About the Outpatient Surgery Center (OSC) in Waltham

Conveniently located at the junction of Route 95 and the Mass Pike, the OSC at Mass General Waltham is a multidisciplinary practice that provides general and orthopedic surgery, surgical oncology, gynecology, urology, interventional radiology, and additional gastrointestinal procedures, such as colonoscopies and endoscopies, on an outpatient basis.

Before Surgery

Read instructions for diet and making arrangements before your surgery.

Day of Surgery

Read more about medication guidelines, getting dressed before surgery, diet instructions, and arriving at the OSC in Waltham.

After Surgery

Read more about leaving the Waltham OSC, pain management, and getting home after your surgery.

Additional Resources

Anesthesia FAQs
Read more about the different anesthesia options. 

FAQs: Nerve Block Catheter and Pump
Learn about how to take care of a nerve block catheter and pump at home.

Orthopedic Surgery at Waltham: Postoperative Instructional Videos
Access resources to prepare for orthopedic surgery.

Patient Gateway 
Enroll or sign-up for Patient Gateway. 

Outpatient Procedures We Provide 

At the OSC at Mass General Waltham, we offer easier access to outpatient procedures for patients who don’t want to, or cannot, travel into Boston. We deliver safe, effective outpatient surgical treatments for conditions requiring: