Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Leslie Mental Health Services LLC

Q: What is the NPI number for Leslie Mental Health Services LLC?

The NPI for Leslie Mental Health Services LLC is 1134979867, a Type 2 (organization) record in the CMS NPPES registry.

Psychiatric/Mental Health Nurse Practitioner in Laguna Beach, CA · enumerated 2024 · authorized official Anthony Leslie, Owner.

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

National Provider Identifier

1134979867

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Registry record

Entity type Organization (Type 2)

Legal business name Leslie Mental Health Services LLC

Practice address 1968 S Coast Hwy Ste 1655, Laguna Beach, CA, 92651

Phone (626) 412-4527

Fax (626) 412-4278

Enumeration date Mar 25, 2024

Last updated in NPPES Mar 26, 2025

Taxonomy & classification

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers Primary

Authorized official

Name Anthony Leslie

Title Owner

Phone (626) 614-7205

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

Who is the authorized official for Leslie Mental Health Services LLC?

NPPES lists Anthony Leslie (Owner) as the authorized official for this organization.

What is the NPI number for Leslie Mental Health Services LLC?

The NPI for Leslie Mental Health Services LLC is 1134979867, a Type 2 (organization) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-03-26.