Intensive Outpatient Program (IOP):
This is treatment that occurs for several hours a day (often in the evening), several days a week. Patients engage in individual meetings with therapists and/or dietitians at least once weekly, in addition to engaging in daily group treatment. Often at least one daily meal is eaten at the program.
Partial Hospitalization Program (PHP):
This is treatment that occurs for 8-10 hours a day, usually at least several days per week. Patients engage in group and individual treatment. Two or 3 daily meals are eaten at the program.