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A week in intensive outpatient rehab IOP on Long Island
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What Happens in IOP? A Week in Intensive Outpatient Rehab on Long Island

October 12, 2026
3 min read

People searching "what happens in IOP" usually want a concrete week, not a brochure. At Integrity, each IOP group is 3 hours. Clients at that level of care attend at least 9 hours a week. You sleep in your own bed. You still go to work or class if you can. Integrity runs up to 16 IOP groups a week as schedule options. A plan does not have to use every group.

At Integrity Treatment Partners on Long Island, IOP is the main clinical track for adults who need more than weekly therapy and do not need 24-hour residential care.

A normal IOP week

Each IOP group is a 3-hour block led by a licensed clinician (LMSW, LCSW, or LMHC). Topics rotate: relapse prevention, cognitive behavioral therapy, DBT skills, and managing anxiety or depression that travels with the addiction.

On top of groups, you have individual counseling, medication visits when needed, and family sessions if those are part of the plan. Case management handles the unglamorous pieces: transportation questions, sober living referrals, coordination with a prescriber.

Empty group therapy chairs in a circle for intensive outpatient rehab on Long Island
A typical IOP week on Long Island centers on structured group sessions and individual therapy.

Tracks at 2250 Grand Ave, Baldwin:

  • Morning IOP meets at 10:00am and ends at 1:00pm, Monday–Saturday.
  • Afternoon IOP runs at 2:30pm, five days a week.
  • Evening Intensive Outpatient (Alcohol Rehab) meets at 5:30pm and ends at 8:30pm, Monday–Friday.
  • Saturday IOP meets at 10:00am and ends at 1:00pm.

You do not sit in the same room all day. You come for a 3-hour block, leave, and come back.

What a first day actually looks like

Intake starts with a phone call. Admissions books an assessment, often the same day. A clinician reviews substance use history, mental health, medications, work and family constraints, and whether outpatient is safe. If you need medical detox, that happens first, somewhere equipped for it. We do not run a detox unit.

If IOP is the right level, you leave with a schedule, a counselor assignment, and, when indicated, a plan for Suboxone, Sublocade, Vivitrol, or Brixadi. Toxicology testing is part of the program. So is showing up. Missed groups get followed up, not ignored.

Quiet outpatient clinic hallway with soft daylight near intensive outpatient treatment on Long Island
Intensive outpatient rehab keeps people connected to work and home while attending weekday groups.

IOP vs. standard outpatient vs. inpatient

Standard outpatient is fewer hours a week than IOP. Each IOP group is 3 hours. Clients attend at least 9 hours a week. Up to 16 groups a week are schedule options across Morning, Afternoon, and Evening tracks. Inpatient or residential means you live at the facility. Partial hospitalization (PHP) is a step above IOP: roughly 5 days a week, 5 to 6 hours a day. We do not operate a PHP in Baldwin. People stepping down from PHP or inpatient often land in our IOP for that reason.

After the intensive phase, most clients step down into fewer groups rather than stopping cold. That is the part families forget to ask about. Treatment that ends on a Friday with no next appointment is how people relapse on a Monday.

Who IOP is for

Working adults, students, and parents who cannot leave home for 28 days. People with dual diagnosis. People on MAT. People living in coordinated sober housing who need daytime or evening clinical hours. Virtual individual sessions can fill gaps for New York residents who cannot make every trip to Nassau County. Group classes remain in person.

Call (516) 200-1669 to schedule intake. Admissions can review insurance after you call. Learn more at www.integritytreatmentpartners.com.

Integrity Team
Written by

Integrity Team

The editorial team at Integrity Treatment Partners

Published October 12, 2026••About Us