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Allen Chao

Nephrology Physician in Pasadena, CA · enumerated 2016 · practices at Pasadena Nephrology Corporation A Medical Group.

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

National Provider Identifier

1952765034

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Registry record

Entity type Individual (Type 1)
Name Allen Chao
Sex Male
Practice address 50 Alessandro Pl Ste 250, Pasadena, CA, 91105
Phone (626) 577-1675
Fax (626) 577-9115
Enumeration date Apr 5, 2016
Last updated in NPPES Jul 30, 2026

Taxonomy & licenses

207RN0300X Nephrology Physician Allopathic & Osteopathic Physicians · License A154990 (CA) Primary

Other identifiers

Identifier Type State Issuer
AC3232267556 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.

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Frequently asked questions

How do I verify Allen Chao's NPI record?
Cross-check NPI 1952765034 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Is NPI 1952765034 active?
Yes, as of the latest NPPES snapshot, NPI 1952765034 is active (record last updated 2026-07-30).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-07-30.