Dr. Jonathan E. O'brien

Dr. Ronald Wapner is the Director of Reproductive Genetics and Professor of Obstetrics and Gynecology at Columbia University Irving Medical Center. Prior to Columbia University, Dr. Wapner was a Professor of Obstetrics and Gynecology at Drexel University College of Medicine and taught at Thomas Jefferson University for 22 years where he also served as the Director of Maternal Fetal Medicine. Dr. Wapner is an internationally known physician and researcher specializing in reproductive genetics. He pioneered the development of chorionic villus sampling (CVS) and multi-fetal reduction. He has authored or co-authored over 450 publications and he has been an active investigator in the area of Maternal-Fetal Medicine (MFM). Dr. Wapner is highly rated in 26 conditions, according to our data. His clinical expertise encompasses Preeclampsia, High Blood Pressure in Infants, Trisomy 13, Chromosome 13q Duplication, and Hysterectomy. Dr. Wapner is board certified in Clinical Genetics And Genomics (MD), Obstetrics And Gynecology, and Maternal-Fetal Medicine. Dr. Wapner is currently accepting new patients.

Alexander Friedman is a Neonatologist and an Obstetrics and Gynecologist practicing medicine in New York, New York. Dr. Friedman is highly rated in 11 conditions, according to our data. His clinical expertise encompasses Venous Thromboembolism (VTE), Preeclampsia, Eclampsia, Hysterectomy, and Gallbladder Removal. Dr. Friedman is currently accepting new patients.

Lois Brustman is a Neonatologist and an Obstetrics and Gynecologist practicing medicine in New York, New York. Dr. Brustman is highly rated in 7 conditions, according to our data. Her clinical expertise encompasses Gestational Diabetes, Placenta Previa, Methimazole Antenatal Exposure, and Vaginal Bleeding in Pregnancy. Dr. Brustman is currently accepting new patients.