• James C. Opitz, MD
• Jody R. Gross, MD, FAAP
• George J. Hoehn, MD
• Edward C. Denny, MD

James C. Opitz, MD

Dr. James Opitz received his neonatology fellowship at the University of Wisconsin Madison and at the University of Minnesota Minneapolis. He was the director of the Perinatal Services beginning in 1970 up through 2000. He was instrumental in organizing regional newborn care for North Central Wisconsin. This is a team concept that involves neonatologists, perinatologists, pediatric subspecialists, respiratory and nursing professionals. Dr. Opitz and his wife Carolyn have four children and five grandchildren. His hobbies include reading and studying the natural environment. 

Jody R. Gross, MD, FAAP

Dr. Gross is a graduate of University of California at Irvine medical school. She did her residency and fellowship at Baylor College of Medicine in Houston, Texas. She moved to Marshfield in 1984 to be the second neonatologist here, and has seen the unit and the practice expand nicely in the intervening years. She and her husband have 3 boys, who are now grown. She enjoys beading jewelry, and her Australian Shepherd dogs. Particular interests within neonatology include pulmonary hypertension and cytomegalovirus infections. Dr. Gross is the Director of the Neonatal Transport Service and is the current Director of the NICU. 

George J. Hoehn, MD

Dr. Hoehn completed his medical school training at Indiana University in 1980. After his Pediatric Residency at the University of Missouri, he moved on to the University of Connecticut for his Neonatology Fellowship, which was completed in 1985. He has been a full-time staff Neonatologist in Marshfield since that time. 

Edward C. Denny, MD

Dr. Denny is a graduate of Jefferson Medical College in Philadelphia and completed both his Pediatric Residency and Neonatal-Perinatal Fellowship at the Children’s Hospital National Medical Center in Washington, DC. Prior to moving to Wisconsin, he practiced medicine in Allentown, Pennsylvania where he was director of the Neonatal Intensive Care Unit. In 1992, he and his family moved to Marshfield where he initially practiced both General Pediatrics and Neonatology. He currently works part-time and restricts his practice solely to the babies in the NICU and the newborn nursery. He lives in Marshfield with his wife and, when time allows, enjoys bicycling and playing the piano.