Home Locations Sinai OB/GYN Associates - Mays Chapel Sinai OB/GYN Associates - Mays Chapel Sinai OB/GYN Associates - Mays Chapel 12221 Tullamore Road Lutherville-Timonium, MD 21093 United States Get Directions 410-601-5530 410-601-8665 8 a.m. - 4:30 p.m. Find A Doctor about Find A Doctor