Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Ms. Kathleen Castelli, LVN

Licensed Vocational Nurse in Pioneer, CA · enumerated 2009.

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

National Provider Identifier

1043456528

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Registry record

Entity type Individual (Type 1)

Name Ms. Kathleen Castelli

Credential LVN

Sex Female

Practice address Pioneer, CA, 95666

Phone (916) 802-9780

Enumeration date Jan 5, 2009

Last updated in NPPES Jan 5, 2009

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

164X00000X Licensed Vocational Nurse Nursing Service Providers · License VN 176213 (CA) Primary

Other identifiers

Identifier	Type	State	Issuer
VN 176213	Other	CA	LVN

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 Kathleen Castelli?

The National Provider Identifier (NPI) for Kathleen Castelli is 1043456528, a Type 1 (individual) record in the CMS NPPES registry.

Where does Kathleen Castelli practice?

The practice location on file with NPPES is in Pioneer, 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 2009-01-05.