Insights

Expansion Opportunities Mountainside has recently expanded services with a Partial Hospitalization Program in Huntington and is increasing Long Island coverage. This signals readiness to scale partnerships with referral sources, payers, and affiliated hospitals in the Northeast.

Strategic Partnerships Existing collaborations with Stony Brook and Southampton Hospital suggest receptive channels for joint programs, residency training ties, and physician referrals. Leverage these relationships to propose integrated care pathways and bundled service offerings.

Recovery-Friendly Recognition as a Recovery-Friendly Workplace and active industry engagement indicate strong employer and employee wellness credentials. This can open opportunities in corporate partnerships, employee assistance programs, and employer-sponsored treatment initiatives.

Virtual and Local Access With Massachusetts services offered virtually and multiple Northeast locations, Mountainside can target payers and employers seeking both telehealth access and in-person treatment, enabling a mixed-delivery sales approach.

Media and Education Recent participation in industry events and recovery-focused programs (Dopey Recovery Short Film Festival, partnerships for scholarships) provide talking points for education-based selling, outreach to community organizations, and potential sponsorship-based collaborations.

Mountainside Tech Stack

Mountainside uses 8 technology products and services including DoubleClick Floodlight, Open Graph, Stitches, and more. Explore Mountainside's tech stack below.

  • DoubleClick Floodlight
    Advertising
  • Open Graph
    Content Management System
  • Stitches
    Javascript Frameworks
  • jQuery
    Javascript Libraries
  • Choices
    Javascript Libraries
  • DocuSign
    Miscellaneous
  • Microsoft Azure
    Platform As A Service
  • Animate.css
    UI Frameworks

Media & News

Mountainside's Email Address Formats

Mountainside uses at least 1 format(s):
Mountainside Email FormatsExamplePercentage
First.Last@mountainside.comJohn.Doe@mountainside.com
82%
FLast@mountainside.comJDoe@mountainside.com
11%
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 8049 - Offices and Clinics of Health Practitioners, Not Elsewhere Classified NAICS code is 62133 - Offices of Mental Health Practitioners (except Physicians).

How many employees does Mountainside have currently?

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As of July 2026, Mountainside has approximately 294 employees across 2 continents, including North AmericaAfrica. Key team members include Chief Executive Officer: B. B.Chief Financial Officer And General Manager: L. B.Vice President Of Business Analytics: J. D.. 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 DoubleClick FloodlightOpen GraphStitchesjQueryChoicesDocuSignMicrosoft AzureAnimate.css.

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 logo

Mountainside

Mental Health CareConnecticut, United States201-500 Employees

Mountainside Treatment Center provides treatment for chemical dependency and alcohol use disorders within the mental health care sector. Founded in 1998 and based in Canaan, Connecticut, the organization operates across Connecticut, New York, and New Jersey, with virtual services extending to Massachusetts.

The organization serves individuals seeking help for substance use disorders and emphasizes a supportive treatment environment across its network. It operates as a regionally focused provider of chemical dependency treatment services. In 2022, Mountainside was designated a Recovery-Friendly Workplace by the Connecticut governor, and it announced a two-week Addiction Medicine training rotation with Stony Brook University and Southampton Hospital.

Section iconCompany Overview

Phone number
SIC Code
8049 - Offices and Clinics of Health Practitioners, Not Elsewhere Classified
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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