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

Steve J. Corsaro

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1619126463

Steve J. Corsaro is an Addiction (Substance Use Disorder) Counselor in Ontario, California. Licensed in California. Registered with an NPI since 2008.

Licensed in
CA
In the registry since
2008

Practice location Address checks out

317 W F St
Ontario, CA 91762-3205
Phone: (909) 986-7111
Fax: (909) 986-0941
Show map & directions

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

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X (CA)

Record details

NPI number1619126463
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedSeptember 17, 2008
Last updated in NPPESSeptember 17, 2008
Mailing address317 W F St, Ontario, CA 91762-3205

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