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PHUONG THI NGUYEN NURSE PRACTITIONER
NPI 1811583073
Nurse Practitioner - Family in Westminster, CA

Active since December 11, 2020PECOS Enrolled
14501 MAGNOLIA ST, WESTMINSTER, CA 92683(714) 799-7731 Get Directions Write a Review

NPPES record last updated: December 11, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Phuong Thi Nguyen Nurse Practitioner NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

PHUONG THI NGUYEN NURSE PRACTITIONER (NPI 1811583073) is an individual family provider in Westminster, California, licensed in California (95011970) and active in the NPI registry since December 2020. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1811583073
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NamePHUONG THI NGUYENCredential: NURSE PRACTITIONER
Location Address14501 MAGNOLIA STWestminster, CA 92683-1306
Mailing Address3343 W Olinda LnAnaheim, CA 92804-2723 · (714) 589-6874
Phone(714) 799-7731
Sole ProprietorNo
Enumeration DateDecember 11, 2020
NPPES CertifiedDecember 11, 2020
✔ NPI 1811583073 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in CA · 95011970
14501 MAGNOLIA ST, Westminster, CA 92683
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Phuong Thi Nguyen Nurse Practitioner is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Phuong Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Kelvin Mai, D.O., Inc
4.1 mi
Primary Care
1002 N FAIRVIEW ST
Santa Ana, CA 92703
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Kelvin Mai Do Inc
  • 5 clinicians in this Medicare group
NPI 1437485513 (714) 332-1069

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 3

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.

Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes 99348
An established patient home visit is a 25-minute appointment where a healthcare provider visits you at your home. This service is for patients who have previously been seen by the provider. It includes a check-up and discussion about your health concerns.
53 services45 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
17 services17 patients
Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 99349
An established patient home visit is a medical appointment conducted at your home, typically lasting around 40 minutes. This service is ideal for patients who may find it difficult to travel to a healthcare facility. During this visit, a healthcare professional will evaluate your health status, manage your care, and answer any health-related questions you may have.
13 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92683 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 12

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

TRILOGY EYE MEDICAL GROUP, INC.
Specialist
14501 MAGNOLIA ST, SUITE 103
WESTMINSTER, CA 92683
Orange County (714) 594-7575
KATHY TIEN
Specialist/Technologist (Speech-Language Assistant)
14501 MAGNOLIA ST
WESTMINSTER, CA 92683
Orange County (714) 891-0080
COLORADO DERMATOLOGY MEDICAL GROUP, INC
Dermatology
14501 MAGNOLIA ST, SUITE 103
WESTMINSTER, CA 92683
Orange County (714) 677-0877
TRACY TRAM PAC
Physician Assistant
14501 MAGNOLIA ST, SUITE 104
WESTMINSTER, CA 92683
Orange County (714) 893-6008
CATHY LUONG
Specialist/Technologist (Speech-Language Assistant)
14501 MAGNOLIA ST, SUITE 104
WESTMINSTER, CA 92683
Orange County (714) 891-0080
MAGNOLIA ACUPUNCTURE, INC.
Acupuncturist
14501 MAGNOLIA ST, 103
WESTMINSTER, CA 92683
Orange County (714) 248-7871
ANTHONY NGUYEN DDS INC
Preferred Provider Organization
14501 MAGNOLIA ST, SUITE 107
WESTMINSTER, CA 92683
Orange County (714) 248-9883
ALISE STAUDER
Speech-Language Pathologist
14501 MAGNOLIA ST, SUITE 104
WESTMINSTER, CA 92683
Orange County (714) 891-0080

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 Phuong Nguyen's NPI number?

The NPI number for Phuong Nguyen is 1811583073. It was assigned to this individual provider in the NPPES registry on December 11, 2020.

Where is Phuong Nguyen located?

Phuong Nguyen practices at 14501 Magnolia St, Westminster, CA 92683. The listed phone number is (714) 799-7731.

What is Phuong Nguyen's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Phuong Nguyen enrolled in Medicare?

Yes. Phuong Nguyen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Phuong Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Phuong Nguyen reassigns Medicare benefits to Kelvin Mai, D.O., 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 Phuong 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 Phuong Nguyen was last updated on December 11, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.