Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Arielle Alexandra Yang, M.D.

Internal Medicine Physician in Glendale, CA · enumerated 2009 · practices at Kaiser Foundation Health Plan Inc.

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

National Provider Identifier

1134458235

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Registry record

Entity type Individual (Type 1)

Name Arielle Alexandra Yang

Credential M.D.

Sex Female

Practice address 444 W Glenoaks Blvd, Glendale, CA, 91202

Phone (800) 954-8000

Enumeration date Dec 18, 2009

Last updated in NPPES Sep 8, 2015

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 2011015919 (MO) Secondary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License A136400 (CA) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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

Is NPI 1134458235 active?

Yes, as of the latest NPPES snapshot, NPI 1134458235 is active (record last updated 2015-09-08).

How do I verify Arielle Yang's NPI record?

Cross-check NPI 1134458235 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-09-08.