual pediatrics provider in Rancho Mission Viejo, California, licensed in California (G79604) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Trung Truong Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Trung Truong reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Fountain Valley, CA 92708
- Reassigned Medicare billing, California enrollment
- 948 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 92694 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 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
RANCHO MISSION VIEJO, CA 92694
RANCHO MISSION VIEJO, CA 92694
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 Trung Truong's NPI number?
The NPI number for Trung Truong is 1801877170. It was assigned to this individual provider in the NPPES registry on November 14, 2005.
Where is Trung Truong located?
Trung Truong practices at 30492 Gateway Pl Ste 110, Rancho Mission Viejo, CA 92694. The listed phone number is (949) 542-7700.
What is Trung Truong's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Trung Truong enrolled in Medicare?
Yes. Trung Truong is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Trung Truong's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Trung Truong reassigns Medicare benefits to Memorialcare Medical Foundation (Fountain Valley, 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 Trung 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 Trung Truong was last updated on November 14, 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.