Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Regis M Atienza Jr., DDM
Dentist in South San Francisco, CA · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1588704852
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Registry record
Entity type Individual (Type 1)
Name Dr. Regis M Atienza Jr.
Credential DDM
Sex Male
Practice address 2237 Gellert Blvd, South San Francisco, CA, 94080
Phone (650) 878-1033
Enumeration date Feb 7, 2007
Last updated in NPPES Jul 8, 2007
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
What is the NPI number for Regis Atienza?
The National Provider Identifier (NPI) for Regis Atienza is 1588704852, a Type 1 (individual) record in the CMS NPPES registry.
Where does Regis Atienza practice?
The practice location on file with NPPES is in South San Francisco, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.