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

Individual provider Pediatric Hematology & Oncology Physician · NPI 1336198985

Mark E Heiny, MD, PHD is a Pediatric Hematology & Oncology Physician in Indianapolis, Indiana. Licensed in Indiana. Registered with an NPI since 2006.

Licensed in
IN
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

8326 Naab Rd
Indianapolis, IN 46260-1920
Phone: (317) 871-0000
Fax: (317) 871-0010
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatric Hematology & Oncology Physician (primary) Taxonomy 2080P0207X · Licence 01045220A (IN)

Record details

NPI number1336198985
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedMay 10, 2006
Last updated in NPPESFebruary 11, 2015
Mailing address8326 Naab Rd, Indianapolis, IN 46260-1920

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