Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Danni Stephanie Mestaz, MSW
Social Worker in Marina, CA · enumerated 2019.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1801444963
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Registry record
Entity type Individual (Type 1)
Name Danni Stephanie Mestaz
Credential MSW
Sex Female
Practice address 427 Diana Pl, Marina, CA, 93933
Phone (408) 910-7855
Enumeration date Aug 30, 2019
Last updated in NPPES Oct 10, 2023
Taxonomy & licenses
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.
Frequently asked questions
Where does Danni Mestaz practice?
The practice location on file with NPPES is in Marina, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Danni Mestaz?
The National Provider Identifier (NPI) for Danni Mestaz is 1801444963, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-10-10.