Insights

Growing Market Presence Mountainside operates multiple treatment centers across Connecticut, New York, and New Jersey, with additional virtual services in Massachusetts, indicating a broad regional reach and opportunities for expanding digital health solutions or telemedicine partnerships.

Recognition & Leadership Being recognized as a Recovery-Friendly Workplace and partnering with esteemed institutions like Stony Brook University highlights Mountainside's commitment to excellence and community engagement, opening avenues for collaborations with healthcare technology providers and educational institutions.

Financial Stability With revenue estimates between 25 to 50 million dollars and a dedicated focus on treatment services, the company presents a stable and sizable market opportunity for healthcare software, equipment, and service providers targeting mid-sized treatment centers.

Industry Focus & Impact Specializing in addiction treatment and rehabilitation, Mountainside’s focus on substance abuse recovery indicates potential for customized solutions in mental health and addiction care technologies, including patient engagement platforms and outcome tracking tools.

Community & Funding Initiatives Partnerships that support scholarships for women battling substance use disorders demonstrate a social responsibility angle that can be leveraged for CSR partnerships or funding collaborations with organizations focused on health equity and community outreach.

Mountainside Tech Stack

Mountainside uses 8 technology products and services including AppNexus, Statamic, jQuery, and more. Explore Mountainside's tech stack below.

  • AppNexus
    Advertising
  • Statamic
    Content Management System
  • jQuery
    Javascript Libraries
  • LiveAgent
    Live Chat
  • Envoy
    Load Balancers
  • Cisco Meraki
    Network Hardware
  • iOS
    Programming Languages
  • Bootstrap
    UI Frameworks

Mountainside's Email Address Formats

Mountainside uses at least 1 format(s):
Mountainside Email FormatsExamplePercentage
First.Last@mountainside.comJohn.Doe@mountainside.com
81%
FLast@mountainside.comJDoe@mountainside.com
12%
Last@mountainside.comDoe@mountainside.com
5%
First.Middle@mountainside.comJohn.Michael@mountainside.com
2%

Frequently Asked Questions

What is Mountainside's phone number?

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You can contact Mountainside's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Mountainside's official website and social media links?

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Mountainside's official website is mountainside.com and has social profiles on LinkedIn.

What is Mountainside's SIC code NAICS code?

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Mountainside's SIC code is 7011 - Hotels and Motels NAICS code is 62133 - Offices of Mental Health Practitioners (except Physicians).

How many employees does Mountainside have currently?

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As of December 2025, Mountainside has approximately 286 employees across 3 continents, including North AmericaAfricaAsia. Key team members include Chief Executive Officer: A. L. R. B.Chief Executive Officer: B. B.Chief Operating Officer: C. M.. Explore Mountainside's employee directory with LeadIQ.

What industry does Mountainside belong to?

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Mountainside operates in the Mental Health Care industry.

What technology does Mountainside use?

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Mountainside's tech stack includes AppNexusStatamicjQueryLiveAgentEnvoyCisco MerakiiOSBootstrap.

What is Mountainside's email format?

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Mountainside's email format typically follows the pattern of First.Last@mountainside.com. Find more Mountainside email formats with LeadIQ.

When was Mountainside founded?

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Mountainside was founded in 1998.

Mountainside

Mental Health CareConnecticut, United States201-500 Employees

At Mountainside Treatment Center, a nationally acclaimed drug addiction treatment and alcohol rehabilitation center, we believe that you can make a difference no matter the position you hold. Each employee plays an important role in caring for clients, giving them a unique and positive experience during their stay. 

Founded in 1998, Mountainside is a leading provider of chemical dependency treatment services. 

We have locations in Connecticut (Canaan and Wilton), New York (Manhattan, Chappaqua and Huntington) and New Jersey (Ramsey). We also serve Massachusetts virtually.

More about our company can be found at http://mtsi.de/treatment. You may also call 888-510-8852 (toll-free).

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CONNECT WITH MOUNTAINSIDE:
 
Facebook: http://www.facebook.com/mountainsidetreatment
Instagram: http://www.instagram.com/mountainsidect
Twitter: http://www.twitter.com/mountainside

Section iconCompany Overview

Phone number
SIC Code
7011 - Hotels and Motels
NAICS Code
62133 - Offices of Mental Health Practitioners (except Physicians)
Founded
1998
Employees
201-500

Section iconFunding & Financials

  • $25M$50M

    Mountainside's revenue is estimated to be in the range of $25M$50M

Section iconFunding & Financials

  • $25M$50M

    Mountainside's revenue is estimated to be in the range of $25M$50M

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