Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Abraham Martinez-Ayala
Social Worker in San Francisco, CA · enumerated 2020.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1588274450
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Registry record
Entity type Individual (Type 1)
Name Abraham Martinez-Ayala
Sex Male
Practice address 901 Market St Ste 380, San Francisco, CA, 94103
Phone (415) 221-4810
Enumeration date Aug 5, 2020
Last updated in NPPES Aug 5, 2020
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 Abraham Martinez-Ayala?
The National Provider Identifier (NPI) for Abraham Martinez-Ayala is 1588274450, a Type 1 (individual) record in the CMS NPPES registry.
Where does Abraham Martinez-Ayala practice?
The practice location on file with NPPES is in 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 2020-08-05.