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

Dr. Crisanto O Leonor, MD

Individual provider Addiction Medicine (Family Medicine) Physician · NPI 1477692382

Dr. Crisanto O Leonor, MD is an Addiction Medicine (Family Medicine) Physician in Rialto, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

850 E Foothill Blvd
Rialto, CA 92376-5230
Phone: (909) 421-9465
Fax: (909) 421-9466
Show map & directions

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

Specialties & licences

Addiction Medicine (Family Medicine) Physician (primary) Taxonomy 207QA0401X · Licence C38900 (CA)

Record details

NPI number1477692382
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 6, 2007
Last updated in NPPESJuly 8, 2007

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