Dr. Beyda earned his medical degree from the Stritch School of Medicine of Loyola University in Chicago, Illinois. He completed his residency in Pediatrics at the University of Louisville Children’s Hospital in Louisville, Kentucky and his fellowship in Pediatric Critical Care Medicine at John Hopkins University Hospital in Baltimore, Maryland. After completing his fellowship, Dr. Beyda came to Phoenix Children’s where he served as the Division Chief of Critical Care Medicine for twenty-three years.
Dr. Buttram earned her medical degree at Wayne State University in Detroit, Michigan. She completed her Pediatrics residency, chief residency, and fellowship training at the Children’s Hospital of Pittsburgh in Pittsburgh, Pennsylvania. Dr. Buttram’s expertise is in Neuro Critical Care and she is involved in many of the neuroscience projects and studies within the hospital and division. She facilitates and supervises fellows participation in the ICU EBM Journal Club. Importantly, Dr. Buttram organizes and sets the clinical call schedule for the division.
Dr. Cheah earned his medical degree from the University of Malaya Medical Faculty in Kuala Lumpur, Malaysia. He completed residencies in Pediatrics at both the University Hospital in Kuala Lumpur and at the Children’s Hospital of Wisconsin in Milwaukee. Dr. Cheah completed his fellowship in Pediatric Critical Care Medicine at the Children’s Hospital of Los Angeles in Los Angeles, California. His research interest is in pediatric resuscitation.
Dr. Graham earned a master’s degree in Physiology as well as his medical degree from Georgetown University. He completed his Pediatric residency at Georgetown and his Pediatric Critical Care Medicine fellowship at St. Joseph’s Hospital in Phoenix, Arizona. Dr. Graham is the Medical Director of the Pediatric Intensive Care Unit and Medical Director of the Respiratory Care department at Phoenix Children’s Hospital. He has expertise in ventilation strategies and alternative respiratory therapies as well as in practice management.
Dr. Liu received his medical degree from the Ohio State University College of Medicine in Columbus, Ohio. He completed a residency in Pediatrics at the Columbus Children’s Hospital and then completed a fellowship in Pediatric Critical Care Medicine at Pittsburgh Children’s Hospital. Dr. Liu also completed an anesthesiology residency at the Mayo Clinic in Rochester, Minnesota before joining the staff at Phoenix Children’s Hospital. He has expertise in Neuro Critical Care, airway management, and pain and sedation. Dr. Liu also serves as the liaison with the Pharmacy and Anesthesia departments
Robert B. Rosenberg, MD
Dr. Rosenberg earned his medical degree and doctor of philosophy from the University of Louisville in Louisville, Kentucky. Dr. Rosenberg completed his Pediatrics residency and fellowship in Pediatric Critical Care medicine at Children’s Hospital in Columbus, Ohio. Until 2001, when he came to Phoenix, Dr. Rosenberg was medical director of the PICU at University Medical Center, Texas Tech University Health Sciences Center in Lubbock, Texas. He has been named to Best Doctors of America for the years 2003 to 2011 inclusive.
Paul P. Tafoya, MD
Dr. Tafoya earned a Bachelor of Science Degree in Sociology and Anthropology at Lewis and Clark College in Portland, Oregon. After a year-long study abroad program in South America, he attended the Ohio State University College of Medicine in Columbus, Ohio, where he received his medical degree. Dr. Tafoya graduated from Phoenix Children’s Hospital combined Internal Medicine/Pediatrics residency program with Good Samaritan Regional Medical Center in Phoenix. He completed a fellowship in Pediatric Critical Care Medicine and an additional year of Cardiac Critical Care at the Children’s Hospital Los Angeles. While in Los Angeles, Dr. Tafoya also participated in the first fellowship program involving a Leadership and Professionalism curriculum. He serves as the Pediatric Residency Coordinator for the PICU.
Dr. Tellez received his medical degree from the University of California, San Diego. He completed his residency in Pediatrics at Phoenix Children’s Hospital and his fellowship in Pediatric Critical Care Medicine at Children’s Hospital of Los Angeles. He is the Medical Director of Pediatric Transport and facilitates education in Transport Medicine. Dr. Tellez has expertise in ventilation strategies, alternative respiratory therapies, and pediatric resuscitation. He is a member of the PALISI research group.
Vinay Vaidya, MD
Dr. Vaidya is the Chief Medical Information Officer at Phoenix Children’s Hospital. He earned his medical degree at the GS Medical College in Bombay, India and completed a fellowship in Pediatric Critical Care Medicine and Extracorporeal Membrane Oxygenation at the Children's National Medical Center at George Washington University in Washington, D.C. Dr. Vaidya practiced academic medicine for many years at the University of Maryland and was program director for its fellowship in Pediatric Critical Care Medicine. He participates in the clinical and research curriculum with expertise in information technology and related applications.
Dr. Willyerd received his medical degree from the Creighton University School of Medicine. He completed his residency at Phoenix Children's Hospital and his fellowship in Pediatric Critical Care Medicine at Children's Hospital of Pittsburgh. In addition to his clinical duties, Dr. Willyerd conducts research into the transport of medications across the blood brain barrier of the injured brain.
Elizabeth A. Zorn, MD
Dr. Zorn received her medical degree from the University of South Dakota School of Medicine in Vermilion, South Dakota. She completed a combined Internal Medicine/Pediatrics residency program at Good Samaritan Regional Medical Center in Phoenix, Arizona and completed her fellowship in Pediatric Critical Care Medicine at LeBonheur Children’s Medical Center in Memphis, Tennessee. Dr. Zorn oversees Pediatric Critical Care Medicine Quality Improvement Initiatives and supervises fellow participation in these activities.