1. Home
  2. Directory
  3. California
  4. Los Alamitos
  5. Internal Medicine
  6. NPI Profile

AUSTIN HAW YU MD A MEDICAL CORP
NPI 1851692297
Internal Medicine - Pulmonary Disease in Los Alamitos, CA

Active since November 16, 2010
3851 KATELLA AVE STE 320, LOS ALAMITOS, CA 90720(562) 626-8016(562) 626-8017 Get Directions Write a Review

NPPES record last updated: May 21, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 21, 2026, Oct 4, 2018 (2 updates tracked since 2018).

About Austin Haw Yu Md A Medical Corp NPPES

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

AUSTIN HAW YU MD A MEDICAL CORP (NPI 1851692297) is a healthcare organization registered as a pulmonary disease in Los Alamitos, California and active in the NPI registry since November 2010. The organization lists Austin Haw Yu, President, as its authorized official.

NPPES Registry Identity

NPI1851692297
Entity TypeOrganization
Primary Taxonomy207RP1001X
Legal Business NameAUSTIN HAW YU MD A MEDICAL CORP
Location Address3851 KATELLA AVE STE 320Los Alamitos, CA 90720-3567
Mailing AddressPo Box 2063Los Alamitos, CA 90720-7063 · (562) 626-8016 · Fax (562) 626-8017
Phone(562) 626-8016
Fax(562) 626-8017
Organization SubpartNo
Authorized OfficialAustin Haw YuPresident · (562) 626-8016
Enumeration DateNovember 16, 2010
Last NPPES UpdateMay 21, 20262 updates tracked since enumeration
NPPES CertifiedMay 21, 2026
✔ NPI 1851692297 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License✔ Licensed in CA · A62129
Definition
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
3851 KATELLA AVE STE 320, Los Alamitos, CA 90720
Open in Google Maps ↗

Other Identifiers 2

Other00A621290CA · Medi-cal
MedicaidGQ857ACA

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Austin Haw Yu Md A Medical Corp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Austin Haw Yu MD A Medical Corp, which bills Medicare for the services this clinician delivers.

Clinician (1)

Austin Yu, MD
Pulmonary Disease
NPI 1588623813
3851 KATELLA AVE STE 320
Los Alamitos, CA 90720
(562) 626-8016
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Austin Haw Yu MD A Medical Corp's NPI number?

The NPI number for Austin Haw Yu MD A Medical Corp is 1851692297. It was assigned to this organization in the NPPES registry on November 16, 2010.

Where is Austin Haw Yu MD A Medical Corp located?

Austin Haw Yu MD A Medical Corp is located at 3851 Katella Ave Ste 320, Los Alamitos, CA 90720. The listed phone number is (562) 626-8016.

What is Austin Haw Yu MD A Medical Corp's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Austin Haw Yu MD A Medical Corp enrolled in Medicare?

Yes. Austin Haw Yu MD A Medical Corp is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Austin Haw Yu MD A Medical Corp?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Pulmonary Disease) reassigns their Medicare billing to Austin Haw Yu MD A Medical Corp. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Austin Haw Yu MD A Medical Corp was last updated on May 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.