Find IOP Programs for Addiction Treatment Near You
An intensive outpatient program, commonly called IOP, provides structured addiction treatment several days each week while allowing patients to live at home or in supportive housing. IOP can include individual and group therapy, medication management, substance use counseling, dual diagnosis treatment, drug and alcohol monitoring, family services, and relapse-prevention planning. Compare programs by location, weekly schedule, clinical services, medications, mental health capability, insurance, and continuing care.
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IOP lets you live at home while receiving structured addiction treatment several days each week.
Intensive outpatient treatment is designed for people who need more support than ordinary weekly counseling but do not currently need to live at a treatment facility. You attend scheduled therapy and clinical services during the week, then return home and continue daily responsibilities such as work, school, parenting, or family life.
IOP works best when you can safely live outside a treatment facility.
The right level of care depends on withdrawal risk, recent substance use, overdose history, mental health symptoms, medical needs, your home environment, and how much support you need between treatment sessions.
IOP may be a good fit
Intensive outpatient treatment may make sense when you are medically stable, can remain safe outside treatment hours, and have a home or recovery environment that supports treatment.
- You do not need 24-hour supervision
- Acute withdrawal has already been addressed
- You can travel to treatment several days each week
- You can safely return home after sessions
- You want to continue work, school, or family responsibilities
You may need more support than IOP
PHP or residential treatment may be more appropriate when cravings, psychiatric symptoms, repeated substance use, or the home environment make several hours of treatment a few days per week insufficient.
- You are repeatedly using between IOP sessions
- Your home environment makes recovery difficult
- You need treatment for most of the day
- You recently left detox or residential care and still need substantial structure
- Mental health symptoms require closer monitoring
You may need detox or residential treatment first
IOP is not a substitute for medical stabilization or 24-hour addiction treatment. Significant withdrawal risk, repeated overdose, severe intoxication, acute psychiatric symptoms, or an unsafe living situation can require a higher level of care.
- You may be at risk for dangerous withdrawal
- You cannot safely stop using outside a supervised setting
- You have experienced recent overdose
- You do not have a safe or stable place to stay
- You need around-the-clock clinical or recovery support
Not sure IOP is enough?
Compare detox, residential treatment, PHP, IOP, and standard outpatient programs based on how much medical, psychiatric, and day-to-day support you need.
Need a higher level of addiction treatment?
Browse treatment centers offering detox, residential care, partial hospitalization, dual diagnosis treatment, and other structured programs.
What is an intensive outpatient program for addiction?
An intensive outpatient program is a structured form of substance use disorder treatment delivered while the patient continues living outside the treatment facility. IOP provides substantially more clinical contact than occasional outpatient appointments but less weekly treatment time than a partial hospitalization program.
Treatment is commonly divided across several days each week. Programs may operate during the morning, afternoon, or evening, which can make IOP more practical for people who need continued addiction treatment while returning to work, school, parenting, or other responsibilities.
IOP should still function as a coordinated treatment program rather than a collection of unrelated therapy appointments. The patient’s substance use, mental health, medications, living environment, recovery supports, and progress should be considered together.
- Structured treatment multiple times per week
- Individual and group counseling
- Substance-use assessment and ongoing reassessment
- Medication treatment when available or coordinated
- Mental health services when clinically needed
- Family education or therapy when appropriate
- Relapse-prevention and continuing-care planning
- Support for returning to work, school, family, and community life
What does ASAM Level 2.1 mean?
The ASAM Criteria organizes addiction treatment according to clinical intensity and patient needs. In the Fourth Edition, Level 2.1 remains Intensive Outpatient treatment.
Level 2.1 Intensive Outpatient
ASAM describes Level 2.1 as structured intensive outpatient addiction treatment. For adults, this level generally involves 9 to 19 hours of clinical services per week.
Less intensive than Level 2.5
ASAM Level 2.5 is High Intensity Outpatient treatment, commonly associated with PHP-style treatment. It provides substantially more weekly clinical programming than Level 2.1.
Placement is based on need
Treatment hours alone do not determine the correct level of care. Substance-use risk, withdrawal, medical needs, psychiatric symptoms, functioning, recovery environment, and other individual circumstances all matter.
Who may benefit from an addiction IOP?
IOP can serve several roles within addiction treatment. Some patients enter IOP directly, while others transition into it after detox, residential treatment, or PHP.
Stepping down from PHP
Someone who no longer needs PHP’s daytime intensity may still benefit from several structured treatment sessions each week while gradually taking on more work, family, and community responsibilities.
Returning home after residential care
IOP can provide continued therapy, medication support, accountability, and relapse-prevention work while a patient adjusts from a protected residential setting to everyday life.
Needing more than weekly therapy
A person struggling with cravings, repeated substance use, unstable recovery routines, or limited progress in standard outpatient treatment may need more frequent clinical contact.
Stable enough to live outside treatment
IOP generally fits people whose medical, withdrawal, psychiatric, and behavioral risks can be safely managed without 24-hour supervision.
Managing work or school
Morning and evening IOP schedules can allow some patients to continue employment, education, parenting, or other responsibilities while maintaining structured treatment.
Needing ongoing dual diagnosis treatment
IOP may help people who continue to need treatment for depression, anxiety, trauma, or other psychiatric symptoms alongside substance use disorder care.
When might someone need more care than IOP?
IOP leaves patients outside the treatment environment for most of the week. Some withdrawal, psychiatric, medical, substance-use, or environmental risks require more intensive support.
Significant withdrawal risk
Alcohol, benzodiazepine, opioid, and polysubstance withdrawal can require medical assessment and, in some situations, a withdrawal-management level of care before ordinary IOP is appropriate.
Medical instability
Serious intoxication, overdose complications, seizures, delirium, severe dehydration, uncontrolled medical conditions, or other acute problems can require emergency or hospital-level care.
Acute psychiatric symptoms
Severe suicidality, psychosis, mania, dangerous behavior, or inability to maintain safety outside scheduled sessions can require emergency evaluation or more intensive psychiatric treatment.
Continued high-risk substance use
Repeated overdose, frequent intoxication, inability to remain safe between sessions, or escalating substance use may signal that the current treatment intensity is insufficient.
Unsafe home environment
Returning every day to active substance use, violence, severe conflict, or another destabilizing environment may make residential treatment, recovery housing, or another higher-support setting more appropriate.
IOP is not producing stability
Treatment should be reassessed when someone continues deteriorating despite regular attendance. Moving to more intensive care can be appropriate when risks or treatment needs increase.
What does an addiction IOP schedule look like?
There is no single national schedule used by every IOP. Programs commonly divide treatment across several days each week, and the exact timing depends on the facility, patient population, clinical needs, licensing requirements, and insurance rules.
Clinical check-in
Treatment may begin with discussion of recent substance use, cravings, medication issues, mental health symptoms, sleep, stress, recovery activities, and problems since the previous visit.
Group treatment
Group sessions can address relapse prevention, coping strategies, emotions, relationships, substance-use patterns, recovery skills, communication, and other treatment goals.
Individual or medication visits
Individual counseling, psychiatric appointments, medication management, case management, or other services may occur according to the patient’s treatment plan.
Recovery between sessions
Patients practice recovery skills in everyday life between treatment days while continuing work, family activities, peer support, medications, or other parts of the continuing-care plan.
Daytime and evening IOP programs
Flexible scheduling is one of the practical differences between IOP and higher levels of care. Some programs offer more than one treatment track so patients can attend around work, education, caregiving, or transportation needs.
Morning IOP
Morning programming may work for people who work later shifts, attend afternoon classes, or prefer to complete treatment earlier in the day.
Afternoon IOP
Afternoon schedules can provide another option when mornings or evenings conflict with medical appointments, family responsibilities, transportation, or employment.
Evening IOP
Evening treatment can make structured addiction care more accessible to people who work or attend school during normal daytime hours.
What services can addiction IOP programs provide?
IOP programs vary. A program should be able to explain which clinical services are included, which services are delivered by outside providers, and how the entire treatment plan is coordinated.
Individual Therapy
Individual sessions can focus on substance-use patterns, triggers, motivation, cravings, relationships, mental health symptoms, trauma, recovery goals, and barriers affecting treatment.
Group Therapy
Group treatment provides repeated opportunities to practice coping strategies, discuss recovery challenges, learn from others, and work on behavioral and interpersonal skills.
Medication Management
Some programs prescribe addiction and psychiatric medications directly. Others coordinate medication treatment with primary care, psychiatry, addiction medicine, or an opioid treatment program.
Family Services
Family therapy or education may address communication, boundaries, household expectations, medications, overdose risk, recovery support, and responding to a return to substance use.
Case Management
Case managers may help coordinate medical care, housing, transportation, employment, education, legal obligations, insurance, and other needs that can affect treatment participation.
Substance Monitoring
Drug and alcohol testing may be used as one clinical tool for understanding treatment progress, medication safety, or return to substance use.
Psychiatric Services
Dual diagnosis capable IOPs may provide psychiatric assessment, medication review, symptom monitoring, individual therapy, and coordinated treatment for mental health conditions.
Recovery Support
Programs may connect patients with peer specialists, recovery coaches, mutual-support groups, alumni services, community recovery organizations, and other forms of ongoing support.
Continuing-Care Planning
Treatment should prepare for what comes after IOP, including ordinary outpatient therapy, medications, psychiatry, peer support, recovery housing, and primary medical care when needed.
Therapy approaches used in addiction IOP programs
Behavioral treatment should address the specific problems contributing to substance use rather than relying on the same therapy plan for every patient.
Cognitive Behavioral Therapy
CBT can help patients identify thoughts, situations, emotional states, and behaviors connected with substance use while developing new coping and problem-solving strategies.
Motivational Interviewing
Motivational interviewing can help people examine uncertainty about substance use, medications, treatment participation, relationships, and other behavioral changes.
Contingency Management
Contingency management uses structured positive reinforcement to support treatment participation and recovery-related behaviors. It has particularly strong evidence for stimulant-use disorders.
DBT-Informed Treatment
Dialectical behavior therapy skills can address distress tolerance, emotion regulation, interpersonal conflict, impulsive behavior, and other problems that may contribute to substance use.
Trauma-Informed Care
Trauma-informed treatment emphasizes safety, trust, choice, pacing, and recognition of trauma-related triggers. Focused trauma therapy should be matched to clinical stability and individual needs.
Family Therapy
Family therapy can help relatives understand substance use disorders, communicate more effectively, establish healthier boundaries, and prepare for changes as recovery progresses.
Which addictions can be treated in IOP?
IOP can be used for many substance use disorders when the person’s current withdrawal, medical, psychiatric, and environmental risks can be safely managed outside a residential or hospital setting.
Alcohol Use Disorder
IOP can provide counseling, medication management, relapse prevention, psychiatric care, family services, and ongoing recovery support after acute withdrawal concerns are addressed.
Opioid Use Disorder
IOP may combine therapy with medications such as buprenorphine or naltrexone. Patients using methadone for opioid use disorder can receive treatment through an opioid treatment program while other services are coordinated.
Stimulant Use Disorders
Cocaine and methamphetamine treatment may include behavioral therapies, contingency management where available, psychiatric assessment, sleep stabilization, recovery support, and relapse-prevention planning.
Benzodiazepine Use
Benzodiazepine withdrawal can be medically serious. A clinician should determine whether a patient first needs medically managed withdrawal or another level of care before ordinary intensive outpatient treatment.
Cannabis Use Disorder
Treatment may focus on behavior change, motivation, sleep, anxiety, coping skills, family issues, social routines, and other factors contributing to continued cannabis use.
Polysubstance Use
When several substances are involved, assessment should consider combined withdrawal risks, overdose risk, medication interactions, mental health symptoms, and whether outpatient treatment provides enough support.
Can you receive addiction medication while attending IOP?
Yes. Medication treatment can be an important part of outpatient addiction care. Some IOP programs have addiction medicine or psychiatric prescribers within the same organization, while others coordinate with outside healthcare providers.
Medications used for opioid use disorder include buprenorphine, methadone, and naltrexone. Methadone for opioid use disorder is dispensed through certified opioid treatment programs, so patients may receive methadone through an OTP while attending counseling or other treatment elsewhere.
Medications are also available for alcohol use disorder. Psychiatric medications may be used when depression, anxiety, bipolar disorder, trauma-related conditions, or other mental health needs occur alongside addiction.
- Ask whether addiction medications are prescribed on site
- Ask how methadone care is coordinated when applicable
- Confirm who manages psychiatric medications
- Ask how medication side effects or adherence problems are handled
- Confirm how prescriptions continue after IOP ends
IOP for addiction and mental health treatment
Substance use disorders frequently occur alongside mental health conditions. Current addiction-treatment standards emphasize identifying and addressing co-occurring psychiatric needs as part of treatment planning.
Depression and Anxiety
IOP may combine addiction counseling with psychotherapy, psychiatric assessment, medications, safety planning, and treatment for depression, anxiety, panic, or related symptoms.
PTSD and Trauma
Trauma-related symptoms can affect cravings, sleep, emotional regulation, relationships, and return to substance use. Treatment should address these connections with appropriate pacing and clinical support.
Bipolar and Psychotic Symptoms
Significant mood instability, mania, psychosis, or severe psychiatric symptoms require careful assessment. Some symptoms can be managed in outpatient care, while more acute presentations may require a higher level of treatment.
IOP vs. PHP, residential, and standard outpatient treatment
The major difference between these treatment settings is not simply where therapy occurs. They provide different amounts of structure, supervision, clinical contact, and support outside treatment hours.
Residential Treatment
Patients live within the treatment environment and receive structured recovery support throughout the day and night. Residential care can fit people who need substantially more environmental support than outpatient treatment provides.
PHP
Partial hospitalization provides highly intensive daytime treatment while the patient lives outside the facility. PHP generally involves considerably more weekly treatment time than IOP.
IOP
Intensive outpatient treatment provides structured clinical services multiple times per week while leaving more time for work, school, family, community life, and independent recovery activities.
Standard Outpatient
Standard outpatient care may involve weekly or periodic individual therapy, group sessions, medication appointments, psychiatry, or recovery support with less overall weekly structure.
Can you work or go to school while attending IOP?
Many people choose IOP specifically because it allows greater participation in ordinary life than residential treatment or PHP. Whether a particular schedule works depends on the treatment program, job or school schedule, transportation, health, and clinical needs.
Someone attending evening IOP may work during the day, while a morning program may fit a person who works later hours. Students may schedule classes around treatment when programs offer enough flexibility.
Flexibility should not come at the expense of needed care. A person who requires PHP, residential treatment, withdrawal management, or another higher level should not be placed in IOP solely because it is easier to fit around work.
- Ask exactly which days treatment occurs
- Confirm start and end times before admission
- Ask how missed sessions are handled
- Consider travel time between work, school, home, and treatment
- Ask whether individual appointments occur outside normal group hours
- Discuss employment or school demands during the clinical assessment
Can an addiction IOP be offered online?
Some providers offer telehealth components or virtual intensive outpatient services. Availability depends on the program, clinical needs, state licensing requirements, insurance coverage, the patient’s location, and whether services can be delivered safely through telehealth.
Access from home
Telehealth can reduce transportation barriers and may make structured treatment easier to attend for people who live far from a program or have significant work and family responsibilities.
Not every service is virtual
Toxicology testing, physical examinations, certain medication services, emergency evaluations, and other clinical needs may still require in-person care.
Ask how the program is structured
Confirm which services occur by video, which require in-person visits, how privacy is protected, how emergencies are handled, and whether insurance covers the virtual program.
Where do patients live while attending IOP?
Most IOP patients live outside the clinical program. They may stay at home, with supportive family, independently, or in a recovery residence.
The living environment matters because most of the patient’s week is spent outside treatment. Easy access to substances, conflict, violence, unstable housing, social isolation, or living with people who are actively using drugs or alcohol can make recovery more difficult.
Recovery residences can provide additional structure for some people attending IOP, but housing and clinical treatment are separate services. Costs, rules, transportation, medication policies, and the relationship between the residence and treatment center should be explained clearly.
- Evaluate whether the home environment supports recovery
- Ask about transportation to IOP
- Confirm whether recovery housing is optional or required
- Ask whether housing fees are separate from treatment
- Understand medication, visitor, curfew, and testing rules
Browse addiction treatment centers offering more intensive levels of care.
IOP allows you to live at home, but that level of independence is not right for everyone. If you need medical detox, residential treatment, PHP, dual diagnosis care, or a more structured recovery environment, search treatment options in your city and compare the levels of care available.
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How long does addiction IOP last?
There is no single correct number of weeks for every patient. Treatment intensity and duration should respond to progress, current risks, symptoms, recovery environment, medication needs, and the person’s ability to function outside treatment.
Beginning IOP
The clinical team evaluates recent substance use, cravings, withdrawal history, medical needs, psychiatric symptoms, medications, functioning, housing, support, and prior treatment.
Reassessment
Progress should be reviewed throughout treatment. Continued substance use, worsening symptoms, improved stability, medication changes, and new environmental problems can all affect the appropriate level of care.
Transitioning from IOP
A patient may step down to standard outpatient treatment when less structure is appropriate, remain in IOP when continued intensity is useful, or move to PHP, residential, or another level if risks increase.
Does insurance cover addiction IOP?
Many health plans include intensive outpatient behavioral health or substance use disorder treatment, but actual coverage depends on the plan, provider network, diagnosis, medical necessity, authorization requirements, location, and services delivered.
Commercial Insurance
Private insurance plans may cover IOP when their clinical and network requirements are met. Deductibles, copayments, coinsurance, prior authorization, and approved treatment duration vary.
Medicaid
Medicaid substance-use benefits, covered IOP services, provider networks, authorization rules, and payment arrangements vary by state and managed-care plan.
Medicare
Medicare Part B includes an intensive outpatient program benefit for qualifying mental health and substance use disorder treatment. Medicare describes IOP as care between ordinary outpatient therapy and partial hospitalization or inpatient psychiatric care.
Questions to ask about IOP coverage
- Is the IOP in network?
- Does treatment require prior authorization?
- How many IOP visits or weeks are initially authorized?
- How often does the insurer review continued medical necessity?
- Are psychiatric appointments billed separately?
- Are medications billed through the pharmacy benefit?
- Does telehealth IOP have the same coverage?
- Are drug-testing charges included?
- Is recovery housing a separate cost?
How can families support someone attending IOP?
IOP places much of recovery back into everyday life. A patient may spend only part of several days in formal treatment, making the home environment and family relationships especially important.
Family involvement can include therapy, education, medication support, transportation, changes to the home environment, overdose awareness, crisis planning, and preparation for less intensive care.
- Understand when treatment sessions occur
- Know which medications are being used
- Reduce unnecessary access to alcohol or drugs in the home
- Learn warning signs of relapse, overdose, and psychiatric crisis
- Participate in family treatment when appropriate
- Know who to contact when concerns arise between IOP sessions
Intensive Outpatient Treatment Access
Compare daytime and evening IOP, addiction medications, dual diagnosis treatment, therapy, insurance, telehealth, recovery housing, and continuing care by location.
Find a Schedule That Fits
Ask exactly which days and hours treatment occurs, which services are included, how medications are managed, and whether the program provides enough support for your current needs.
How do you compare addiction IOP programs?
The term IOP describes a level of treatment intensity, but individual programs can differ substantially in schedule, staffing, medications, therapies, psychiatric capability, and continuing-care services.
Confirm the actual schedule
Ask which days treatment occurs, how long each session lasts, whether daytime and evening tracks are available, and how individual appointments fit around group programming.
Ask who provides treatment
Confirm the credentials and roles of therapists, addiction counselors, physicians, nurses, psychiatric providers, case managers, and peer-support staff.
Check medication access
Ask whether medications for opioid or alcohol use disorder are offered, whether psychiatric medications can be managed, and how outside prescribers are coordinated.
Evaluate dual diagnosis capability
Ask which psychiatric conditions the IOP treats, how quickly psychiatric evaluations occur, and what happens when symptoms become too severe for outpatient treatment.
Consider life outside treatment
Transportation, housing, work, school, childcare, relationships, access to substances, and family support can determine whether IOP is realistic and safe.
Ask what happens after IOP
Confirm how outpatient therapy, medication management, psychiatry, peer support, recovery housing, primary care, and other continuing services are arranged before discharge.
IOP addiction treatment questions
Common questions about intensive outpatient schedules, ASAM Level 2.1, medications, work, housing, telehealth, insurance, and how IOP compares with other levels of care.
What does IOP stand for in addiction treatment?
IOP stands for intensive outpatient program. It provides structured substance use disorder treatment multiple times per week while the patient continues living outside the treatment facility.
Is IOP considered outpatient treatment?
Yes. Patients are not admitted to live at the facility. IOP is more intensive than standard outpatient counseling but allows people to return home or to supportive housing after treatment sessions.
How many hours per week is an addiction IOP?
ASAM Level 2.1 Intensive Outpatient treatment for adults generally provides 9 to 19 hours of structured clinical services per week. Individual programs and insurance benefits can use different schedules and requirements. Medicare’s IOP benefit uses a minimum need for 9 therapeutic hours per week.
Is IOP ASAM Level 2.1?
Intensive Outpatient remains Level 2.1 in the Fourth Edition of the ASAM Criteria. ASAM uses a broader multidimensional assessment to determine whether Level 2.1 or another level of treatment is appropriate for an individual patient.
What is the difference between PHP and IOP?
Both allow patients to live outside the treatment facility, but PHP provides substantially more weekly clinical programming and daily structure. IOP typically allows more time for work, school, family, and independent recovery activities.
Can I work while attending IOP?
Often, yes. Some programs offer morning, afternoon, or evening schedules specifically to accommodate employment or school. Whether working is appropriate during treatment also depends on the person’s clinical condition and recovery needs.
Can IOP be done online?
Some providers offer telehealth or virtual IOP services. Availability depends on clinical needs, state licensing rules, insurance, the patient’s location, and the services required. Some appointments or testing may still require in-person care.
Can I live at home during IOP?
Yes. Living at home is common during IOP when the environment is stable and supportive enough for recovery. Some patients use recovery housing when additional structure is helpful.
Does IOP include drug testing?
Many programs use toxicology testing as part of treatment monitoring, but practices differ. Ask how often testing occurs, how results are interpreted, whether testing is observed, and whether there are separate charges.
Can I receive Suboxone while attending IOP?
Yes. Buprenorphine can be part of outpatient opioid use disorder treatment. Some IOP programs prescribe it directly, while others coordinate with addiction medicine, primary care, or another authorized prescriber.
Can someone taking methadone attend IOP?
Yes. Methadone for opioid use disorder is dispensed through certified opioid treatment programs. A person can receive methadone through an OTP while participating in counseling or other coordinated outpatient addiction services.
Can IOP treat depression or anxiety too?
Many addiction IOPs provide dual diagnosis services. Ask whether the program has psychiatric providers, medication management, mental health therapy, and experience treating the specific condition involved.
Does IOP include detox?
Standard IOP should not be assumed to provide medically managed withdrawal. Someone at risk for serious alcohol, benzodiazepine, opioid, or polysubstance withdrawal needs a clinical assessment to determine the appropriate withdrawal-management setting.
How long do people stay in IOP?
Treatment length varies according to progress and clinical needs. Patients may remain in IOP while the level remains useful, step down to ordinary outpatient care as stability improves, or move to a more intensive setting if risks increase.
Does insurance cover IOP?
Many commercial insurance, Medicaid, and Medicare benefits include forms of intensive outpatient behavioral health treatment. Coverage depends on the specific plan, network, medical-necessity requirements, authorization, provider, and services delivered.
What should I ask an IOP admissions team?
Ask about weekly treatment hours, morning or evening schedules, medications, individual therapy, psychiatric services, drug testing, family treatment, insurance, telehealth, recovery housing, transportation, and how the program decides when someone should move to another level of care.
Compare IOP with other addiction treatment options
Learn how intensive outpatient care fits into the broader addiction-treatment continuum.
PHP Programs
Compare high-intensity daytime addiction treatment when more weekly structure is needed than IOP provides.
Residential Treatment
Compare live-in addiction treatment programs with structured recovery environments and greater support outside therapy hours.
Detox Centers
Compare withdrawal-management services for people who need stabilization before beginning ongoing treatment.
Dual Diagnosis
Learn how substance use and mental health conditions can be addressed through one coordinated treatment plan.
Evidence and guidance used for this IOP guide
This page provides general information about intensive outpatient addiction treatment. Program schedules, licensing, insurance rules, medication services, telehealth availability, psychiatric capability, and placement criteria vary. Individual treatment decisions require assessment by qualified healthcare professionals.
- American Society of Addiction Medicine: ASAM Criteria, Fourth Edition
- SAMHSA: Clinical Issues in Intensive Outpatient Treatment for Substance Use Disorders
- SAMHSA TIP 47: Clinical Issues in Intensive Outpatient Treatment
- National Institute on Drug Abuse: Treatment for Substance Use Disorders
- National Institute on Drug Abuse: Medications for Opioid Use Disorder
- SAMHSA: Substance Use Disorder Treatment Options
- SAMHSA: Co-Occurring Substance Use and Mental Health Disorders
- Medicare: Intensive Outpatient Program Services
- SAMHSA FindTreatment.gov: Behavioral Health Treatment Locator
Find an intensive outpatient program for addiction treatment
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