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

Onyedika John Ilonze, MD

Individual provider Internal Medicine Physician · NPI 1174752554

Onyedika John Ilonze, MD is a Cardiovascular Disease (Cardiology) in Indianapolis, Indiana. Qualified in 2006, 20 years ago. Practices with Indiana University Health Inc, a 58-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Arkansas, Indiana and North Carolina.

Years since qualifying
20
Licensed in
AR, IN, NC
In the registry since
2009
Specialties on file
6
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

1801 N Senate Blvd Ste 2000
Indianapolis, IN 46202
Phone: (317) 962-9700
Fax: (317) 962-9657
Show map & directions

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

Additional practice locations (2)

  • 1701 N Senate Blvd, Indianapolis, IN 46202-1239 — (888) 484-3258
  • Medical Center Blvd, Winston Salem, NC 27157-0001 — (336) 716-2011

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence 01084377A (IN)
Internal Medicine Physician Taxonomy 207R00000X · Licence 01084377A (IN)
Internal Medicine Physician Taxonomy 207R00000X · Licence 2012-01373 (NC)
Advanced Heart Failure and Transplant Cardiology Physician Taxonomy 207RA0001X · Licence 01084377A (IN)
Advanced Heart Failure and Transplant Cardiology Physician Taxonomy 207RA0001X · Licence E-11428 (AR)
Hospitalist Physician Taxonomy 208M00000X · Licence 2012-01373 (NC)

Record details

NPI number1174752554
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 7, 2009
Last updated in NPPESMarch 10, 2025
Certification dateMarch 10, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Also practisesADVANCED HEART FAILURE AND TRANSPLANT CARDIOLOGY, INTERNAL MEDICINE
Medical schoolOTHER
Graduated 2006 (20 years in practice)
Group practice Indiana University Health Inc — 58 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Indianapolis