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

Dr. Steven Wayne York

Q: What is the NPI number for Steven York?

The National Provider Identifier (NPI) for Steven York is 1124035894, a Type 1 (individual) record in the CMS NPPES registry.

Internal Medicine Physician in Northridge, CA · enumerated 2006.

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

National Provider Identifier

1124035894

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Registry record

Entity type Individual (Type 1)

Name Dr. Steven Wayne York

Sex Male

Practice address Northridge, CA, 91325

Phone (661) 272-0240

Enumeration date Aug 2, 2006

Last updated in NPPES Jul 8, 2007

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

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License A25716 (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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Steven York?

The National Provider Identifier (NPI) for Steven York is 1124035894, a Type 1 (individual) record in the CMS NPPES registry.

Where does Steven York practice?

The practice location on file with NPPES is in Northridge, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.