Office Hours

Monday through Friday
8:00am - 5:00pm
Extended patient hours available.
Call the office at (603) 429-3155 for details.

Tel. (603) 429-3155
Fax. (603) 424-8693

Immediate Care Hours:

Monday through Friday
10:00am - 8:00pm
Saturday and Sunday
9:30am - 5:00pm
Please call 603-577-CARE
for our holiday hours.


Merrimack Medical Center
696 Daniel Webster Highway
Merrimack, NH 03054


Merrimack Medical Center provides expanded health care services for the entire family - from the youngest to the oldest member. Our facility is home to:

  •  Family Practice - your Patient Centered Medical Home. To learn more, click here.
  •  Sports Medicine - Victory Sports Medicine has offices at Merrimack Medical Center and 17 Prospect Street, Nashua.
  •  Pediatrics - your Patient Centered Medical Home. To learn more, click here.
  •  Dermatology 
  •  Behavioral Health
  •  OB/GYN  - Dr. Bisson also has office hours at Evergreen Women's Health Care at 280 Main Street, Nashua, and at Southern New Hampshire Health System at Pelham.
  •  Endocrinology 
  •  Immediate Care

We also offer LaboratoryX-Ray and Rehabilitation Services.

Our practice utilizes state-of-the-art Electronic Medical Records (EMR). EMR helps improve patient care. The EMR instantly and securely puts the latest patient health information at the fingertips of our providers, whether in the office, at home, or at Southern New Hampshire Medical Center.

Foundation Medical Partners is a member of the New Hampshire Accountable Care Partners Accountable Care Organization. NH Accountable Care Partners ACO is a joint venture among four hospitals and ACO professionals. The ACO consists of more than 965 healthcare providers employed by Concord Hospital, Elliot Hospital, Southern New Hampshire Medical Center, or Wentworth Douglass Hospital who coordinate the health care of more than 30,000 Medicare Fee-for-Service beneficiaries in our combined service area. Click here to learn more.


Recent News

  • Immediate Care of Southern New Hampshire: Foundation Medical Partners and Southern New Hampshire Medical Center are proud to announce that we have expanded our Immediate Care program.  Immediate Care of Southern New Hampshire now offers care for our patients in five locations - Nashua, So. Nashua, Merrimack, Hudson and Pelham! 

    Immediate Care of Southern New Hampshire offers non-emergency medical care seven days a week with evening and holiday hours.  No appointment is necessary and all for the cost of a doctor's office co-pay.  To learn more visit Immediate Care of Southern New Hampshire.

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