HELEN HOANG NGUYEN
NPI 1235919564
Nurse Practitioner - Family in Garden Grove, CA

Active since October 04, 2023PECOS EnrolledAccepts Medicare Assignment
9191 WESTMINSTER AVE, GARDEN GROVE, CA 92844(714) 899-2000 Get Directions Write a Review

NPPES record last updated: January 19, 2024. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Helen Hoang Nguyen NPPES

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

HELEN HOANG NGUYEN (NPI 1235919564) is an individual family provider in Garden Grove, California, licensed in California (95027283) and active in the NPI registry since October 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1235919564
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameHELEN HOANG NGUYEN
Location Address9191 WESTMINSTER AVEGarden Grove, CA 92844-2751
Mailing Address9191 Westminster AveGarden Grove, CA 92844-2751 · (714) 899-2000
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateOctober 4, 2023
Last NPPES UpdateJanuary 19, 2024
NPPES CertifiedJanuary 19, 2024
NPI 1235919564 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 · 95027283
9191 WESTMINSTER AVE, Garden Grove, CA 92844

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Helen Hoang Nguyen 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.

PECOS PAC ID9830542133
PECOS Enrollment IDI20250808003278
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92844 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 20

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

Internal Medicine
9191 WESTMINSTER AVE
GARDEN GROVE, CA 92844
Physical Medicine & Rehabilitation
9191 WESTMINSTER AVE, SUITE 207
GARDEN GROVE, CA 92844
Nurse Practitioner (Pediatrics)
9191 WESTMINSTER AVE, STE 106
GARDEN GROVE, CA 92844
Pharmacy (Long Term Care Pharmacy)
9191 WESTMINSTER AVE
GARDEN GROVE, CA 92844
Pharmacy (Community/Retail Pharmacy)
9191 WESTMINSTER AVE
GARDEN GROVE, CA 92844
Physical Therapist
9191 WESTMINSTER AVE, SUITE 202
GARDEN GROVE, CA 92844
Internal Medicine
9191 WESTMINSTER AVE
GARDEN GROVE, CA 92844
Physical Medicine & Rehabilitation
9191 WESTMINSTER AVE, SUITE 207
GARDEN GROVE, CA 92844

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 Helen Nguyen's NPI number?

The NPI number for Helen Nguyen is 1235919564. It was assigned to this individual provider in the NPPES registry on October 4, 2023.

Where is Helen Nguyen located?

Helen Nguyen practices at 9191 Westminster Ave, Garden Grove, CA 92844. The listed phone number is (714) 899-2000.

What is Helen Nguyen's specialty?

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

Is Helen Nguyen enrolled in Medicare?

Yes. Helen 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.

When was this NPI record last updated?

The NPPES record for Helen Nguyen was last updated on January 19, 2024. NPI Profile syncs with the weekly NPPES data releases published by CMS.