ALEXANDER NGUYEN MD
NPI 1679278766
Family Medicine in Downey, CA
About Alexander Nguyen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEXANDER NGUYEN MD (NPI 1679278766) is an individual family medicine provider in Downey, California, licensed in California (A197053) and active in the NPI registry since March 2023. He is enrolled in Medicare PECOS and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (2023).
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
Alexander Nguyen 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 Reassignment
Medicare enrollment records show Alexander Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Downey, CA 90241
- Reassigned Medicare billing, California enrollment
- 840 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 90241 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
DOWNEY, CA 90241
DOWNEY, CA 90241
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 Alexander Nguyen's NPI number?
The NPI number for Alexander Nguyen is 1679278766. It was assigned to this individual provider in the NPPES registry on March 30, 2023.
Where is Alexander Nguyen located?
Alexander Nguyen practices at 11500 Brookshire Ave, Downey, CA 90241. The listed phone number is (562) 904-5000.
What is Alexander Nguyen's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Alexander Nguyen enrolled in Medicare?
Yes. Alexander Nguyen 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 organization bills Medicare for Alexander Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Nguyen reassigns Medicare benefits to Pih Health Physicians (Downey, 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 Alexander Nguyen'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 Alexander Nguyen was last updated on February 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Alexander Nguyen, MD · NPI 1679278766
Family Medicine physician in Downey, California. Individual provider, active in the CMS NPPES registry since March 30, 2023.
## Identity
- **NPI:** 1679278766 (Entity type: Individual)
- **Enumerated:** March 30, 2023
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** A197053 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 11500 BROOKSHIRE AVE, Downey, CA 90241-4917
- **Phone:** (562) 904-5000
## 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:** Pih Health Physicians (NPI 1447931506, Downey, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Illinois College Of Med, class of 2023
## Record status
- **NPPES last updated:** February 10, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1679278766) · Data from the CMS NPPES public registry.