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Substance Use Treatment · Canaan, CT

Mountainside Treatment Center

Medical Detox Residential Treatment Outpatient Program Intensive Outpatient (IOP)
Address
187 South Canaan Road
Canaan, CT 06018
Accredited by
CARF
Insurance accepted
5 carriers including Aetna, Bluecross Blueshield
Mountainside Treatment Center - drug and alcohol detox center in Canaan, CT 1

About

About Mountainside Treatment Center

Mountainside Treatment Center is a CARF-accredited substance use treatment facility located at 187 South Canaan Road in Canaan, Connecticut, in Litchfield County. The center operates around the clock and draws patients from across the tri-state region, including New York City, Huntington and Chappaqua in New York, and Ramsey, New Jersey, in addition to Connecticut communities such as Wilton. Its Opioid Treatment Program certification signals a clinical infrastructure built for serious withdrawal management cases.

The facility delivers a full continuum of care beginning with medical detox — the most intensive level — followed by residential treatment for those who require 24-hour structure after detox. For individuals who have stabilized or who need a step-down option, Mountainside offers both a standard outpatient program and an Intensive Outpatient Program (IOP). This progression from medically supervised detox through outpatient levels of care allows patients to move through treatment without transferring to an entirely different provider.

Clinical services at Mountainside include Cognitive Behavioral Therapy (CBT) and address co-occurring conditions, with the program structured to treat both trauma and PTSD alongside substance use disorders — a dual diagnosis capability that matters for patients whose psychiatric needs complicate withdrawal and early recovery. Alumni services and recovery support groups extend the program’s reach past the point of discharge.

Mountainside serves both men and women and accepts a range of payment options including private insurance through major carriers — Aetna, BlueCross BlueShield, Cigna, UnitedHealthcare/Optum, and Magellan — as well as self-pay and sliding scale fees. The facility’s combination of medical detox, OTP certification, CARF accreditation, and continuous 24-hour operation makes it a substantive option for individuals and families in the tri-state area facing an urgent need for supervised withdrawal management.

  • Certified Opioid Treatment Program (OTP) with full medical detox capability operating 24 hours a day
  • CARF-accredited facility offering a complete continuum — from inpatient medical detox through IOP — under one provider
  • Dual diagnosis treatment addressing trauma and PTSD alongside substance use disorders
  • Tri-state service area covering CT, NY, and NJ with recognized insurance from Aetna, BCBS, Cigna, UnitedHealthcare, and Magellan
  • Post-discharge support through alumni services and recovery support groups

Treatment

What this center treats and how

Levels of care
Medical Detox Residential Treatment Outpatient Program Intensive Outpatient (IOP)
Conditions
Trauma / PTSD Co-occurring Disorders / Dual Diagnosis
Methods
Cognitive Behavioral Therapy (CBT)
Populations
Men Women
Languages
English

Location

Where it is

187 South Canaan Road, Canaan, CT 06018 Get directions

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Call (860) 824-1397

Medical Detox and Withdrawal Management at Mountainside

Mountainside Treatment Center's medical detox program is the entry point for patients who need clinically supervised withdrawal management before they can safely engage in further treatment. The facility's Opioid Treatment Program certification reflects a formal regulatory approval to provide structured opioid treatment, distinguishing it from general substance use programs that may lack that specialized designation. Operating continuously, 24 hours a day, the center is equipped to monitor and manage patients through the acute withdrawal phase.

Following medical detox, patients at Mountainside can transition directly into residential treatment, remaining on-site in a structured environment while their clinical team continues to guide their care. This continuity — from medically supervised detox through residential stabilization — reduces the disruption that often accompanies transfers between facilities and keeps the treatment relationship intact during a vulnerable period.

Outpatient Programs: IOP and Standard Outpatient Levels of Care

For individuals who have completed a higher level of care or whose clinical needs do not require inpatient placement, Mountainside offers both an Intensive Outpatient Program (IOP) and a standard outpatient program. These options serve patients who are stepping down from residential treatment and those entering the continuum at a less acute stage. Both tracks are delivered at the Canaan, CT location and are accessible to patients traveling from Wilton, CT and the broader New York and New Jersey service area.

The IOP level of care provides more structured programming than a standard outpatient schedule while allowing patients to live outside the facility. This makes it a practical option for individuals managing work, family, or other responsibilities who still require consistent clinical support after completing detox or residential care.

Dual Diagnosis Treatment: Addressing Co-Occurring Disorders

Mountainside is equipped to treat co-occurring disorders, including trauma and PTSD, alongside substance use. This dual diagnosis capability matters in the context of detox and withdrawal management because untreated psychiatric conditions can complicate the withdrawal process and increase the risk of relapse during early recovery. Cognitive Behavioral Therapy (CBT) is among the clinical methods used at the facility.

Patients whose substance use is intertwined with trauma histories or other mental health conditions benefit from a program that addresses both simultaneously rather than sequentially. Mountainside's structure — spanning medical detox, residential, and outpatient levels — provides enough clinical depth to treat complex presentations across the care continuum.

Insurance and Payment Options at Mountainside Treatment Center

Mountainside accepts private insurance from several major carriers, including Aetna, BlueCross BlueShield, Cigna, UnitedHealthcare/Optum, and Magellan. Self-pay and sliding scale payment options are also available for patients who are paying out of pocket or whose coverage does not fully apply. Prospective patients and families can reach the admissions team directly at (860) 824-1397 or by email at admissions@mountainside.com.

It is important to note that Mountainside does not work with state insurance and does not accept Medicare or Medicaid. Individuals who rely on those programs will need to confirm alternative funding arrangements prior to admission. The admissions team can assist with insurance verification and payment planning for those exploring their options.

After Care

Continuing support

Alumni Services Recovery Support Groups

Cost & Credentials

What's covered and who vouches for it

Insurance accepted
Aetna Bluecross Blueshield Cigna Unitedhealthcare / Optum Magellan
Payment options
Private Insurance Self-pay / Cash Sliding Scale Medicaid Medicare Aetna Cigna Unitedhealthcare Magellan Optum Self-pay
Accreditations
CARF Opioid Treatment Program (OTP)
Note

We do not work with state insurance or accept Medicare/Medicaid.

Common questions

FAQs About Mountainside Treatment Center

Does Mountainside Treatment Center offer medical detox? +
Yes. Medical detox is one of the primary levels of care at Mountainside Treatment Center in Canaan, CT. The facility operates 24 hours a day and holds an Opioid Treatment Program (OTP) certification, indicating it is equipped for supervised withdrawal management. Patients can transition directly from medical detox into residential treatment at the same facility.
What levels of care are available at Mountainside? +
Mountainside offers four levels of care: medical detox, residential treatment, a standard outpatient program, and an Intensive Outpatient Program (IOP). This continuum allows patients to move from the most acute phase of withdrawal management through progressively less restrictive levels of care without changing providers.
Is Mountainside Treatment Center accredited? +
Mountainside Treatment Center is accredited by CARF (Commission on Accreditation of Rehabilitation Facilities). It also holds an Opioid Treatment Program (OTP) certification. These designations indicate the facility meets established standards for substance use treatment.
What insurance does Mountainside accept? +
Mountainside accepts private insurance from Aetna, BlueCross BlueShield, Cigna, UnitedHealthcare/Optum, and Magellan. Self-pay and sliding scale payment options are also available. The facility does not accept Medicare, Medicaid, or state insurance programs.
Where is Mountainside Treatment Center located and who does it serve? +
Mountainside is located at 187 South Canaan Road in Canaan, Connecticut, in Litchfield County. Its service area includes communities in Connecticut, New York — including New York City, Huntington, and Chappaqua — and Ramsey, New Jersey. Both men and women are served.
Does Mountainside treat co-occurring mental health conditions? +
Yes. Mountainside treats co-occurring disorders, including trauma and PTSD, alongside substance use disorders. This dual diagnosis approach is integrated across the facility's levels of care, including medical detox and residential treatment.
What therapy approaches does Mountainside use? +
Cognitive Behavioral Therapy (CBT) is among the clinical methods used at Mountainside. The facility also offers alumni services and recovery support groups as part of its aftercare and continuing support framework following primary treatment.
Is Mountainside Treatment Center open 24 hours? +
Yes. Mountainside Treatment Center operates 24 hours a day. This continuous operation is particularly relevant for individuals seeking medical detox, where round-the-clock clinical oversight is a standard component of safe withdrawal management.
How can I contact Mountainside Treatment Center to start the admissions process? +
You can reach Mountainside's admissions team by phone at (860) 824-1397 or by email at admissions@mountainside.com. The facility's website is mountainside.com. Because the center operates 24 hours a day, phone contact is available at any time for individuals in urgent need of detox or withdrawal management.
Does Mountainside offer support after completing treatment? +
Mountainside provides alumni services and recovery support groups as aftercare resources following completion of primary treatment. These services are designed to support patients who have progressed through detox and higher levels of care as they transition back into daily life.

Services

Programs and specialties

Treatment type
Outpatient Residential treatment IOP Outpatient methadone/buprenorphine or naltrexone treatment Aftercare recovery programs Residential detoxification Long-term residential Short-term residential Alcohol Detoxification Benzodiazepines Detoxification Cocaine Detoxification Opioid Detoxification Methamphetamines detoxification Routinely uses medication for detoxification
Payment
Cash or self-payment Sliding fee scale (fee is based on income and other factors)
Specialty
Mental health counseling for co-occurring disorders Group therapy Family therapy Marital/couples counseling Addiction recovery education Adolescents Adolescents and young adults Adult men Seniors or older adults Gay & Lesbian
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