NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Austin Haw Yu, MD

Pulmonary Disease Physician in Los Alamitos, CA · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1588623813

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Austin Haw Yu
Credential MD
Sex Male
Practice address Los Alamitos, CA, 90720
Phone (562) 626-8016
Fax (562) 626-8017
Enumeration date Mar 23, 2006
Last updated in NPPES May 21, 2026

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207RP1001X Pulmonary Disease Physician Allopathic & Osteopathic Physicians · License A62129 (CA) Primary
207RC0200X Critical Care Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians · License A62129 (CA) Secondary
207RS0012X Sleep Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians · License A62129 (CA) Secondary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier Type State Issuer
GQ862Z Medicaid CA -

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Austin Yu practice?
The practice location on file with NPPES is in Los Alamitos, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Austin Yu?
The National Provider Identifier (NPI) for Austin Yu is 1588623813, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-05-21.