Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Isabella Xu

Q: What is the NPI number for Isabella Xu?

The National Provider Identifier (NPI) for Isabella Xu is 1730076324, a Type 1 (individual) record in the CMS NPPES registry.

Community Health Worker in San Rafael, CA · enumerated 2025 · practices at Progress Foundation.

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

National Provider Identifier

1730076324

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Registry record

Entity type Individual (Type 1)

Name Isabella Xu

Sex X

Practice address 920 Grand Ave, San Rafael, CA, 94901

Phone (415) 376-2310

Enumeration date Jun 18, 2025

Last updated in NPPES Jun 18, 2025

Taxonomy & licenses

172V00000X Community Health Worker Other Service 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 Isabella Xu?

The National Provider Identifier (NPI) for Isabella Xu is 1730076324, a Type 1 (individual) record in the CMS NPPES registry.

Where does Isabella Xu practice?

The practice location on file with NPPES is in San Rafael, 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 2025-06-18.