About Loganville Comprehensive Treatment Center in Loganville, GA Loganville Comprehensive Treatment Center (CTC) is a premier provider of outpatient treatment for adults age 18 and older who are suffering from addictions to heroin, prescription painkillers, and other opioids. Located in Loganville, Georgia, our center offers medication-assisted treatment, or MAT. MAT is an evidence-based approach that uses prescription medication and counseling to help people achieve and sustain recovery from opioid addictions. While traditional methadone clinics might offer one type of medication to help relieve patients’ withdrawal symptoms and opioid cravings, our treatment center provides two options for patients.