NPI Portal NPI Lookup & Verification

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Michael Yin

Certified Respiratory Therapist in Irvine, CA · enumerated 2018.

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

National Provider Identifier

1710466917

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Registry record

Entity type Individual (Type 1)
Name Michael Yin
Sex Male
Practice address 6640 Alton Pkwy, Irvine, CA, 92618
Enumeration date Aug 8, 2018
Last updated in NPPES Aug 8, 2018

Taxonomy & licenses

227800000X Certified Respiratory Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 18054 (CA) Primary

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.

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Frequently asked questions

Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
What specialty is Michael Yin?
Michael Yin is registered in NPPES with the primary taxonomy of Certified Respiratory Therapist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-08-08.