Skip to main content
Dennis O'Brien Jr., MD, Pediatric Hematology & Oncology, Fort Wayne, IN, Lutheran Hospital of Indiana

DennisMichaelO'BrienJr.MD

Pediatric Hematology & Oncology Fort Wayne, IN

Pediatric Hematologist/Oncologist - Lutheran Children's Hospital/Lutheran Medical Group

Dr. O'Brien is on Doximity

As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.

  • Connect with other colleagues in the same hospital or clinic
  • Search all U.S. specialist profiles and refer a patient
  • Read the latest clinical news and earn CME/CEU credits

See Dr. O'Brien's full profile

Already have an account?

Education & Training

  • Nationwide Children's Hospital/Ohio State University
    Nationwide Children's Hospital/Ohio State UniversityFellowship, Pediatric Hematology/Oncology, 2004 - 2007
  • University of Louisville School of Medicine
    University of Louisville School of MedicineResidency, Pediatrics, 2001 - 2004
  • University of Cincinnati College of Medicine
    University of Cincinnati College of MedicineClass of 2001

Certifications & Licensure

  • IN State Medical License
    IN State Medical License 2007 - 2025
  • OH State Medical License
    OH State Medical License 2004 - 2008
  • American Board of Pediatrics Pediatrics
  • American Board of Pediatrics Pediatric Hematology-Oncology

Hospital Affiliations