Zachary J. Manfredi, APRN

Dr. Jonathan Barnhard is board-certified in obstetrics and gynecology, as well as maternal and fetal medicine. He completed his residency and fellowship at Albert Einstein College of Medicine/Montefiore Medical Center. Dr. Barnhard is currently the director of obstetrics and maternal-fetal medicine at Norwalk Hospital, and has held many leadership positions across his career including being the former director of obstetrics and gynecology at White Plains Hospital, the former chairman of ob/gyn at Norwalk Hospital and the former vice-chairman of obstetrics and gynecology at Lenox Hill Hospital. Dr. Barnhard is also a clinical associate professor at The Robert Larner MD College of Medicine at The University of Vermont. In addition to his administrative leadership as director of obstetrics, Dr. Barnhard oversees care for women with high-risk pregnancies in collaboration with the mother's obstetrician or midwife.

Madhura Hanmantgad, MD is board certified in Internal Medicine. She completed her Internal Medicine Residency and her Hematology and Medical Oncology Fellowship at Westchester Medical Center/New York Medical College. Her clinical interests include Breast Cancer, Gynecologic Cancer, Colorectal Cancer, Medical Oncology and Hematologic Malignancies. She is an active member of the American Society of Clinical Oncology and the American Society of Hematology. Dr. Hanmantgad believes in providing personalized cancer care to her patients through shared decision-making. She works with an interdisciplinary team of radiation oncologists, surgeons, nurses, pathologists and other specialists to deliver the highest quality of care to her patients. In her free time, she enjoys spending time with her family, playing squash and traveling. See how Dr. Hanmantgad helps patients in this story: Woman keeps hope alive after 23 years with breast cancer

Dr. Zilberman is a board-certified maternal fetal medicine specialist. He believes in individualized, nurturing care and support for expectant mothers with medical conditions or obstetric complications, and for those whose pregnancy is complicated by a fetal structural, genetic abnormality or a multiple gestation. His areas of expertise include prenatal diagnosis, multiple gestations, cervical insufficiency and medical complications of pregnancy such as diabetes, hypertension, thyroid disease and autoimmune disorder. High-risk conditions often affect both the mother and the baby, and involve care from specialists across many disciplines. Dr. Zilberman collaborates with ob/gyn providers, genetic counselors, neonatologists and other subspecialists to help families during complex pregnancies.