Meet Our Renowned Team of Neonatologists

Dr. Craig A. Anderson, DO, brings a wealth of experience to the team. Board-certified in General Pediatrics and Neonatal/Perinatal Medicine, he currently serves as the esteemed Medical Director of the Neonatal Intensive Care Unit at St. John Medical Center. Dr. Anderson is also recognized for his significant contributions as an author and researcher.

Dr. Michelle L Jones, DO, distinguished for her contributions as an author and researcher, is board-certified in both General Pediatrics and Neonatal/Perinatal Medicine. She currently serves as the Medical Director of the Neonatal Intensive Care unit at Hillcrest Medical center as well as the president of Newborn Specialists of Tulsa, Dr. Jones' extensive training at Our Lady of the Lake Regional Medical Center and the University of Arkansas for Medical Sciences ensures she provides top-notch care for newborns.

Dr. Neal K. Sharma, MD, board certified in Pediatrics and Neonatal-Perinatal Medicine, exemplifies dedication through his numerous awards and honors. He currently serves as a Neonatologist at both St. John Medical Center and Hillcrest Medical Center.

Dr. Parker L. Simon, DO, MPH, Dip ABLM, the only physician triple board-certified in General Pediatrics, Neonatal/Perinatal Medicine, and Lifestyle Medicine, brings a unique and comprehensive perspective to the team. Dr. Simon’s research contributions have been recognized with various awards.

Dr. Catherine C. Milner, DO, MS, FAAP, is a board-certified neonatologist with extensive experience providing advanced neonatal care in Level I, II, and IV neonatal intensive care units. She earned her Doctor of Osteopathic Medicine from Oklahoma State University College of Osteopathic Medicine and completed her pediatric residency at the University of Oklahoma College of Community Medicine, followed by a fellowship in Neonatal-Perinatal Medicine at the University of New Mexico. Dr. Milner has served in multiple leadership roles, including Medical Director of the NICU and Newborn Nursery, and has been actively involved in physician education, quality improvement, and resident training. A Fellow of the American Academy of Pediatrics, she has presented research nationally on neonatal outcomes and developmental medicine and remains committed to advancing evidence-based neonatal care through clinical excellence, education, and research.

Dr. Laura Elizabeth Varney, DO, is a board-certified neonatologist with expertise in neonatal-perinatal medicine, medical education, and quality improvement. She provides specialized care for critically ill and premature infants. Dr. Varney's clinical and research interests include neonatal nutrition, respiratory care, and advancing evidence-based practices to improve outcomes for newborns and their families.

Dr. Natalli Bertolotti Heller, M.D., is a neonatologist specializing in the care of premature, critically ill, and medically complex newborns. She is board-certified in pediatrics and is passionate about providing compassionate, evidence-based care while supporting families throughout their NICU journey.

Dr. Heller has a special interest in neonatal resuscitation, medical education, and improving outcomes for high-risk newborns. She values building strong relationships with families and believes that clear communication, compassion, and trust are essential parts of caring for newborns.

Dr. Heller is fluent in English, Spanish, and Portuguese, allowing her to connect with and support families from diverse backgrounds.