Meet the Downtown Chicago Maternal–Fetal Medicine Team

Our team is made up of highly skilled, internationally recognized maternal–fetal specialists. These specialists are committed to providing outstanding, comprehensive care for patients with high-risk pregnancies.


Our physicians are full-time teaching faculty of Northwestern University Feinberg School of Medicine. They are also board-certified specialists in obstetrics and gynecology and maternal–fetal medicine.


Fellows are physicians who have completed their training in Obstetrics and Gynecology and are now obtaining additional specialized training in Maternal–Fetal Medicine.

Advanced Practice Registered Nurse – Diabetes Educator

Charlotte M. Niznik is an advanced practice registered nurse in the Division of Maternal–Fetal Medicine for the Northwestern Medicine Department of Obstetrics and Gynecology. She is a Certified Diabetes Educator. She specializes in women's health with a focus in diabetes and pregnancy management.


  • Elvia Heredia, RN
  • Linda Jagielski, LPN
  • Karyn Lasin, RN
  • Amy Quick, RN

Support Staff

  • Elizabeth Blach
  • Amanda Butler
  • Linda Hernandez
  • Vicky Onifade
  • Liliana Serrano