MICHAEL NAM TRUONG M.D.
NPI 1376834143
General Practice in Fountain Valley, CA
About Michael Nam Truong M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL NAM TRUONG M.D. (NPI 1376834143) is an individual general practice provider in Fountain Valley, California, licensed in California (124243) and active in the NPI registry since April 2011. He is enrolled in Medicare PECOS and is a graduate of Medical College Of Wisconsin (2011).
NPPES Registry Identity
Specialties & Licenses 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
Michael Nam Truong 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.
Medicare Billing Reassignments
3Medicare enrollment records show Michael Truong reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fountain Valley, CA 92708
- Reassigned Medicare billing, California enrollment
Fountain Valley, CA 92708
- Reassigned Medicare billing, California enrollment
- 2 clinicians in this Medicare group
Oceanside, CA 92054
- Reassigned Medicare billing, California enrollment
- 7 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.
Areas of Expertise CMS Part B claims 20
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
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.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims 5
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FOUNTAIN VALLEY, CA 92708
FOUNTAIN VALLEY, CA 92708
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 Michael Truong's NPI number?
The NPI number for Michael Truong is 1376834143. It was assigned to this individual provider in the NPPES registry on April 27, 2011.
Where is Michael Truong located?
Michael Truong practices at 10900 Warner Ave Ste 101B, Fountain Valley, CA 92708. The listed phone number is (714) 263-0557.
What is Michael Truong's specialty?
The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.
Is Michael Truong enrolled in Medicare?
Yes. Michael Truong 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 Michael Truong's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Truong reassigns Medicare benefits to 3 organizations: Michael Truong, MD (Fountain Valley, CA), Unified Medical Clinic, Inc. (Fountain Valley, CA) and Outreach Care Medical Group, Inc (Oceanside, 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 Michael 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 Michael Truong was last updated on February 14, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.