The different alcohol and drug abuse rehabilitation services which are accessible to drug and alcohol addicted persons in Tappan, NY. can differ in several different ways. Quite a few substance abuse rehab services take place in a residential or inpatient facility, where clientele remain the entire time they are in rehabilitation which provides a more conducive rehabilitation environment. Others provide substance abuse rehabilitation programs on an outpatient basis which allows for more versatility, though outpatient facilities are not always a suitable drug and alcohol abuse rehab program for individuals in Tappan, NY. who are struggling with serious drug addiction issues. Regardless of whether inpatient or outpatient alcohol and drug abuse rehab programs are chosen, there are also different amounts of time that men and women will be required to stay in the drug and alcohol treatment program. For example, some short-term programs provide services for 30 days or less, while long-term facilities will call for at least a 12 week stay.