NGOC-HAI TRUONG M.D.
NPI 1952518425
Anesthesiology in Orange, CA
About Ngoc-hai Truong M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NGOC-HAI TRUONG M.D. (NPI 1952518425) is an individual anesthesiology provider in Orange, California, licensed in California (G065597) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS, is affiliated with Mercy Medical Center, and is a graduate of Other (1984).
NPPES Registry Identity
Specialties & Licenses
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
Ngoc-hai 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
7Medicare enrollment records show Ngoc-hai Truong reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Orange, CA 92869
- Reassigned Medicare billing, California enrollment
- 168 clinicians in this Medicare group
Laguna Hills, CA 92653
- Reassigned Medicare billing, California and Oregon enrollments
- Also billed through NPI 1235842196 (Oregon)
- 833 clinicians in this Medicare group
City Of Industry, CA 91748
- Reassigned Medicare billing, California enrollment
- 9 clinicians in this Medicare group
San Bernardino, CA 92404
- Reassigned Medicare billing, California enrollment
- 270 clinicians in this Medicare group
Redlands, CA 92373
- Reassigned Medicare billing, California enrollment
- 241 clinicians in this Medicare group
Sacramento, CA 95817
- Reassigned Medicare billing, California enrollment
- 2,570 clinicians in this Medicare group
- Reassigned Medicare billing, California enrollment
- 420 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Medical Center
Acute Care Hospitals · Roseburg, ORMedicare 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 18
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ORANGE, CA 92868
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 Ngoc-hai Truong's NPI number?
The NPI number for Ngoc-hai Truong is 1952518425. It was assigned to this individual provider in the NPPES registry on May 16, 2007.
Where is Ngoc-hai Truong located?
Ngoc-hai Truong practices at 725 W La Veta Ave Suite 270, Orange, CA 92868. The listed phone number is (714) 744-0900.
What is Ngoc-hai Truong's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Ngoc-hai Truong enrolled in Medicare?
Yes. Ngoc-hai 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 Ngoc-hai Truong's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ngoc-hai Truong reassigns Medicare benefits to 7 organizations: Orange Coast Anesthesia Inc (Orange, CA), Cep America - Anesthesia PC (Laguna Hills, CA), Surgical Anesthesia Medical Associates Inc (City Of Industry, CA), Palm Springs Anesthesia Services, PC (San Bernardino, CA), Darin Rentz Do PC (Redlands, CA) and 2 more organizations, listed in the Medicare section above. 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 Ngoc-hai Truong's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Ngoc-hai Truong affiliated with any hospitals?
According to CMS data, Ngoc-hai Truong is affiliated with Mercy Medical Center.
When was this NPI record last updated?
The NPPES record for Ngoc-hai Truong was last updated on December 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Ngoc-Hai Truong, M.D. · NPI 1952518425
Anesthesiology physician in Orange, California. Individual provider, active in the CMS NPPES registry since May 16, 2007.
## Identity
- **NPI:** 1952518425 (Entity type: Individual)
- **Enumerated:** May 16, 2007
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** G065597 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 725 W LA VETA AVE, SUITE 270, Orange, CA 92868-4403
- **Phone:** (714) 744-0900
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 7 organizations under Medicare reassignment (form CMS-855R): Orange Coast Anesthesia Inc (NPI 1508138256, Orange, CA); Cep America - Anesthesia PC (NPI 1861373631, Laguna Hills, CA); Surgical Anesthesia Medical Associates Inc (NPI 1104923358, City Of Industry, CA); Palm Springs Anesthesia Services, PC (NPI 1083928501, San Bernardino, CA); Darin Rentz Do PC (NPI 1689321747, Redlands, CA); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1984
## Record status
- **NPPES last updated:** December 29, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1952518425) · Data from the CMS NPPES public registry.