MR. PHONG DUY NGUYEN
NPI 1316502297
Nurse Practitioner - Family in Mountain View, CA
About Mr. Phong Duy Nguyen NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. PHONG DUY NGUYEN (NPI 1316502297) is an individual family provider in Mountain View, California, licensed in California (95010668) and active in the NPI registry since May 2019. He is enrolled in Medicare PECOS and is a graduate of Other (2018).
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
Mr. Phong Duy Nguyen 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 Phong Nguyen reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Palo Alto, CA 94301
- Reassigned Medicare billing, California enrollment
- 4,479 clinicians in this Medicare group
Fairfield, CA 94534
- Reassigned Medicare billing, California enrollment
- 3,056 clinicians in this Medicare group
Los Angeles, CA 90064
- Reassigned Medicare billing, California enrollment
- 75 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 4
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94040 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.
MOUNTAIN VIEW, CA 94040
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 Phong Nguyen's NPI number?
The NPI number for Phong Nguyen is 1316502297. It was assigned to this individual provider in the NPPES registry on May 6, 2019.
Where is Phong Nguyen located?
Phong Nguyen practices at 701 E El Camino Real, Mountain View, CA 94040. The listed phone number is (510) 498-2768.
What is Phong Nguyen's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Phong Nguyen enrolled in Medicare?
Yes. Phong 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 Phong Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Phong Nguyen reassigns Medicare benefits to 3 organizations: Sutter Bay Medical Foundation (Palo Alto, CA), Sutter Valley Medical Foundation (Fairfield, CA) and Snf Wound Care (Los Angeles, 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 Phong 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 Phong Nguyen was last updated on January 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.