AMY PHUONG NGUYEN MD
NPI 1548792260
Anesthesiology in Sylmar, CA
About Amy Phuong Nguyen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AMY PHUONG NGUYEN MD (NPI 1548792260) is an individual anesthesiology provider in Sylmar, California, licensed in California (A160294) and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS, maintains a secondary practice location in Los Angeles, and is a graduate of University Of California, Geffen School Of Medicine (2017).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Amy Phuong 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 Reassignments
2Medicare enrollment records show Amy Nguyen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sylmar, CA 91342
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: County Of Los Angeles
- 1,939 clinicians in this Medicare group
Newport Beach, CA 92663
- Reassigned Medicare billing, California enrollment
- 110 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 8
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.
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.
SYLMAR, CA 91342
SYLMAR, CA 91342
SYLMAR, CA 91342
SYLMAR, CA 91342
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 Amy Nguyen's NPI number?
The NPI number for Amy Nguyen is 1548792260. It was assigned to this individual provider in the NPPES registry on March 31, 2017.
Where is Amy Nguyen located?
Amy Nguyen practices at 14445 Olive View Drive Department Of Anesthesiology 3a-108, Sylmar, CA 91342. The listed phone number is (747) 210-4350.
What is Amy Nguyen's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Amy Nguyen enrolled in Medicare?
Yes. Amy 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 organizations bill Medicare for Amy Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Amy Nguyen reassigns Medicare benefits to 2 organizations: County Of Los Angeles Auditor Controller (Sylmar, CA) and Newport Harbor Anesthesia Consultants Medical Group Inc (Newport Beach, 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 Amy 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 Amy Nguyen was last updated on July 28, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Amy Phuong Nguyen, MD · NPI 1548792260
Anesthesiology physician in Sylmar, California. Individual provider, active in the CMS NPPES registry since March 31, 2017.
## Identity
- **NPI:** 1548792260 (Entity type: Individual)
- **Enumerated:** March 31, 2017
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** A160294 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 14445 OLIVE VIEW DRIVE, DEPARTMENT OF ANESTHESIOLOGY 3A-108, Sylmar, CA 91342
- **Phone:** (747) 210-4350
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): County Of Los Angeles Auditor Controller (NPI 1134159320, Sylmar, CA); Newport Harbor Anesthesia Consultants Medical Group Inc (NPI 1205885357, Newport Beach, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, Geffen School Of Medicine, class of 2017
## Record status
- **NPPES last updated:** July 28, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1548792260) · Data from the CMS NPPES public registry.