MR. NICHOLAS THONG AU MSN, APRN, AGACNP-BC
NPI 1407588858
Nurse Practitioner - Acute Care in Covina, CA

Q: What is Nicholas Au's NPI number?

The NPI number for Nicholas Au is 1407588858. It was assigned to this individual provider in the NPPES registry on June 24, 2022.

Q: What is Nicholas Au's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Q: When was this NPI record last updated?

The NPPES record for Nicholas Au was last updated on August 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.

Active since June 24, 2022PECOS Enrolled

235 E BADILLO ST, COVINA, CA 91723(626) 915-4700(626) 214-7814 Get Directions Write a Review

NPPES record last updated: August 21, 2025. Verified against the NPPES registry weekly; last sync: October 04, 2026.

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About Mr. Nicholas Thong Au Msn, Aprn, Agacnp-bc NPPES

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

MR. NICHOLAS THONG AU MSN, APRN, AGACNP-BC (NPI 1407588858) is an individual acute care provider in Covina, California, licensed in California (95036173) and active in the NPI registry since June 2022. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1407588858

Entity TypeIndividualMale

Primary Taxonomy363LA2100X

Provider Legal NameMR. NICHOLAS THONG AUCredential: MSN, APRN, AGACNP-BC

Location Address235 E BADILLO STCovina, CA 91723-2116

Mailing Address235 E Badillo StCovina, CA 91723-2116 · (626) 915-4700 · Fax (626) 214-7814

Phone(626) 915-4700

Fax(626) 214-7814

Sole ProprietorYes

Enumeration DateJune 24, 2022

Last NPPES UpdateAugust 21, 2025

NPPES CertifiedAugust 21, 2025

✔ NPI 1407588858 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LA2100X

License✔ Licensed in CA · 95036173

Also ListedRegistered Nurse · Critical Care MedicineTaxonomy 163WC0200X · License 95275145 (CA)

235 E BADILLO ST, Covina, CA 91723

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Nicholas Thong Au Msn, Aprn, Agacnp-bc 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91723 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 10

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

EMIN ZARGARIAN MD

Internal Medicine (Cardiovascular Disease)