Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Rosina Diaz
Peer Specialist in Stockton, CA · enumerated 2026.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1154277291
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Registry record
Entity type Individual (Type 1)
Name Rosina Diaz
Sex Female
Practice address 1212 N California St, Stockton, CA, 95202
Phone (209) 451-3977
Enumeration date Mar 10, 2026
Last updated in NPPES Jun 29, 2026
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 Rosina Diaz practice?
The practice location on file with NPPES is in Stockton, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Rosina Diaz?
The National Provider Identifier (NPI) for Rosina Diaz is 1154277291, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-06-29.