Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Jenni Ann Dillman, B.A.

Social Worker in Tustin, CA · enumerated 2009.

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

National Provider Identifier

1841523933

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Registry record

Entity type Individual (Type 1)

Name Jenni Ann Dillman

Credential B.A.

Sex Female

Practice address 14802 Newport Ave, 21d, Tustin, CA, 92780

Phone (714) 470-1964

Enumeration date Sep 8, 2009

Last updated in NPPES Sep 8, 2009

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social 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

Where does Jenni Dillman practice?

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

What is the NPI number for Jenni Dillman?

The National Provider Identifier (NPI) for Jenni Dillman is 1841523933, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-09-08.