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The physicians in our directory are members of a Children’s Health hospital medical staff or are credentialed by Children’s Health for managed care participation. Some physicians are employed by Children’s Health, some are employed elsewhere, and some maintain an independent medical practice. There is no fee for being listed in our directory. The physicians populating your search results are selected based on the criteria that you provide and are then listed alphabetically. If a physician is no longer on a Children’s Health medical staff or participating in a Children’s Health managed care agreement, he/she would not be eligible to be listed in our directory.

John Gregory Modrall, MD $$

Pediatric Vascular Surgeon

Professor at UT Southwestern Medical Center

Languages Spoken:
UT Southwestern Pediatric Group


John Modrall, M.D., completed his medical school training at the University of Colorado. He obtained his training in surgery at the University of Southern California School of Medicine and his training in vascular surgery at the University of Michigan.

His clinical interests include endovascular, surgical, and medical therapy of arterial disease, with a particular interest in renovascular disease.

His research is focused on renovascular disease and the use of superficial femoral vein as an alternative conduit for arterial surgery.

Education and Training

Medical School
University of Colorado Health Sciences Center (1989)
Keck School of Medicine Office of Graduate Med Edu (1996), General Surgery
University of Michigan Hospitals (1998), Vascular Surgery
Board Certification
American Board of Surgery(Vascular Surgery)

Departments and Programs

Vascular Surgery