Orthopaedic Surgical Associates & Merrimack Valley Spine Center (“OSA”) were recently notified of a data breach impacting a third-party vendor, ConnectOnCall. OSA takes the protection of patient information seriously. Following notification of this incident, OSA terminated the partnership with ConnectOnCall. Patients will receive notification letters of the incident directly from ConnectOnCall. Patients may contact ConnectOnCall and learn more about the incident from the notification letter, or at the following web address: https://www.phreesia.com/security-incident/

Learn More
Alert Circle Icon

All offices will be closed on Wednesday, December 25, and Wednesday, January 1, in observance of the holidays. Chelmsford MRI Imaging will also close early at 3:00 pm on Tuesday, December 24.

Exit Icon

Accepted Insurances

Orthopaedic Surgical Associates accepts most major insurance carriers and plans. Please see the list of accepted insurance carriers below. To confirm if we accept your specific plan, please contact our billing department at (978) 854-0653 and have your insurance card available. Our team will be happy to provide additional information.

Aetna
AllWays Health Partners (formerly Neighborhood Health Plan / NHP)
Blue Cross Blue Shield Massachusetts (BCBSMA)
Cigna
Commonwealth Care Alliance
Coventry
Fallon
HPHC
Humana
Medicaid
Medicare
MultiPlan Networks
Tricare
Tufts Health Plan
Unicare
UnitedHealthcare