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

Dr. Grant T Callen, MD

Individual provider Pediatrics Physician · NPI 1720660517

Dr. Grant T Callen, MD is a Pediatrics Physician in Indianapolis, Indiana. Licensed in Indiana. Registered with an NPI since 2021.

Licensed in
IN
In the registry since
2021
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
Indianapolis, IN 46202-5109
Phone: (317) 948-2700
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence 01093864A (IN)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1720660517
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 22, 2021
Last updated in NPPESJune 5, 2024
Certification dateJune 5, 2024

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