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Substance Use Services

IDCMP & IDSP (DWI program) servicing Nashua, Manchester, Concord and Rochester
Services Include:
- Intake/Screening & Assessment
- After Care- Individual and Group Counseling Sessions*
- Referrals & Case Management
- Impaired Driver Education Classes (IDEP- 20 hour classes)

*Group counseling is now open to the public. Insurance not accepted, $40 per session. Call for information or to set up an intake. 

To Make an Appointment:
- Call 603-402-9357
- Send an email to IDCMP@homebasenh.org
- Walk into 1850 Elm St Ste #2 Manchester, NH to schedule

Office Locations and Directions for IDCMP/IDSP: 


Concord office: 3 N. Spring Street Ste. #101 Concord, NH 03301 - It is located one building in on the corner of N. Spring St and Pleasant St. The front of the building is yellow and the sign out front says “Federal Place”. The parking lot is to the right of the building. Park in the parking lot and enter through the door on the side of the building (door closest to the parking lot). Once inside, enter through the door to the right.  You will see signs for Celenza Family Law.


Rochester office: 29 Columbus Ave. Rochester, NH 03867 - Building is tan colored and is directly between the Rochester Police Department (immediately behind us) and Salvation Army (front of building, other side of road). GPS will not take you to our location, if using GPS put in “95 Hanson St” as our building is on the corner of Hanson St and Columbus Ave.


Nashua office: 5 Pine St Ext. Ste. #2 Nashua, NH 03060 - Turn off of Broad St. Parkway across from ‘Just Lights’ onto Pine St. Ext. and come all the way around (road is a horseshoe shape). We are the last brown building on your right before coming back to Broad St. Parkway. We are in the same parking lot as DHHS and Nashua Probation and Parole office. There is a sign on the front of our building for Banyan Tree Yoga and ISGN. Come in the doors where all the signage is and up the main stairwell. Follow the hallway all the way down until you see our sign.


Manchester Office: 1850 Elm St Ste. #2 Manchester NH 03104- The building is dark brown and is on the corner of Webster St and Elm St.


All correspondence, regardless of which office location the client is affiliated with, should go to:
Home Base- IDCMP
1850 Elm St. Ste#2
Manchester, NH 03104
Phone: 603-402-9357
Fax: 603-945-3187
Email: IDCMP@homebasenh.org

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