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Therapist, Integrated Dual Disorder Treatment Team

Greater Nashua Mental Health

Established in 1920, Greater Nashua Mental Health has as its mission: empowering individuals to lead full and satisfying lives through treatment and support. Our agency provides comprehensive, evidence-based behavioral health services for individuals with mental health and/or substance misuse disorders. We offer a wide array of services in office and community settings, serving adults and children.  As the State-designated Community Mental Health Center for Southern Hillsborough County, we serve everyone who walks in our doors, and no one is ever turned away due to the inability to pay for services.  Without our agency, many of the most vulnerable members of our community would not have access to critically needed behavioral health care.   We believe that by respecting people as they are, we can help them to become all that they wish to be.

This position is eligible for a $1,000 hiring bonus!


Job Summary:

Greater Nashua Mental Health is looking for a full-time Therapist to join our Integrated Dual Disorder Treatment (IDDT) Team! The Therapist provides counseling, assertive treatment and outreach services to individuals with co-occurring severe mental illness and substance use disorders. The primary service goal is to interrupt the cycle of relapsing mental illness that can result in frequent hospitalizations, episodic or continuous substance use, homelessness, and difficulties within the legal system. Services will be client-centered and tailored to meet individual patient need, and may include but not be limited to, individual and group treatment interventions such as therapeutic behavioral services, case management, functional support services, medication supports, family supports, and crisis intervention services.


Duties & Responsibilities:

  • Provide treatment to consumers and families at least 50% of time according to the established treatment plan and utilizing approved modalities of the agency.
  • Provide clinical input and formulation of IDDT Treatment Plan which identifies specific problems to be addressed, target goals related to problems, and clear and measurable objectives with clear time frames related to the specific services to be provided.
  • Review and update the plan to be sure that it represents current and appropriate planning in compliance with agency guidelines.
  • Review all cases assigned to familiarize self with client needs and history and assess need for further evaluations and review of interim treatment plan.
  • Provide clinical assessments of clients when indicated and coordinate referral for, and review results of additional assessments as appropriate.
  • Assess crises and provide crisis intervention and, in coordination with the client’s primary psychiatrist, develop referrals for more or less intensive services appropriate to consumer need. 
  • Coordinate the consumer’s Individual Service Plan within the agency and with external agencies.  Responsible to communicate, collaborate and consult with other staff members and agencies.
  • Function as the consumer’s advocate in obtaining needed services both within the agency and in the community.
  • Responsible to insure the individualized service plan (ISP) services are carried out when consumer allows.
  • Completes all documentation, including; medical record, clinical chart, daily schedules, time sheets, quarterly reports, and treatment plans, accurately, fully and on time. 
  • Provide education and consultation to IDDT team staff, agency staff, external agencies and the community at large as requested by the IDDT team leader, Director of Adult Services, and/or Medical Director.
  • Participate in training/staff development activities consistent with in-service training schedules and staff development plans.



  • Master’s Degree in Clinical Mental Health Counseling, Social Work or related field.
  • 2 years of experience working with people diagnosed with co-occurring severe mental illness and substance use disorders.
  • Demonstrated skill in communication, interpersonal relations and crisis intervention.
  • Ability to establish and maintain effective working relationships with colleagues, express ideas clearly and concisely in written and oral form, exercise initiative and work independently, exercise sound judgment, analyze situations and recommend the appropriate course of action.
  • Strong collaborating skills, and an ability to work effectively both independently and as part of a team.
  • Comfortable in a fast-paced environment with frequent deadlines; high energy, self-motivated and proactive.


Why Join Us:

We are looking for collaborative, curious for knowledge people with a “can do” mentality to join our team of compassionate employees! We provide a stimulating work environment and offer competitive salaries and comprehensive benefits including:


  • Choice of 2 health insurance plans
  • Health Reimbursement Arrangement
  • Health Plan Opt Out Benefit
  • Health Savings Account
  • Flexible Spending Account
  • Dental Insurance
  • Vision Insurance
  • Group Life and AD&D Insurance
  • Short and Long Term Disability
  • Accident & Critical Illness Insurances
  • 403b Retirement Plan with Agency Match
  • Employee Assistance Plan
  • Generous Earned Time Off
  • Paid Extended Sick Time
  • 10 Paid Holidays
  • Bereavement Leave
  • Tuition Reimbursement
  • Supervision towards Clinical Licensure
  • Qualifying Employer for the Public Service Loan Forgiveness Program and NH State Loan Repayment Program
How to Apply:

Apply online by visiting:

Job Location:


Date Added: January 7, 2022

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