TAM THI MINH NGUYEN
NPI 1407562853
Nurse Practitioner - Women's Health in Santa Ana, CA
About Tam Thi Minh Nguyen NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TAM THI MINH NGUYEN (NPI 1407562853) is an individual women's health provider in Santa Ana, California, licensed in California (95017902) and active in the NPI registry since January 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Tam Thi Minh Nguyen is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Tam Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Santa Ana, CA 92703
- Reassigned Medicare billing, California enrollment
- 3 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 92703 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 3
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 Tam Nguyen's NPI number?
The NPI number for Tam Nguyen is 1407562853. It was assigned to this individual provider in the NPPES registry on January 30, 2023.
Where is Tam Nguyen located?
Tam Nguyen practices at 5030 Westminster Ave, Santa Ana, CA 92703. The listed phone number is (714) 775-8090.
What is Tam Nguyen's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Women's Health, with taxonomy code 363LW0102X.
Is Tam Nguyen enrolled in Medicare?
Yes. Tam Nguyen is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Tam Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tam Nguyen reassigns Medicare benefits to Theresa Thanh Ngoc Nguyen MD Inc (Santa Ana, 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 Tam 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 Tam Nguyen was last updated on April 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Tam Thi Minh Nguyen · NPI 1407562853
Women's Health physician in Santa Ana, California. Individual provider, active in the CMS NPPES registry since January 30, 2023.
## Identity
- **NPI:** 1407562853 (Entity type: Individual)
- **Enumerated:** January 30, 2023
- **Primary specialty:** Nurse Practitioner - Women's Health · taxonomy 363LW0102X
- **State license:** 95017902 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 5030 WESTMINSTER AVE, Santa Ana, CA 92703-1151
- **Phone:** (714) 775-8090
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Theresa Thanh Ngoc Nguyen MD Inc (NPI 1750667192, Santa Ana, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** April 27, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1407562853) · Data from the CMS NPPES public registry.