Gateway Foundation MENTAL HEALTH SERVICES Gateway Foundation Visit Website 600 West Lincoln Avenue Caseyville, IL 62232 (618) 345-3970 1-888-505-4673 Hours: 24/7 About Map About Alcohol and Drug Treatment Centers What's Nearby? Distance: 5 10 15 20 25 50 mi. ShareTweetShare0 Shares ShareTweetShare0 Shares