CATHY L NGUYEN FNP
NPI 1376234948
Nurse Practitioner - Family in Murrieta, CA
About Cathy L Nguyen Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CATHY L NGUYEN FNP (NPI 1376234948) is an individual family provider in Murrieta, California, licensed in California (95025181) and active in the NPI registry since May 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2023).
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
Cathy L Nguyen Fnp 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 Cathy Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Hemet, CA 92545
- Reassigned Medicare billing, California enrollment
- 5,228 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 92562 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Cathy Nguyen's NPI number?
The NPI number for Cathy Nguyen is 1376234948. It was assigned to this individual provider in the NPPES registry on May 16, 2023.
Where is Cathy Nguyen located?
Cathy Nguyen practices at 41680 Ivy St Ste A, Murrieta, CA 92562. The listed phone number is (951) 677-2227.
What is Cathy Nguyen's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Cathy Nguyen enrolled in Medicare?
Yes. Cathy 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 Cathy Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cathy Nguyen reassigns Medicare benefits to Southern California Permanente Medical Group (Hemet, 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 Cathy 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 Cathy Nguyen was last updated on May 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Cathy L Nguyen, FNP · NPI 1376234948
Family physician in Murrieta, California. Individual provider, active in the CMS NPPES registry since May 16, 2023.
## Identity
- **NPI:** 1376234948 (Entity type: Individual)
- **Enumerated:** May 16, 2023
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 95025181 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 41680 IVY ST STE A, Murrieta, CA 92562-9435
- **Phone:** (951) 677-2227
## 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:** Southern California Permanente Medical Group (NPI 1013433465, Hemet, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** May 27, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1376234948) · Data from the CMS NPPES public registry.