Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mario Ernesto Leiva, ASW

Individual provider Social Worker · NPI 1629302203

Mario Ernesto Leiva, ASW is a Social Worker in San Francisco, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2009
Specialties on file
2

Practice location Address checks out

2712 Mission St
San Francisco, CA 94110-3104
Phone: (415) 401-2733
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Social Worker (primary) Taxonomy 104100000X · Licence 29854 (CA)
Social Worker Taxonomy 104100000X

Record details

NPI number1629302203
Entity typeIndividual (Type 1)
GenderMale
Credentials ASW
Sole proprietorYes
NPI enumeratedSeptember 29, 2009
Last updated in NPPESMay 8, 2025
Certification dateMay 8, 2025

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