Dr. Ryan Longman, a leading obstetrician and gynecologist who specializes in medical genetics and obstetric and gynecologic ultrasound, has been named chief of the Department of Obstetrics and Gynecology at NewYork-Presbyterian Lower Manhattan Hospital and recruited as an associate professor of clinical obstetrics and gynecology at Weill Cornell Medicine, effective Jan. 12.
News Release • January 15, 2026