Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Alys Brenna Dimercurio

Physician Assistant in Vallejo, CA · enumerated 2023 · practices at Touro University.

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

National Provider Identifier

1215640255

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Registry record

Entity type Individual (Type 1)

Name Ms. Alys Brenna Dimercurio

Sex Female

Practice address 1310 Club Dr, Vallejo, CA, 94592

Phone (707) 638-5809

Enumeration date Jan 5, 2023

Last updated in NPPES Jan 5, 2023

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing 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 Alys Dimercurio practice?

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

What is the NPI number for Alys Dimercurio?

The National Provider Identifier (NPI) for Alys Dimercurio is 1215640255, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-01-05.