John Puetz, MD

Marty Koenegstein, PNP is a board certified pediatric nurse practitioner at SSM Health Cardinal Glennon Pediatrics. Marty completed her Master’s Degree at the University of Missouri – St. Louis. She cares for patients pediatrics ranging from newborns to 18 years of age.

Michelle Phillips, MD is a pediatrician with SSM Health Cardinal Glennon Pediatrics. She is certified by the American Board of Pediatrics. Dr. Phillips takes special interest in breastfeeding support and counseling for moms as well as weight management and obesity counseling for the family. Dr. Phillips completed her medical degree at the University of Missouri-Columbia. She then completed her residency at the Ohio State University College of Medicine. While at Ohio State she was the chief resident, and she was an Assistant Professor of Pediatrics. Dr. Phillips is a fellow of the American Academy of Pediatrics.

Amanda Rohlfing, MD, is a board-certified pediatrician with SSM Health Cardinal Glennon Pediatrics. She cares for pediatric patients ranging from newborns to 18 years of age and sees patients for well-child check-ups, school physicals and other common illnesses, including ear infections and asthma symptoms. Dr. Rohlfing completed her medical degree at St. George’s University School of Medicine and completed her residency at SUNY Upstate Medical University. Additionally, Dr. Rohlfing is a member of the American Academy of Pediatrics.