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Fellowship Program Leadership

Pediatric Surgery Fellowship

Program Leadership

David Notrica, MD
Program Director

Dr. Notrica graduated Cum Laude from Duke University in 1988 and Emory University School of Medicine in 1992 where he was class president and a member of the Alpha Omega Alpha National Medical Honor Society. He completed his general surgery residency training at Emory University Affiliated Hospitals in 1997 and his Pediatric Surgery Fellowship training at Baylor College of Medicine/Texas Children’s Hospital in Houston in 1999.

Dr. Notrica is board certified in both Pediatric Surgery and General Surgery by the American Board of Surgery. He developed and continues to direct the Level 1 Trauma Center for Phoenix Children’s Hospital. This program is the only ACS-Verified Level 1 Pediatric Trauma Center in the state of Arizona. Additionally, he is co-director of the joint chest wall program with Phoenix Children’s Hospital and Mayo Clinic Arizona. His special interests are in Biliary Atresia, Diaphragm Pacers, Inflammatory Bowel Disease, and Pectus Excavatum repair. He is the Program Director of the Pediatric Surgery Fellowship.

Mark S. Molitor, Jr., MD
Associate Program Director

Dr. Molitor graduated from the University of Arizona College of Medicine in 2002. He completed his surgical residency at the University of Arizona. During residency, he took a two year leave of absence to complete a surgical research fellowship in tumor immunology at the University of Michigan. After completion of residency, he completed an additional fellowship in Surgical Critical Care and Extracorporeal Membrane Oxygenation (ECMO) at the University of Michigan. Following completion of his critical care training, he Molitor completed his fellowship in Pediatric Surgery at the University of Utah and Primary Children’s Medical Center.

Dr. Molitor is board certified in Pediatric Surgery, General Surgery, and Critical Care Surgery by the American Board of Surgery. He is the Director of the ECMO Program at Phoenix Children’s, and his medical interests include childhood tumors, ano-rectal malformations, chest wall disorders, thoracic lesions, and the full scope of pediatric surgery. He enjoys training other surgeons, physicians from other specialties, and medical students. He is the Associate Program Director of the Pediatric Surgery Fellowship.


Jae O-Bae, MD

Dr. Bae grew up in northern New Jersey. He obtained his undergraduate education at the Johns Hopkins University, graduating with honors, and then went on to UMDNJ-Robert Wood Johnson Medical School graduating in 2000. He completed his residency in general surgery at Columbia University Medical Center/New York-Presbyterian Hospitals. During his residency, he spent two years doing basic science research in neuroblastoma angiogenesis combined with a clinical fellowship in Extracorporeal Membrane Oxygenation (ECMO) at the Morgan Stanley Children’s Hospital of New York-Presbyterian.

Following his general surgery training, Dr. Bae completed his pediatric surgery fellowship at University of Texas Southwestern Medical School/Children’s Medical Center at Dallas. He is board certified in pediatric surgery and general surgery by the American Board of Surgery and is a Fellow with the American Academy of Pediatrics and a Fellow of the American College of Surgeons. His medical interests include childhood cancers and patients diagnosed with chest wall anomalies.

J. Craig Egan, MD

Dr. Egan graduated from the University of Notre Dame in 1991 and Loyola University Chicago Stritch School of Medicine in 1995 where he was a member of the Alpha Omega Alpha National Medical Honor Society. He completed his general surgery residency training at David Grant USAF Medical Center, Travis Air Force Base, in 2001. After general surgery practice for the United States Air Force, he received additional training in Pediatric Surgical Critical Care at Children’s Hospital of Wisconsin prior to his Pediatric Surgery Fellowship, which he completed in 2008.

Dr. Egan is a Fellow of the American College of Surgeons. He is board certified in Pediatric Surgery, General Surgery, and Surgical Critical Care by the American Board of Surgery. His special interests include pediatric surgical critical care, minimally invasive surgical techniques, and chest wall disorders. He also leads the surgical group’s pediatric melanoma surgery (as a member of the Pigmented Lesions Clinic) and has extensive experience with pediatric thyroid and parathyroid surgery.

Erin M. Garvey, MD

Dr. Garvey attended medical school in Vermont and completed her General Surgery residency at the Mayo Clinic—Arizona in 2016. She was the inaugural fellow for the program, graduating in July 2018 and joining the faculty in October 2018.

Dr. Garvey is interested in minimally invasive surgery and the multidisciplinary care of colorectal and oncology patients. She is a member of the American College of Surgeons, American Pediatric Surgical Association, and the Association of Women Surgeons.

Jamie C. Harris, MD

Dr. Harris attended medical school at the University of Arizona College of Medicine in Tucson, Arizona. She completed her residency in General Surgery at Rush University Medical Center in Chicago, Illinois. She completed her fellowship in Pediatric Surgery at Lurie Children’s Hospital in Chicago, Illinois. She is a recent addition to the permanent faculty.

Ramin Jamshidi, MD

Dr. Jamshidi attended UC San Diego on full academic UC Regents scholarship and spent a year at Harvard University as a Visiting Undergraduate Scholar. During medical school in Colorado, he served on the physics faculty at the University of Denver. While at UC San Francisco for surgical residency, he spent two years as a fetal surgery fellow and postdoctoral researcher, concentrating on medical device design and surgical education. Concurrently, he was on the physics faculty of University of San Francisco. Following general surgery training, he completed pediatric surgery fellowship under the mentorship of Keith Oldham and Thomas Sato at the Children’s Hospital of Wisconsin in Milwaukee.

Dr. Jamshidi is Board Certified in General Surgery and Pediatric Surgery. His clinical interests are in endocrine, thoracic, and vascular disease as well as trauma and oncology. Active research efforts focus on three areas: physical science in medicine (such as device design), medical education, and clinical outcomes. Global health is another frequent activity–he was named a Global Health Scholar at UC San Francisco and has ongoing relationships with groups in Guatemala and Peru.

Justin Lee, MD

Dr. Lee graduated from Tufts University School of Medicine in Boston. Upon graduation, he completed a general surgery residency at St. Elizabeth Medical Center in Boston followed by a pediatric surgery fellowship at Primary Children’s Hospital in Salt Lake City. He then held a general and thoracic pediatric surgery position at the University of Illinois at Chicago before coming to Phoenix Children’s.

Dr. Lee is actively involved in conducting patient safety, quality improvement, and clinical outcomes research. His work has been published in several peer-reviewed journals and a recent book chapter in the second edition of Fundamentals of Pediatric Surgery. He has also given various presentations at regional and national meetings, won numerous awards and is a member of several professional societies, including American Pediatric Surgical Association and American Academy of Pediatrics. His clinical interests include minimally invasive surgery (laparoscopic and thoracoscopic), neonatal surgery, single site laparoscopic surgery, chest wall reconstruction, and congenital colorectal anomalies.

Lisa E. McMahon, MD

Dr. McMahon graduated from the University of Virginia in 1992 then served as a Peace Corps Volunteer in Guatemala for three years. When she returned to the United States, she attended Texas A&M medical school and graduated in 2001. She completed her general surgery training at Mayo Clinic–Arizona in 2006 and her pediatric surgery fellowship at Arkansas Children’s Hospital in 2008.

Dr. McMahon’s medical interests include advanced laparoscopy, Hirschsprung’s disease, pectus excavatum, slipping rib syndrome, and childhood tumors. Additional interests include the specialized care of young patients diagnosed with inflammatory bowel disease. She is a member of the Medical Advisory Committee for the Crohn’s and Colitis Foundation of America/Southwest Chapter. She is also a member of the Pediatric Advisory Committee for the National Crohn’s and Colitis Foundation. She is a surgeon with the Pectus Excavatum and Chest Wall Anomalies Clinic, a collaborative program between Phoenix Children’s and Mayo Clinic–Arizona.

Daniel J. Ostlie, MD

Dr. Ostlie completed his residency in general surgery at Mayo Clinic Scottsdale from 1995 to 2000 and still has family in the area. Following fellowships at Cambridge University and Children’s Mercy Hospital, he stayed on at Children’s Mercy starting as a staff surgeon. During his ten years with the institution, he rose through numerous leadership roles including vice chair of the Department of Surgery and program director of both the Pediatric Surgery Residency and Surgical Critical Care Fellowship.

Dr. Ostlie specializes in performing minimally invasive and laparoscopic procedures in children, which constitute approximately 85 percent of his practice. His research interests are focused on evidence-based pediatric surgery, and he has participated as the primary investigator or co-investigator in more than 20 prospective randomized controlled trials in infants and children. He holds certification from the American Board of Surgery in pediatric surgery, surgical critical care, and general surgery. He is the Surgeon-of-Chief of Phoenix Children’s.

Benjamin E. Padilla, MD

Dr. Padilla graduated from and completed his residency from the University of California, San Francisco School of Medicine. He completed fellowship at the Children's Hospital of Philadelphia.

Dr. Padilla specializes in pediatric general and thoracic surgery. His clinical interests include pediatric surgical oncology, pediatric endocrine surgery, and the correction of chest wall malformations. His research interest focuses on the use of novel technologies in pediatric surgical disease and the surgical management of rare pediatric endocrine conditions. His research efforts have been funded by the NIH and FDA.

Dorothy H. Rowe, MD

Dr. Rowe graduated Cum Laude from Harvard University. She then spent two years at the National Institute of Health as a research fellow. She attended medical school at Columbia College of Physicians and Surgeons in New York and was a member of the Alpha Omega Alpha Honor Society. She went on to a Residency in General Surgery at Columbia University and spent two years completing a combined research/ECMO fellowship at the Babies and Children’s Hospital of New York. She completed Pediatric Surgery Fellowship at the Children’s Hospital of New York.

Dr. Rowe is actively involved with the Reproductive Anomalies/Disorders of Sex Development Clinic at Phoenix Children’s, a clinic devoted to providing a multidisciplinary approach to care for patients with genitourinary disorders.

Kathleen D. van Leeuwen, MD

Dr. van Leeuwen is the Director of the Reproductive Anomalies/Disorders of Sexual Development at Phoenix Children’s, a multidisciplinary clinic that serves the complex needs of patients with congenital malformations of the reproductive system. She is also the Director of the Arizona Fetal Care Network (AZFCN). AZFCN is the only program in Arizona offering advanced fetal diagnosis and newborn medical and surgical intervention, all at one location. She is highly regarded by her peers for her ability to coordinate the care for the clinic’s patients and their families.

Dr. van Leeuwen understands the relevance of research in her field and as such is the Primary Investigator on several IRB approved studies including a patient registry for disorders of sexual development, a study involving non-cardiac surgery on uni-ventricular pediatric patients, and a multi-center trial investigating the care of children with blunt renal trauma.

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