DR. ELIZABETH U NGUYEN MD
NPI 1770528028
Internal Medicine in Camarillo, CA
About Dr. Elizabeth U Nguyen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ELIZABETH U NGUYEN MD (NPI 1770528028) is an individual internal medicine provider in Camarillo, California, licensed in California (A90331) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS and is a graduate of Other (2001).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 7
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
Dr. Elizabeth U 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 Elizabeth Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Bernardino, CA 92404
- Reassigned Medicare billing, California enrollment
- 1,216 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 5
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 93010 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare 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.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims 4
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
CAMARILLO, CA 93010
CAMARILLO, CA 93010
CAMARILLO, CA 93010
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 Elizabeth Nguyen's NPI number?
The NPI number for Elizabeth Nguyen is 1770528028. It was assigned to this individual provider in the NPPES registry on June 19, 2006.
Where is Elizabeth Nguyen located?
Elizabeth Nguyen practices at 3801 Las Posas Rd Suite 211, Camarillo, CA 93010. The listed phone number is (805) 389-0099.
What is Elizabeth Nguyen's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Elizabeth Nguyen enrolled in Medicare?
Yes. Elizabeth 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 Elizabeth Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Elizabeth Nguyen reassigns Medicare benefits to Inpatient Specialists Of California, PC (San Bernardino, 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 Elizabeth 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 Elizabeth Nguyen was last updated on June 7, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.