Dr. Robin T. Petroze

George B. Mychaliska, M.D. is the Robert Bartlett, MD Collegiate Professor of Pediatric Surgery and a Professor of Obstetrics and Gynecology at the University of Michigan. He earned his Medical Degree and Master’s of Science from the Joint Medical Program at the University of California at San Francisco and Berkeley. He completed his General Surgery residency and Fetal Surgery fellowship at UCSF. Dr. Mychaliska completed his Pediatric Surgery fellowship at the Children's Hospital of Michigan. He is board certified in Pediatric Surgery and General Surgery.Clinical Specialization:Dr. Mychaliska's practice encompasses all aspects of pediatric surgery. His clinical areas of interest and expertise are prenatal diagnosis and fetal surgery. Dr. Mychaliska's research interests include prenatal diagnosis and therapy, pulmonary development, and congenital diaphragmatic hernia. Dr. Mychaliska is highly rated in 19 conditions, according to our data. His clinical expertise encompasses Congenital Diaphragmatic Hernia, Diaphragmatic Hernia, Hernia, Oophorectomy, and Endoscopy. Dr. Mychaliska is board certified in Pediatric Surgery and Surgery.

John Stoffel is a General Surgeon and a Urologist practicing medicine in Ann Arbor, Michigan. Dr. Stoffel is highly rated in 34 conditions, according to our data. His clinical expertise encompasses Neurogenic Bladder, Urinary Incontinence, Stress Urinary Incontinence, Reconstructive Urology Surgery, and Hernia Surgery. Dr. Stoffel is board certified in Urology and Female Pelvic Medicine & Reconstructive Surg.

Dr. K. Elizabeth Speck is a Clinical Assistant Professor in the Section of Pediatric Surgery and is board certified in both general surgery and pediatric surgery. She received her medical degree from the University of Tennessee College of Medicine and then completed her general surgery residency at the University of North Carolina in Chapel Hill. During her general surgery training, she completed an NIH-sponsored Postdoctoral Research Fellowship in Pediatric Surgery at UNC. Dr. Speck completed her Pediatric Surgery Fellowship at the University of Michigan in Ann Arbor and then joined the faculty at Vanderbilt University Medical Center. Due to her interest in clinical outcomes research, she obtained her master’s degree in clinical research design and Statistical Analysis from the University of Michigan in 2017.Dr. Speck is a Fellow in the American Pediatric Surgical Association (APSA) and the American College of Surgeons (ACS). She is a member of the Association of Women Surgeons (AWS), the Association for Academic Surgery (AAS), the International Pediatric Endosurgery Group (IPEG), and the Society of American Gastrointestinal and Endoscopic Surgeons (SAGES). At the University of Michigan, she is a member of the Institute for Healthcare Policy and Innovation.Clinical Specialization:Dr. Speck’s surgical practice encompasses all areas of general and thoracic pediatric surgery with a focus on minimally invasive surgery. As the Director of Pediatric Colorectal Surgery, she has a particular interest in colorectal diseases, including anorectal malformations, Hirschsprung disease, and differences of sex differentiation (DSD). Dr. Speck is highly rated in 23 conditions, according to our data. Her clinical expertise encompasses Hirschsprung Disease, Total Intestinal Aganglionosis, Imperforate Anus, Gastrostomy, and Colostomy.