Mountainside Chelsea — Outpatient Clinic

243 West 18th Street, New York, NY 10011

12-Step Facilitation

4 levels of care

Calls go directly to the center. Free and confidential.

About this center

Mountainside Chelsea — Outpatient Clinic is an addiction treatment provider in New York, New York. According to the public treatment facility listing record for this address, the program offers care delivered on an outpatient basis, covering intensive outpatient (iop), outpatient program, medication-assisted treatment (mat), and telehealth.

The same record identifies treatment for substance use disorder, alcohol use disorder, opioid use disorder, tobacco use disorder, and co-occurring disorders / dual diagnosis. Programming is listed as serving adults, co-occurring disorders / dual diagnosis, men, seniors / older adults, and trauma / ptsd. Services are listed as available in English.

Listed accreditation and treatment approaches include 12-Step Facilitation, Acamprosate, Anger Management, Brief Intervention, and Buprenorphine. This reflects what is in the listing record; current standing can be checked with the accrediting body or your state licensing agency.

Mountainside Chelsea — Outpatient Clinic is located at 243 West 18th Street, New York, New York 10011, and the number listed for this location is (860) 824-1397, which reaches the center directly. Treatment Locators does not own or operate this center and is not paid by it for this listing. Details such as bed availability, insurance accepted, and current programming are set by the facility and should be confirmed by phone.

At a glance

Location: 243 West 18th Street, New York, NY 10011
Phone: (860) 824-1397
Levels of care: Intensive Outpatient (IOP), Outpatient Program, Medication-assisted Treatment (MAT), and Telehealth
Conditions treated: Substance Use Disorder, Alcohol Use Disorder, Opioid Use Disorder, Tobacco Use Disorder, Co-occurring Disorders / Dual Diagnosis, Mental Health, and Trauma / PTSD
Treatment approaches: 12-Step Facilitation, Acamprosate, Anger Management, Brief Intervention, Buprenorphine, Cognitive Behavioral Therapy (CBT), Disulfiram, Motivational Interviewing, Naltrexone, Psychiatric Medication Management, Relapse Prevention, Substance Use Counseling, Telehealth Services, and Trauma-Informed Counseling
Populations served: Adults, Co-occurring Disorders / Dual Diagnosis, Men, Seniors / Older Adults, Trauma / PTSD, Women, and Young Adults
Languages: English
Facility type: For-Profit Organization

Payment and accreditation

Payment options reported

Private Health Insurance
Cash or Self-Payment
Sliding Fee ScaleFee is based on income and other factors.

Licensing and accreditation

CARF AccreditedCARF is an independent non-profit that accredits health and human service programs against published standards for quality and person-centered care.
Joint Commission AccreditedThe Joint Commission is an independent non-profit that accredits and certifies US health care organizations against national safety and quality standards.
Licensed by State Substance Use AgencyThe state agency that oversees substance use treatment licenses this facility to operate.
Licensed by State Health DepartmentThe state health department licenses this facility to operate.

Reported by the facility to the federal treatment services record (September 2026). The record lists payment and funding types only — it does not name insurance carriers, so it cannot confirm that a specific plan is accepted. Call the center to confirm current payment options and costs, and see how insurance coverage for treatment works.

Levels of care

Intensive Outpatient (IOP)
Outpatient Program
Medication-assisted Treatment (MAT)
Telehealth

Conditions treated

Substance Use Disorder
Alcohol Use Disorder
Opioid Use Disorder
Tobacco Use Disorder
Co-occurring Disorders / Dual Diagnosis
Mental Health
Trauma / PTSD

Treatment approaches

12-Step Facilitation
Acamprosate
Anger Management
Brief Intervention
Buprenorphine
Cognitive Behavioral Therapy (CBT)
Disulfiram
Motivational Interviewing
Naltrexone
Psychiatric Medication Management
Relapse Prevention
Substance Use Counseling
Telehealth Services
Trauma-Informed Counseling

Populations served

Adults
Co-occurring Disorders / Dual Diagnosis
Men
Seniors / Older Adults
Trauma / PTSD
Women
Young Adults

Languages spoken

English

Frequently asked questions about Mountainside Chelsea — Outpatient Clinic

Where is Mountainside Chelsea — Outpatient Clinic located?

Mountainside Chelsea — Outpatient Clinic is located at 243 West 18th Street, New York, NY 10011.

What levels of care does Mountainside Chelsea — Outpatient Clinic offer?

The listing for Mountainside Chelsea — Outpatient Clinic shows intensive outpatient (iop), outpatient program, medication-assisted treatment (mat), and telehealth. Confirm current availability with the facility, since programs open and close beds over time.

What does Mountainside Chelsea — Outpatient Clinic treat?

Listed areas of treatment include substance use disorder, alcohol use disorder, opioid use disorder, tobacco use disorder, co-occurring disorders / dual diagnosis, mental health, and trauma / ptsd.

How do I contact Mountainside Chelsea — Outpatient Clinic?

The phone number listed for Mountainside Chelsea — Outpatient Clinic is (860) 824-1397. Calling the center directly is the best way to confirm current details.

What payment options does Mountainside Chelsea — Outpatient Clinic report?

In the federal treatment services record (September 2026), Mountainside Chelsea — Outpatient Clinic reports private health insurance, cash or self-payment, and sliding fee scale. The record lists payment types only, never specific insurance carriers, so call the center at (860) 824-1397 to confirm whether your plan is accepted.

Is Mountainside Chelsea — Outpatient Clinic licensed or accredited?

The federal record lists CARF Accredited, Joint Commission Accredited, Licensed by State Substance Use Agency, and Licensed by State Health Department for this location. Licensure and accreditation change over time, so current standing is best confirmed with the accrediting body or your state licensing agency.

Are there other treatment centers near New York, New York?

Yes. You can browse other listed programs in New York and across New York from this page, or call 24/7 for help comparing options.

Other treatment centers near New York, NY

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