Dr. Mary O'Day is a doctor in Fairfield 94533, Fairfield CA and has an…read more experience of 31 years in this field. Dr. Mary O'Day practices at Craig L Gillespie Md Medical Group in Fairfield 94533, Fairfield CA. She completed Fellowship from Memorial Hermann Hospital in 1996,Residency from Memorial Hermann Hospital in 1994 and Medical School from University of Miami Miller School of Medicine in 1990.
Some of the services provided by the doctor are: Coagulation Disorders,Multiple Gestation,Pregnancy Non-Stress Test,Hypercoagulable State and Congenital Heart Defects etc.read less