Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Jesse J Mazza, A.T.,C.
Specialist in San Rafael, CA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1417921339
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Registry record
Entity type Individual (Type 1)
Name Mr. Jesse J Mazza
Credential A.T.,C.
Sex Male
Practice address 50 Acacia Ave, San Rafael, CA, 94901
Phone (415) 257-1353
Enumeration date Feb 15, 2006
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
Where does Jesse Mazza practice?
The practice location on file with NPPES is in San Rafael, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Jesse Mazza?
The National Provider Identifier (NPI) for Jesse Mazza is 1417921339, 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 2007-07-08.