Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Cass Piper Sandoval

Critical Care Medicine Clinical Nurse Specialist in San Francisco, CA · enumerated 2025.

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

National Provider Identifier

1174488894

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Registry record

Entity type Individual (Type 1)

Name Cass Piper Sandoval

Sex Female

Practice address 505 Parnassus Ave, San Francisco, CA, 94143

Phone (415) 514-7559

Enumeration date Dec 16, 2025

Last updated in NPPES Dec 16, 2025

Taxonomy & licenses

364SC0200X Critical Care Medicine Clinical Nurse Specialist Physician Assistants & Advanced Practice Nursing Providers · License 2398 (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 Cass Sandoval?

The National Provider Identifier (NPI) for Cass Sandoval is 1174488894, a Type 1 (individual) record in the CMS NPPES registry.

Where does Cass Sandoval practice?

The practice location on file with NPPES is in San Francisco, 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 2025-12-16.