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

Lawrence Valdez Atanacio

Critical Care Medicine Registered Nurse in Harbor City, CA · enumerated 2026.

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

National Provider Identifier

1104754522

Verified

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Registry record

Entity type Individual (Type 1)

Name Lawrence Valdez Atanacio

Sex Male

Practice address Harbor City, CA, 90710

Phone (310) 997-5964

Enumeration date May 13, 2026

Last updated in NPPES May 13, 2026

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

Taxonomy & licenses

163WC0200X Critical Care Medicine Registered Nurse Nursing Service Providers · License 837084 (CA) 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 Lawrence Atanacio?

The National Provider Identifier (NPI) for Lawrence Atanacio is 1104754522, a Type 1 (individual) record in the CMS NPPES registry.

Where does Lawrence Atanacio practice?

The practice location on file with NPPES is in Harbor City, 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 2026-05-13.