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Half-Day Treatment is our intensive outpatient program in Hanover, MA. You come in several days a week for a few hours at a time. During those hours, you take part in group therapy, one-on-one sessions, and psychiatric visits. Then you go home. How long you stay depends on how you’re doing, and your clinician checks in with you about it along the way.
“Our proven approach combines the structure of residential care with the flexibility of outpatient living. With this, you receive intensive treatment during the day and return home to your family each evening.” – Brook Management Team
When you compare an IOP program in Massachusetts, look at who runs the sessions, how quickly you can start, and what happens if you need more help. At Brook, we’ve built our program around those areas.
Our facility is fully licensed and accredited to national standards for addiction and behavioral healthcare. We hold the Joint Commission Gold Seal of Approval and LegitScript certification. We follow HIPAA and 42 CFR Part 2, the federal rule that protects addiction treatment records, so we don't share details of your care without your written consent.
Your care team is multidisciplinary and includes master's-level providers. It includes physicians, psychiatrists, addiction specialists, and therapists, plus nutrition, wellness, and spiritual care staff. When a prescription is part of your plan, our team manages medications to monitor dosing and side effects alongside your therapy.
Access to treatment should not involve unnecessary delays. For this reason, our admissions team answers 24/7, and same-day assessments are available. Many people begin care within 24 to 48 hours of their first call.
Our day treatment program, also called partial hospitalization, fills more of the day on more days of the week. It suits people who need close daily monitoring, frequent psychiatric contact, or a full schedule to break a pattern of use. IOP uses the same therapies with fewer hours. You practice coping skills at work and at home between sessions, then bring what happened back to group.
Many clients start IOP right after finishing day treatment. Both programs share a building and a team, so your therapist and psychiatric provider already know your history, and your plan carries over. The move also works in the other direction. When cravings, a slip, or rising anxiety start to outpace a once-a-week counseling appointment, IOP gives you several sessions of support each week.
Our intensive outpatient program in Hanover, MA, follows a set weekly schedule, so you can plan work, childcare, and rides around it from the start. You’ll get your exact days and session times during intake.
Group therapy makes up most of your hours. A typical day might open with a check-in, move into a CBT or DBT skills group, and close with a process group where people talk through their week. Some groups are led by staff with personal experience with addiction, which makes it easier to say the hard thing out loud.
You also meet with your primary therapist for individual counseling every week. In those sessions, you build and revise your plan around your own triggers, your home life, and your goals.
If you take medication for cravings, mood, or sleep, you’ll also see a provider from our psychiatry team on a regular schedule. Those visits catch mood changes early, before they become a setback.
Cravings usually have a story behind them, such as a stressful job, an old trauma, or a pattern of coping that stopped working. Our IOP uses several therapies to work on that story, not just the substance use. We review your plan regularly, and the mix of therapies shifts as you progress.
Therapeutic approaches may include:
CBT targets the thoughts that come right before use, like “one won’t matter” or “I’ve earned this.” In group, you practice catching those thoughts and testing them against what happened the last time you acted on them.
Intense emotion is one of the fastest routes back to use. DBT gives you distress tolerance and emotion regulation skills to ride it out, which you practice between sessions and report back on.
Didactic sessions are classroom-style. Topics include how substances change brain chemistry, what post-acute withdrawal feels like, and how relapse builds over days or weeks before the first drink or use.
Unresolved trauma keeps many people using. Our trauma-informed clinicians help you work through those experiences at a pace that keeps you stable.
The story you tell about yourself shapes what feels possible. In narrative therapy, you separate who you are from the problem and rewrite the parts of that story that keep you stuck.
Some feelings are hard to reach by talking. Role-play and hands-on exercises get at them more directly, and rehearsing a difficult conversation in session makes it easier to have it at home.
Art, music, and writing give you another way in when words run dry. You don’t need any artistic skill, and whatever shows up on the page becomes something you and your therapist can talk about.
Recovery works best when care remains coordinated and adaptable. Therefore, Brook Addiction Treatment offers a structured continuum of care that supports smooth transitions as needs change. This approach benefits individuals who are beginning treatment, stepping down from a higher level of care, or preparing for long-term recovery.
Clinically supervised withdrawal support when clinically indicated.
Integrated support for substance use and mental health conditions.
Continued structure and support following formal treatment.
Our Half-Day Treatment Program is an intensive outpatient program (Level 2.1) under the American Society of Addiction Medicine (ASAM) criteria, which insurers and clinicians use to match people to care. Some of its biggest advantages have little to do with the therapy itself. They show up in your finances, your privacy, and your support network.
Key benefits include:
These advantages also shape what happens after IOP ends. Your job, your coverage, and your local connections are still in place, so you finish the program with less to rebuild.
Research shows that consistent participation in intensive outpatient treatment is associated with improved recovery outcomes. Studies indicate that early engagement and continued participation in outpatient substance use treatment are linked to greater stability and reduced health risks over time. These findings reinforce the importance of staying actively involved in structured care throughout recovery.
Evidence also suggests that structured intensive outpatient programs support improvements in both substance use outcomes and mental health functioning. Programs that combine clinical oversight, group involvement, and evidence-based therapy help people strengthen coping skills, regulate emotions, and maintain progress in daily life.
— Getting Started
Starting IOP takes three steps, and most of the legwork happens on our side.
Your first conversation is a confidential assessment with our admissions team. We ask about substance use, past care, physical and mental health, and your weekly schedule. If IOP isn’t the right starting point, we’ll explain why and recommend the level of care that fits.
Our team runs your benefits check while you’re scheduling your assessment, including whether your plan needs prior authorization for IOP. You’ll have the results before your first day.
Plan to arrive a little early on day one to finish paperwork. You’ll meet your primary therapist, get your group schedule, and join your first sessions. Bring a photo ID, your insurance card, and a list of your current medications.
Brook Addiction Treatment works with most major insurance providers, and IOP for addiction treatment may be covered under your plan’s behavioral health benefits. We offer complimentary insurance verification so individuals can quickly understand their benefits before starting treatment. Our admissions team takes time to explain coverage details, including what services may be included and what out-of-pocket costs to expect.
When insurance coverage is limited, flexible payment options may be available based on eligibility. Our team approaches financial conversations with transparency and respect, helping individuals explore available options without pressure. The goal is to reduce cost uncertainty so clients can focus on recovery and next steps with confidence.





If you’re weighing whether IOP makes sense right now, a short conversation with our admissions team will give you a clear answer. If it’s the right level of care, you’ll leave the call with a start date. Questions about cost, scheduling, or what the group is like are all fair game, and nothing you share commits you to our intensive outpatient program in Hanover, MA. You can call any time or contact us online, and someone from our team will follow up.
FAQ
These are the questions people ask once IOP looks like the right level of care and the practical planning starts.
Let your therapist know as early as you can, and we’ll work out how to cover what you missed in group or a one-on-one session. If absences start to stack up, we’ll sit down with you and look at whether your schedule or level of care needs adjusting.
Addiction treatment may be protected under FMLA and the ADA, depending on factors like how long you’ve worked there and your hours. You decide how much to share with HR, and our team can help you plan that conversation and request the schedule changes you need.
We look at progress toward your treatment plan goals, consistent attendance, and whether you’re using your relapse prevention plan in daily life. Before your last IOP day, we’ll line up aftercare, such as weekly counseling or recovery coaching.
Not when the level of care matches your needs. The right program depends on how much daily structure you need, so starting where your assessment recommends matters more than choosing the program with the most hours.
A slip doesn’t end your care with us. We’ll review what happened and adjust your plan. If you need more structure for a while, you can step up to day treatment and return to IOP once things are steady.
Yes, with your written consent. Partners, parents, adult children, and even a sponsor can join family sessions, where our therapists help everyone work on communication, boundaries, and support at home. You decide who’s involved and what we can share.