Who We Are

A list of Gastrointestinal Oncology staff and faculty appears below.

Department Name More Information
Directors Benjamin Calvo, MD clinical profile related website
Joel Tepper, MD clinical profile related website
Program Assistant Kim Bigelow
Susie Whorley


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Todd Baron, MD clinical profile
Lisa Gangarosa, MD clinical profile
Ian Grimm, MD clinical profile
Kim Isaacs, MD clinical profile 
Nicholas Shaheen, MD clinical profile

Medical Oncology

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Cheryl Carlson, MD, PhD  clinical profile
Michael Lee, MD clinical profile
Autumn McRee, MD clinical profile
Hanna Sanoff, MD clinical profile


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William Funkhouser, MD
Kevin Greene, MD
Yuri Trembath, MD, PhD
John Woosley, MD


Radiation Oncology

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Joel Tepper, MD clinical profile 
Andrew Wang, MD clinical profile


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Lauren Burke, MD
William Brian Hyslop, MD clinical profile 
Matthew Mauro, MD clinical profile
Katrina McGinty, MD

Interventional Radiology

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Charles Burke, MD clinical profile
Robert Dixon, MD clinical profile
Matthew Mauro, MD clinical profile

Surgical Oncology

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Benjamin Calvo, MD clinical profile
Hong Jin Kim, MD clinical profile
Michael Meyers, MD clinical profile
David Ollila, MD clinical  profile
Jen Jen Yeh, MD clinical profile
Karen Stitzenberg, MD, MPH clinical profile


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Clinical program

James Evans, MD, PhD
Cecile Skrzynia, MS, CGC
Jonathan Berg, MD, PhD
Kristy Lee, MS, CGC related website
Catherine Fine, MS, CGC related website
Clinical Trials Teresa Nuttall, RN
Julie White, RN
Ostomy Care Debbie Arrowood, RN, BSN, CWOCN
Barbara Koruda, RN, BSN, CWOCN
Ann Woodruff, RN, BSN, CWOCN
Nutritionist Jennifer Spring, RD, LD


Megan Moran, RN, BSN

Nurse Practitioners Tammy Triglianos, ANP, AOCNP
Jaclyn S. Green, MS, RN, CCRN, ACNP, BC
Teresa Sadiq, APRN, BC clinical profile

Fertility Preservation

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Jennifer E. Mersereau, MD clinical profile