JULIE NGUYEN MD
NPI 1568059822
Internal Medicine in Vacaville, CA
About Julie Nguyen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JULIE NGUYEN MD (NPI 1568059822) is an individual internal medicine provider in Vacaville, California, licensed in California (202539) and active in the NPI registry since December 2020. She is enrolled in Medicare PECOS and is a graduate of University Of Oklahoma College Of Medicine (2022).
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
Julie 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 Julie Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Vallejo, CA 94589
- Reassigned Medicare billing, California enrollment
- 20,078 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 95688 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.
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 Julie Nguyen's NPI number?
The NPI number for Julie Nguyen is 1568059822. It was assigned to this individual provider in the NPPES registry on December 21, 2020.
Where is Julie Nguyen located?
Julie Nguyen practices at 1 Quality Dr, Vacaville, CA 95688. The listed phone number is (707) 815-9049.
What is Julie Nguyen's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Julie Nguyen enrolled in Medicare?
Yes. Julie 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 Julie Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Julie Nguyen reassigns Medicare benefits to Permanente Medical Group Inc (Vallejo, 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 Julie 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 Julie Nguyen was last updated on September 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.