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GIA HAN NGOC NGUYEN
NPI 1114688876
Nurse Practitioner - Pediatrics in San Dimas, CA

Active since January 05, 2022PECOS EnrolledAccepts Medicare Assignment
1330 W COVINA BLVD STE 105106, SAN DIMAS, CA 91773(626) 963-7675 Get Directions Write a Review

NPPES record last updated: January 5, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Gia Han Ngoc Nguyen NPPES

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

GIA HAN NGOC NGUYEN (NPI 1114688876) is an individual pediatrics provider in San Dimas, California, licensed in California (95019533) and active in the NPI registry since January 2022. She is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1114688876
Entity TypeIndividualFemale
Primary Taxonomy363LP0200X
Provider Legal NameGIA HAN NGOC NGUYEN
Location Address1330 W COVINA BLVD STE 105106San Dimas, CA 91773-3200
Mailing Address228 W Pomona Ave Unit 207Monrovia, CA 91016-4829 · (503) 702-3128
Phone(626) 963-7675
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateJanuary 5, 2022
NPPES CertifiedJanuary 5, 2022
✔ NPI 1114688876 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · PediatricsPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0200X
License✔ Licensed in CA · 95019533
1330 W COVINA BLVD STE 105106, San Dimas, CA 91773
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.Insurance ›

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

Gia Han Ngoc 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 ID8325576481
PECOS Enrollment IDI20250116003607
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 Gia Han Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Seattle Children's Hospital
956 mi
Primary Care
3939 S OTHELLO ST STE 101
Seattle, WA 98118
  • Reassigned Medicare billing, Washington enrollment
  • Medicare enrollment name: Seattle Childrens Hospital
  • 912 clinicians in this Medicare group
NPI 1134251747 (206) 987-7200

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 91773 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.

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 Gia Han Nguyen's NPI number?

The NPI number for Gia Han Nguyen is 1114688876. It was assigned to this individual provider in the NPPES registry on January 5, 2022.

Where is Gia Han Nguyen located?

Gia Han Nguyen practices at 1330 W Covina Blvd Ste 105106, San Dimas, CA 91773. The listed phone number is (626) 963-7675.

What is Gia Han Nguyen's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.

Is Gia Han Nguyen enrolled in Medicare?

Yes. Gia Han 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 Gia Han Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gia Han Nguyen reassigns Medicare benefits to Seattle Children's Hospital (Seattle, WA). 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 Gia Han Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gia Han Nguyen accept?

Health plans from Ambetter Health, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Gia Han Nguyen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Gia Han Nguyen was last updated on January 5, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.