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/

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Steven Alter, MD

Hand and Upper Extremity

Practicing in:

North Chelmsford

(978) 454-0706Online Scheduling

Atul Bhat, MD

Physiatry
Spine

Practicing in:

North Chelmsford

(978) 454-0706Online Scheduling

Steven T. DiSegna, MD

Hip and Knee Replacement

Practicing in:

North Chelmsford and Westford

(978) 454-0706Online Scheduling

Joseph Fleck, DPM, FACFAS

Foot and Ankle

Practicing in:

North Chelmsford and Westford

(978) 454-0706Online Scheduling

Elisabeth R. Gennis, MD

Hand and Upper Extremity

Practicing in:

North Chelmsford

(978) 454-0706Online Scheduling

Samuel D. Gerber, MD

Sports Medicine
Hip and Knee Replacement

Practicing in:

North Chelmsford

(978) 454-0706Online Scheduling

Thomas Herron, DO

Sports Medicine

Practicing in:

Westford and North Chelmsford

(978) 454-0706Online Scheduling

Eric Holstein, MD

Practicing in:

North Chelmsford

(978) 454-0706Online Scheduling

Allis Kim, MD

Sports Medicine
Hip and Knee Replacement

Practicing in:

Westford

(978) 454-0706Online Scheduling

Mark A. Lapp, MD

Spine

Practicing in:

North Chelmsford

(978) 454-0706Online Scheduling

Jeremy M. Moses, MD

Sports Medicine

Practicing in:

North Chelmsford

(978) 454-0706Online Scheduling

David J. Prybyla, MD

Hip and Knee Replacement

Practicing in:

North Chelmsford and Westford

(978) 454-0706Online Scheduling

Scott A. Sigman, MD

Sports Medicine

Practicing in:

North Chelmsford

(978) 454-0706Online Scheduling

Howard Wu, MD

Sports Medicine
Hip and Knee Replacement

Practicing in:

North Chelmsford

(978) 454-0706Online Scheduling

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