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Ian Eisenberger

Sports Medicine (Physical Medicine & Rehabilitation) Physician in Atherton, CA · enumerated 2025.

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

National Provider Identifier

1154209732

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Registry record

Entity type Individual (Type 1)
Name Ian Eisenberger
Sex Male
Practice address 1000 El Camino Real, Atherton, CA, 94027
Phone (716) 228-8974
Enumeration date Aug 22, 2025
Last updated in NPPES Aug 22, 2025

Taxonomy & licenses

2081S0010X Sports Medicine (Physical Medicine & Rehabilitation) Physician Allopathic & Osteopathic Physicians · License 2000037817 (NY) 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

What is the NPI number for Ian Eisenberger?
The National Provider Identifier (NPI) for Ian Eisenberger is 1154209732, a Type 1 (individual) record in the CMS NPPES registry.
Where does Ian Eisenberger practice?
The practice location on file with NPPES is in Atherton, CA. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-08-22.