39 reviews of Monica Hannon, MD & Ziyad Hannon, MD, FACOG "At 7 months pregnant, my husband and I moved to San Francisco and had to find a new OBGYN to deliver our baby. While the move to SF was quite stressful, the transition to our new OBGYN was not! Dr. Monica Hannon was amazing and we were so lucky to have found her. She thoughtfully listened and thoroughly answered any and all questions ....