Mary MargaretO'NeillMDMPH FACOG NCMP(She/Her)

General Gynecology, General Obstetrics

Ob/Gyn at Cedar OB/GYN

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Office
200 W Campbell Ave
Campbell, CA 95008
Phone+1 408-583-0522

Fax+1 408-583-0527

Dr. Mary Margaret O'Neill is an experienced Obstetrics and Gynecology specialist based in Campbell, CA, with subspecialties in General Gynecology and General Obstetrics. She completed her medical degree at Creighton University School of Medicine in 1985, followed by an internship at Providence Hospital and residencies in Obstetrics and Gynecology at Westchester Medical Center. Dr. O'Neill is actively affiliated with Good Samaritan Hospital and Silicon Valley Surgery Center, and she has maintained a private practice since 1990. Additionally, she has taught at various global health sites and holds a Master of Public Health degree from George Washington University. Her areas of expertise include menopause, polycystic ovarian syndrome, and uterine fibroids, among others.