Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Kathleen Bridget Lally-Arena, R, MSN, FNP, NCSN

Family Nurse Practitioner in Encino, CA · enumerated 2016.

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

National Provider Identifier

1700246303

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Registry record

Entity type Individual (Type 1)

Name Ms. Kathleen Bridget Lally-Arena

Credential R, MSN, FNP, NCSN

Sex Female

Practice address 5400 Balboa Bl Suite 103, Encino, CA, 91316

Phone (310) 866-7237

Fax (310) 636-8221

Enumeration date Feb 25, 2016

Last updated in NPPES Feb 25, 2016

Taxonomy & licenses

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License NP11205 (CA) Primary

FNP · Family Nurse Practitioner: A nurse practitioner certified in family practice across the lifespan. About the FNP credential

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 Kathleen Lally-Arena practice?

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

What is the NPI number for Kathleen Lally-Arena?

The National Provider Identifier (NPI) for Kathleen Lally-Arena is 1700246303, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-02-25.