Dr. David L. Bartlett

Matthew Holtzman, MD, is a surgical oncologist specializing in the treatment of colorectal, liver, GI cancers, as well as melanoma and sarcoma. In addition to traditional surgery, Dr. Holtzman specializes in Minimally Invasive surgical approaches to cancer treatment. As part of the David C. Koch Regional Perfusion Cancer Therapy Center, Dr. Holtzman's team performs many specialized concentrated regional chemotherapy and radiotherapy procedures to treat advanced malignancies. His research interests include the treatment of recurrent cancers, regional radiation therapies, and novel treatments for melanoma. Dr. Holtzman is rated as a Distinguished provider by MediFind in the treatment of Ganglioneuroma. His top areas of expertise are Pseudomyxoma Peritonei, Melanoma, Colorectal Cancer, Splenectomy, and Hernia Surgery.

Devin R. Halleran, MD, is a pediatric surgeon in the Division of Pediatric General and Thoracic Surgery at UPMC Children’s Hospital. He is board-certified in general surgery and pediatric surgery. Dr. Halleran is also an Assistant Professor of Surgery at the University of Pittsburgh School of Medicine. He received his undergraduate degree from Hamilton College in Clinton, New York, followed by medical school and general surgery residency at Upstate Medical University in Syracuse, New York. Dr. Halleran then completed a pediatric colorectal research fellowship at Nationwide Children’s Hospital in Columbus, Ohio followed by pediatric surgery fellowship at Oregon Health & Science University in Portland, Oregon. Dr. Halleran is rated as an Advanced provider by MediFind in the treatment of Ganglioneuroma. His top areas of expertise are Bowel Incontinence, Hirschsprung Disease, Pilonidal Sinus Disease, Colostomy, and Bladder Reconstruction.

M. Haroon Asif Choudry, MD, is a surgical oncologist at UPMC Hillman Cancer Center, and an associate professor of surgery and surgical oncology at the University of Pittsburgh School of Medicine. Dr. Choudry is rated as an Advanced provider by MediFind in the treatment of Ganglioneuroma. His top areas of expertise are Pseudomyxoma Peritonei, Familial Colorectal Cancer, Gastrointestinal Fistula, Hernia Surgery, and Bladder Reconstruction.