Mountainside NYC New York
Mountainside NYC New York provides outpatient addiction treatment in the Chelsea neighborhood of Manhattan. It has carried Joint Commission accreditation since opening in 2019. Adults and adolescents typically attend programs that run 35 days or more.




Mountainside NYC New York treats substance use and co-occurring disorders through outpatient care, so people continue living at home while they attend sessions. It opened in 2019 and holds Joint Commission accreditation. Appointments are scheduled mornings and evenings to fit around work, school, and family obligations, which matters for anyone balancing treatment with a job in Manhattan.
Care here combines evidence-based methods with holistic and personalized treatment. The center's integrative model pairs clinical work with wellness supports, and family members are brought into the process so they can understand what their person is facing. Programming can include medication-assisted detox, outpatient care, recovery coaching, and online counseling, with treatment plans shaped around each person's circumstances rather than a single fixed track.
Mountainside operates several sites across the Northeast, and this Chelsea location on West 18th Street serves people throughout the rehab centers in New York City area. If you are comparing outpatient programs in New York City that also address mental health, then ask how the dual diagnosis work is structured before you enroll. Services are provided in English.
Programs at Mountainside NYC New York
For this location, two care options are listed: outpatient care and co-occurring mental health treatment, and programming typically runs 35 days or more. If your needs go beyond weekly outpatient sessions, a clinician can tell you whether this site fits or whether a higher level is the better fit. Therapies include individual counseling, cognitive behavioral therapy, eye movement desensitization and reprocessing, family therapy, interpersonal therapy, trauma-specific therapy, mindfulness therapy, life skills, and online therapy.
The center treats alcohol, benzodiazepines, cocaine, heroin, ecstasy, and other drugs, along with chronic relapse and co-occurring disorders. For anyone weighing drug rehab in New York City that handles mental health along with substance use together, the program combines evidence-based and holistic approaches with personalized planning. Aftercare includes relapse prevention planning and AA/NA meetings, giving people a structure to step into once the 35-day window closes.
Withdrawal from alcohol or benzodiazepines can become medically risky, and that is the reason a clinical team ought to monitor someone through it instead of that person quitting by themselves at home. If it is unclear whether you need help with withdrawal before beginning outpatient care, mention this on your first call so the staff can direct you to the setting that fits.
- Holistic
- Trauma-Specific Therapy
- Mindfulness Therapy
- Personalized Treatment
- Individual Treatment
- Family Therapy
- Eye Movement Therapy (EMDR)
- Evidence-Based
- Online Therapy
- Life Skills
Who this New York rehab is designed for
- Adolescents who need substance use treatment suited to their age
- Men and women alike, adults of all genders
- People who identify as LGBTQ+ and want affirming care
- Individuals with co-occurring anxiety, depression, trauma, post-traumatic stress disorder, codependency, or stress
- People working on alcohol, benzodiazepine, cocaine, heroin, ecstasy, or other substance use, including chronic relapse
Program length and setting at this rehab
Programming here typically lasts 35 days or more, with morning and evening appointments to accommodate different schedules. The center opened in 2019, offers a wellness center on site, and includes AA/NA meetings in the weekly structure. Services are delivered in English. This is an outpatient setting, so people go home between sessions rather than staying overnight. If you live outside Chelsea, then check travel time to West 18th Street before committing; the outpatient rehab in New York City model only works when the commute is sustainable.
Paying for treatment in New York
The listing names cash pay rates as one way to pay, and it does not lay out any insurance specifics. If insurance is how you intend to pay, phone the center to verify the plans it takes and the portion of costs you would owe. Our helpline can assist you in reviewing coverage and availability without any charge, and one brief call to the center clears up everything else.
Questions to ask Mountainside NYC
- Which insurance plans are accepted here, and how much would I pay from my own pocket?
- How many days each week does the outpatient program meet, and are morning or evening sessions available?
- For someone with a mental health condition and an addiction disorder, how does care coordination work?
- What does a 35-day program include, and how is progress reviewed along the way?
- Can family members take part in treatment, and what support do you offer them?


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Questions people ask
What types of rehab does Mountainside NYC New York offer?
This location lists outpatient treatment and co-occurring disorders, and programs usually last 35 days or more. Services include medication-assisted detox, recovery coaching, and online counseling, plus one-on-one counseling, cognitive behavioral therapy, EMDR, family therapy, and therapy focused on trauma. The center opened in 2019 and carries Joint Commission accreditation, so if you want mental health and substance use addressed together, ask how your plan would be put together.
Does Mountainside NYC accept Medicaid or insurance?
The center's listing lists private-pay rates but doesn't say whether insurance or Medicaid is accepted. Reach out to the center directly to verify which plans it takes and what you would pay. If what your plan covers is the deciding factor, confirm benefits before scheduling an intake. Our helpline can also assist you in reviewing choices, and the call is free.
How long do people typically stay in the outpatient program at Mountainside NYC?
Programming at this location typically lasts 35 days or more, though the exact length depends on individual needs and progress. Morning and evening appointments let treatment fit around work or school. Because plans are personalized, if your situation calls for more time, then the team can adjust the schedule rather than pushing you out at a fixed date. Ask about expected duration when you call.
Does Mountainside NYC treat dual diagnosis conditions?
Yes, co-occurring disorders is one of two care options this location lists. Anxiety, depression, post-traumatic stress disorder, trauma, stress, and codependency are treated here alongside substance use. If you are looking for dual diagnosis treatment in New York City that handles both needs together, then this program exists for that purpose. A clinician can tell you whether the outpatient level suits your situation.
Where is Mountainside NYC located in New York City?
The center is at 243 West 18th Street in the Chelsea neighborhood of Manhattan, ZIP code 10011. That puts it within reach of residents across New York City who can travel to appointments in the morning or evening. If you are comparing rehab centers in New York City by location, then factor in commute time, since outpatient care only holds up when getting there stays realistic week after week.