Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Nathan Hornbostel, EMT

Emergency Medical Services (Emergency Medicine) Physician in Palo Alto, CA · enumerated 2022.

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

National Provider Identifier

1245953546

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Registry record

Entity type Individual (Type 1)

Name Nathan Hornbostel

Credential EMT

Sex Male

Practice address 3929 Nelson Dr, Palo Alto, CA, 94306

Phone (315) 746-1474

Enumeration date Sep 21, 2022

Last updated in NPPES Sep 21, 2022

Taxonomy & licenses

207PE0004X Emergency Medical Services (Emergency Medicine) Physician Allopathic & Osteopathic Physicians · License E175969 (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 Nathan Hornbostel?

The National Provider Identifier (NPI) for Nathan Hornbostel is 1245953546, a Type 1 (individual) record in the CMS NPPES registry.

Where does Nathan Hornbostel practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-09-21.