AI VAN NGUYEN
NPI 1538769807
Nurse Practitioner - Family in Los Angeles, CA

Active since October 27, 2020PECOS EnrolledAccepts Medicare Assignment
1401 S GRAND AVE, LOS ANGELES, CA 90015(213) 748-2411 Get Directions Write a Review

NPPES record last updated: February 3, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 3, 2021, Oct 29, 2020 (2 updates tracked since 2020).

About Ai Van Nguyen NPPES

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

AI VAN NGUYEN (NPI 1538769807) is an individual family provider in Los Angeles, California, licensed in California (95015772) and active in the NPI registry since October 2020. He is enrolled in Medicare PECOS and is a graduate of Other (2020).

NPPES Registry Identity

NPI1538769807
Entity TypeIndividualMale
Primary Taxonomy363LF0000X
Provider Legal NameAI VAN NGUYEN
Location Address1401 S GRAND AVELos Angeles, CA 90015-3010
Mailing Address1401 S Grand AveLos Angeles, CA 90015-3010 · (213) 748-2411
Sole ProprietorYes
Medical School CMSOtherGraduated 2020
Enumeration DateOctober 27, 2020
Last NPPES UpdateFebruary 3, 20212 updates tracked since enumeration
NPPES CertifiedFebruary 3, 2021
✔ NPI 1538769807 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 · 95015772
1401 S GRAND AVE, Los Angeles, CA 90015

Other Identifiers 1

Other95015772CA · Nurse Practitioner

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

Ai Van 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 ID1557753985
PECOS Enrollment IDI20220117000367
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 Ai Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Critical Care Medicine
1401 S GRAND AVE
Los Angeles, CA 90015
  • Reassigned Medicare billing, California enrollment
  • 51 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 90015 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.

Student in an Organized Health Care Education/Training Program
1401 S GRAND AVE
LOS ANGELES, CA 90015
Nurse Anesthetist, Certified Registered
1401 S GRAND AVE
LOS ANGELES, CA 90015
Student in an Organized Health Care Education/Training Program
1401 S GRAND AVE
LOS ANGELES, CA 90015
Physician Assistant
1401 S GRAND AVE
LOS ANGELES, CA 90015
Emergency Medicine
1401 S GRAND AVE
LOS ANGELES, CA 90015
Anesthesiology
1401 S GRAND AVE
LOS ANGELES, CA 90015
Emergency Medicine
1401 S GRAND AVE
LOS ANGELES, CA 90015
Student in an Organized Health Care Education/Training Program
1401 S GRAND AVE
LOS ANGELES, CA 90015

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 Ai Nguyen's NPI number?

The NPI number for Ai Nguyen is 1538769807. It was assigned to this individual provider in the NPPES registry on October 27, 2020.

Where is Ai Nguyen located?

Ai Nguyen practices at 1401 S Grand Ave, Los Angeles, CA 90015. The listed phone number is (213) 748-2411.

What is Ai Nguyen's specialty?

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

Is Ai Nguyen enrolled in Medicare?

Yes. Ai 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 Ai Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ai Nguyen reassigns Medicare benefits to Bel Air Critical Care Medical Group, Inc. (Los Angeles, 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 Ai 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 Ai Nguyen was last updated on February 3, 2021. 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.