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Appointments and Staff

Discovering and Delivering Compassionate, Coordinated Care

For help in choosing a physician, call 866-597-HOPE (4673).

UMass Memorial Medical Group Gastrointestinal Specialists
To schedule an appointment, click on the profiles below.

Gastroenterology
  •  Wahid Wassef, MD, Director, Endoscopy 
  • Jaroslav Zivny, MD 

Medical Oncologists

  • Tasneen Ali, MD 
  • Venu Bathini, MD 
  • Vijay Kasturi, MD 
  • Eva Medvedova, MD  
  • Bradley Switzer, MD 
  • William Walsh, MD

Radiation Oncologists

  • Jesse Aronowitz, MD 
  • T.J. FitzGerald, MD, Chair, Radiation Oncology 
  • Sidney Kadish, MD 
  • Janaki Moni, MD 
  • Richard Pieters, MD, MEd
  • Shirin Sioshansi, MD

Surgeons

  • Karim Alavi, MD
  • Jennifer LaFemina, MD 
  • Laura Lambert, MD 
  • Justin Maykel, MD 
  • Paul Sturrock, MD 
  • W. Brian Sweeney, MD 
  • Giles Whalen, MD, Codirector, Center for Gastrointestinal Oncology; Chief, Surgical Oncology
  • In this Section
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    866-597-HOPE (4673)
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UMass Memorial Medical Center | Worcester, MA | 508-334-1000

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