Per the Substance Abuse and Mental Health Services Administration, there are over 350 drug rehab centers in Indiana. This number includes just under 40 long-term facilities, more than 35 short-term rehab centers, over 80 detox services, and a little less than 300 outpatient programs. Addicted.Org has a database of the various substance abuse services available throughout the state. According to SAMHSA, there are 49 drug rehab centers in Indianapolis, Indiana. These options include drug and alcohol detox programs, outpatient treatment, and residential drug and alcohol rehab.