About the Addiction treatment center
How to book
- Click Book Appointment call +1 646-453-7474 .
- Use provider online portal: mountainside.com/locations/nyc-chelsea.
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Frequently Asked Questions about Mountainside Treatment Center - NYC Chelsea
Where is the Mountainside Treatment Center - NYC Chelsea situated at?
Mountainside Treatment Center - NYC Chelsea is situated at 243 W 18th St.
How can I book an appointment at Mountainside Treatment Center - NYC Chelsea?
You can book an appointment by clicking the "Book Appointment" button on this page or by calling the hospital directly.
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Information last updated: June 30, 2026