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

Toshihiro Onishi, MD

Individual provider Pediatric Hematology & Oncology Physician · NPI 1700186897

Toshihiro Onishi, MD is a Pediatric Hematology & Oncology Physician in Indianapolis, Indiana. Practices as a sole proprietor. Licensed in Indiana and Maryland.

Licensed in
IN, MD
In the registry since
2010
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

705 Riley Hospital Dr Roc 4340
Indianapolis, IN 46202-5109
Phone: (317) 944-2143
Fax: (317) 944-3107
Show map & directions

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

Specialties & licences

Pediatric Hematology & Oncology Physician (primary) Taxonomy 2080P0207X · Licence 01081095A (IN)
Pediatric Hematology & Oncology Physician Taxonomy 2080P0207X · Licence 1954 (MD)

Record details

NPI number1700186897
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 24, 2010
Last updated in NPPESDecember 22, 2020
Certification dateDecember 22, 2020

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