Doctors Meet Our Specialist Doctors Michael G. Ross MD MPH Distinguished Professor of Obstetrics and Gynecology and Public Health Contact usmross@laperinatal.org Dr. Marie Beall MD Co-founder of Los Angeles Perinatal Associates Contact usmbeall@laperinatal.org Dr. Sanaz Tafti Contact usstafti@laperinatal.org Dr. Lydia Lee MD Contact usllee@laperinatal.org