Delmar Gardens Of O'Fallon is a nursing home located in O Fallon , Missouri. This nursing home was first approved to provide Medicare and Medicaid services on 12/15/2004. It has 164 certified beds. Delmar Gardens Of O'Fallon is located 7068 South Outer 364, O Fallon, MO 63368 and can be contacted via phone number (636) 240-6100.