Julie Augenstein, MD
EMS Base Hospital Program, Medical Director | Phoenix Children’s
Critical Care Transport Services, Medical Director | Phoenix Children’s
Phoenix Children’s EMS and Pre-hospital Care Conference Chair
Attending Physician, Pediatric Emergency Medicine | Phoenix Children’s
Dr. Julie Augenstein is a board-certified Pediatric Emergency Medicine Physician and the EMS Base Hospital Medical Director at Phoenix Children’s. She completed her pediatric residency at New York Presbyterian Hospital/Weill Cornell Medical College, followed by a fellowship in Pediatric Emergency Medicine at Seattle Children’s Hospital and University of Washington. Her clinical focus includes expertise in pre-hospital care and simulation. Appointed by the Governor of Arizona, Dr. Augenstein holds the role of Physician Specializing in Pediatric Medicine on the Medical Direction Commission at the Arizona Department of Health Services and serves on the Trauma and EMS Performance Improvement (TEPI) Committee. Dr. Augenstein is an Assistant Professor of Child Health and Emergency Medicine at the Mayo Clinic School of Medicine and the University of Arizona.
Wendy Arafiles, MD, FAAP
Medical Director, Complex Care | Phoenix Children’s
Dr. Arafiles has spent her 20-year career at Phoenix Children’s originally with the Emergency Department and Child Protection Team, and now with the Division of Hospital Medicine. Over the years, she has developed a specific interest in children with medical complexity and technology dependence. She has developed complex care-specific medical education programs and inpatient service platforms and has presented medical complexity topics at several national conferences. She currently serves as Medical Director of Complex Care as well as the Clinical Documentation Integrity (CDI) program in the Hospital Revenue Cycle, intertwining skills in medical education, advanced knowledge of quality improvement and medical complexity, and foundational understanding of hospital finance.
Jonathan Frischknecht, DO
Attending Physician, Pediatric Emergency Medicine | Phoenix Children’s
Dr. Frischknecht is a board-certified Pediatrician and Pediatric Emergency Medicine Physician. Originally from Utah, however considers himself a Phoenician as he has lived her now for 12 years. He has done all of his training here with Phoenix Children's, including pediatrics residency and emergency fellowship. He enjoys spending time with his wife and 4 children, one of which has autism. Both working as a pediatric provider and having a special needs child of his own has led to an interest in supporting these patients and their families. He has a passion for care of special needs population, especially in the emergency and pre-hospital settings. In his free time he enjoys golf and is a degenerate college football fan!
Mary Haywood, DO
Attending Physician, Pediatric Emergency Medicine | Phoenix Children’s
Mary Haywood, DO, FAAP, is an emergency medicine physician at Phoenix Children's. Dr. Haywood cares for children with conditions and injuries that require urgent or immediate medical evaluation and treatment.
After graduating magna cum laude with her bachelor's degree from the University of Arizona in Tucson, Arizona, Dr. Haywood earned her medical degree from the A.T. Still University School of Osteopathic Medicine in Mesa, Arizona. She completed her pediatrics residency at Phoenix Children's and a fellowship in pediatric emergency medicine at Children's Mercy Hospital in Kansas City, Missouri.
Dr. Haywood is board certified in pediatrics and pediatric emergency medicine by the American Board of Pediatrics. She is also a fellow of the American Academy of Pediatrics (AAP) and a member of the AAP Section on Emergency Medicine. She has presented at meetings and conferences hosted by the Pediatric Academic Societies and the Society for Academic Emergency Medicine.
In her free time, Dr. Haywood enjoys cooking, camping, hiking, reading and spending time with her husband and dogs.
Josh Koch, MD
Division Chief, Critical Care and CVICU | Phoenix Children’s
Joshua D. Koch, MD, is a pediatric critical care specialist and Division Chief of Cardiac Critical Care Medicine and Pediatric Critical Care Medicine at Phoenix Children's. Dr. Koch is skilled in managing pediatric medical conditions that require treatment in the cardiovascular intensive care unit (CVICU) or the pediatric intensive care unit (PICU).
After graduating with his bachelor's degree from Trinity University, Dr. Koch earned his medical degree at the University of Kansas. He completed a residency in pediatrics at the University of Texas (UT) Southwestern Medical Center in Dallas, where he also completed a fellowship in pediatric critical care medicine, serving as chief resident and chief fellow in both training programs.
Dr. Koch is board-certified by the American Board of Pediatrics in pediatrics and pediatric critical care medicine. He is an active member of the Pediatric Cardiac Intensive Care Society, the Pediatric Critical Care Colloquium and the Virtual Pediatric Systems PICU Advisory Board. He serves on several other councils and committees dedicated to ensuring high-quality patient care and safety.
Dr. Koch's interest in clinical research focuses on optimizing neurological outcomes for critically ill infants and children, as well as preventing cardiac arrest and improving post-cardiac arrest management in the intensive care unit. He has published research in peer-reviewed journals such as the New England Journal of Medicine, the World Journal for Pediatric and Congenital Heart Surgery, Cardiology in the Young and Current Opinions in Cardiology. He also has presented at the World Congress of Pediatric Cardiology and at Pediatric Cardiac Intensive Care Society meetings.
Dr. Koch invests time in training new physicians as an assistant professor at Mayo Clinic College of Medicine and Science in Rochester, Minnesota, and an associate clinical professor at the University of Arizona College of Medicine - Phoenix and the Creighton University School of Medicine in Omaha, Nebraska.
In his free time, Dr. Koch enjoys reading, hiking and playing video games with his children.
Gregory C. Martin, MD, FAAP
Bill and Cathy Hudson Endowed Chair in Neonatology | Center for Fetal and Neonatal Care | Phoenix Children’s
Division Chief, Neonatology and Co-Director, Fetal Care | Phoenix Children’s
Neonatologist Gregory C. Martin, MD, recognizes what caring for newborns with medical challenges can mean for a child and their family. "Effective care can impact a child for a lifetime," says Dr. Martin. "I love the idea of giving the most fragile infants a chance at life."
Providing specialty care for babies born with complex or high-risk conditions runs in Dr. Martin's family. His mother was a neonatal intensive care unit (NICU) nurse. His uncle is also a neonatologist. "Visiting my uncle's NICU with my mother as a child inspired me to be a doctor," says Dr. Martin.
Phoenix Children's mission to provide hope, healing and the best healthcare for children and their families inspires his care every day. He carries out that mission using a team approach that leverages the expertise of specialists. Together, they create a plan for evidence-based care.
Dr. Martin understands that helping families is an important part of the care he provides, too. "I truly enjoy the moments spent with each family, supporting them during their time of need," says Dr. Martin.
When he's not caring for patients, Dr. Martin relaxes by spending time with his wife, Robin, and children Aydin and Hannah. He also enjoys staying active with tennis, swimming and golf.
David Notrica, MD
Pediatric Trauma Surgery, Medical Director, Trauma | Phoenix Children’s
Dr. David Notrica is originally from Atlanta, Georgia. He graduated Cum Laude from Duke University in 1988 and Emory University School of Medicine in 1992 where he was Class President, winner of the Whitehead Award, and a member of the Alpha Omega Alpha National Medical Honor Society. He completed his General Surgery residency training at Emory University in 1997 where he won the JD Martin award for most outstanding surgical resident. He completed his Pediatric Surgery Fellowship training at Texas Children's Hospital in Houston in 1999.
He is currently the Program Director for the Mayo Clinic/Phoenix Children's Hospital Pediatric Surgery fellowship training program. He is a Professor of Surgery and Child Health at the University of Arizona College of Medicine Phoenix, and an Associate Professor of Surgery at Mayo Clinic Medical School. He has given more than 150 regional, national, and international presentations and has more than 90 peer-reviewed publications.
Dr. Notrica was Chairman of Surgery at Phoenix Children's Hospital before becoming Chief of Staff in 2006. He has been identified multiple times as a Top Doctor by Phoenix Magazine, Best Doctors, and was named a Healthcare Hero by the Phoenix Business Journal in 2014. He co-founded and co-chairs the Western Pediatric Trauma Conference, the Southwest Trauma and Acute Care Symposium, and Trauma Conference International. He was one of the founding members of the ATOMAC pediatric trauma research network.
Dr. Notrica 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. He is currently the Site Principle Investigator on a NIH-funded trauma study using bone marrow derived stem cells to mitigate traumatic brain injury.