Robert F Sidonio, Jr, MD

Pediatric Hematologist/Oncologist





Dr. Sidonio is the Associate Director of the Hemostasis and Thrombosis Program at Children’s and Director of Clinical Operations and Clinical Research of the Hemostasis and Thrombosis Program. He attended medical school at the University of Alabama at Birmingham School of Medicine and completed his residency at the University of Louisville/Kosair Children’s Hospital in Louisville, Kentucky. He was a fellow at the University of Pittsburgh Medical Center/Children’s Hospital of Pittsburgh, where he also received his Master of Science in clinical research.

Dr. Sidonio and his wife live in Atlanta with their two young boys


Aflac Cancer and Blood Disorders Center

Egleston Hospital, 1405 Clifton Road NE
Atlanta, GA 30322
Get Directions 404-785-1112

Focus of Practice

  • Hematology
  • Hemostasis and thrombosis

Areas of Interest

  • Von Willebrand disease
  • Hemophilia A and B
  • Low von Willebrand factor and von Willebrand disease
  • Rare bleeding disorders
  • Adolescent girls and women with bleeding disorders

Professional Affiliations

  • American Society of Hematology
  • Hemophilia and Thrombosis Research Society
  • Medical and Scientific Advisory Council and National Hemophilia Foundation
  • American Thrombosis and Hemostasis Network
  • Foundation for Women and Girls with Blood Disorders

Research Interests

Bleeding phenotype of Hemophilia A and B carriers, Hemophilia A inhibitors and novel immune tolerance regimens, Women with low von Willebrand factor, Von Willebrand disease (ATHN 9)


Georgia Four-year Old Tests New Drug to Prevent Bleeding

A patient at the Aflac Cancer and Blood Disorders Center was the first child to receive a drug designed to reduce the number of dangerous bleeding episodes in hemophiliacs.

Fox 5