Skip to content

Mountainside Treatment Center - NYCAddiction counselor in New York City, NY

Mountainside Treatment Center - NYC is an addiction counselor at 243 W 18th St, New York, NY 10011, ranked #29 of 397 addiction counselors in New York City and rated 4.6 from 74 Google reviews. Open Monday to Friday.

This profile is built from public listing data. Confirm the provider’s license, services, fees and availability with the practice before you book.

New York City, NYUpdated 0 paid placements in any rankingHow we rank

Call (212) 541-0898Website ↗

Key facts

Key facts about Mountainside Treatment Center - NYC
Address243 W 18th St, New York, NY 10011, New York City, NYGet directions
Phone(212) 541-0898
Websitemountainside.com
HoursOpen Monday to Friday
Google rating4.6 from 74 Google reviews

Specialties

Each specialty shows the evidence we matched it on.

Service area

Serves New York City and 11 towns within 50 miles: Gramercy Park, East Village, Hell's Kitchen, Chinatown, Financial District, Long Island City, Greenpoint, Williamsburg, Brooklyn Heights, Manhattan and Sunnyside.

Based in New York City, NYView on map

Opening hours

Opening hours for Mountainside Treatment Center - NYC
DayHours
Monday9 AM – 9 PMevening
Tuesday9 AM – 9 PMevening
Wednesday9 AM – 7:30 PMevening
Thursday9 AM – 9 PMevening
Friday9 AM – 4:30 PM
SaturdayClosed
SundayClosed
  • Open evenings (after 6 PM)
  • Open Saturdays — no
  • Open Sundays — no

Questions about Mountainside Treatment Center - NYC

How is Mountainside Treatment Center - NYC ranked in New York City?

Mountainside Treatment Center - NYC is ranked #29 of 397 addiction counselors in New York City by RP Score, with 71 out of 100 as of November 2026. The score weighs reputation, review volume, recency, availability, specialty focus, proximity, claimed profile and partnered. No business can pay to change its rank.

What are Mountainside Treatment Center - NYC’s hours?

Mountainside Treatment Center - NYC is open Monday to Friday. Its listed hours are Open Monday to Friday. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does Mountainside Treatment Center - NYC serve?

Serves New York City and 11 towns within 50 miles: Gramercy Park, East Village, Hell's Kitchen, Chinatown, Financial District, Long Island City, Greenpoint, Williamsburg, Brooklyn Heights, Manhattan and Sunnyside. The list is based on the business's location and the usual service radius for addiction counseling. Confirm your address is covered when you call.

What do Google reviews say about Mountainside Treatment Center - NYC?

Mountainside Treatment Center - NYC has a rating of 4.6 from 74 Google reviews. The RP Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

How do I contact Mountainside Treatment Center - NYC?

Call Mountainside Treatment Center - NYC on (212) 541-0898. The business is at 243 W 18th St, New York, NY 10011, New York City, NY. Its website is linked in the key facts on this page. Ask about fees, insurance and openings before you book a first session.

Own Mountainside Treatment Center - NYC? Claim this profile.

Claiming is free. Correct your hours, specialties and service area. The RP Score is recalculated from corrected data; payment never changes it.

Claim this profile

Compare nearby addiction counselors

Mountainside Treatment Center - NYC compared with nearby businesses
BusinessRankRP ScoreGoogle ratingSaturdaySundayDistance away
Mountainside Treatment Center - NYC (this business)—714.6 (74)NoNo
South Richmond Hill Recovery, LLC / Resolutions Counseling & Family Services#27723.9 (18)YesYes8.9 mi
J-Cap Medical#28712.7 (21)YesYes11.6 mi
Release Recovery#30714.6 (63)YesYes24.4 mi

See all 397 ranked addiction counselors in New York City