Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Callum Hancock

Adult Companion in Grass Valley, CA · enumerated 2026.

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

National Provider Identifier

1235054420

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Registry record

Entity type Individual (Type 1)

Name Callum Hancock

Sex Male

Practice address 760 S Auburn St Ste C, Grass Valley, CA, 95945

Phone (530) 265-5811

Enumeration date Aug 13, 2026

Last updated in NPPES Aug 13, 2026

Taxonomy & licenses

372600000X Adult Companion Nursing Service Related Providers 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 Callum Hancock?

The National Provider Identifier (NPI) for Callum Hancock is 1235054420, a Type 1 (individual) record in the CMS NPPES registry.

Where does Callum Hancock practice?

The practice location on file with NPPES is in Grass Valley, 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 2026-08-13.