Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Annalissa Lorena Dalan Pena, NP

Nurse Practitioner in Pleasanton, CA · enumerated 2025.

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

National Provider Identifier

1518843978

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Registry record

Entity type Individual (Type 1)

Name Annalissa Lorena Dalan Pena

Credential NP

Sex Female

Practice address 4626 Willow Rd, Pleasanton, CA, 94588

Phone (925) 463-0470

Fax (844) 830-3541

Enumeration date Aug 12, 2025

Last updated in NPPES Aug 14, 2026

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 95035382 (CA) Primary

NP · Nurse Practitioner: An advanced practice registered nurse with graduate training, licensed to diagnose and treat, often with prescriptive authority. About the NP 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

What is the NPI number for Annalissa Lorena Pena?

The National Provider Identifier (NPI) for Annalissa Lorena Pena is 1518843978, a Type 1 (individual) record in the CMS NPPES registry.

Where does Annalissa Lorena Pena practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-08-14.