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General Surgery Residency
Department of Surgery
Who We Are
Who We Are
General Surgery Residency
Residency Leadership
Current Residents
Current Residents
Chief Residents 2026-2027
Chief Residents 2026-2027
Fiona Dore, MD
Jiddu Guart, MD
Alyssa Kalustian, MD
Joseph LiCausi, MD
Olajumoke "Jummy" Megafu, MD
Alexander Moskovitz, MD
Anupama Singh, MD
Julie Thomann, MD
Kabir Torres, MD
PGY-4
PGY-4
Zachary "Zack" Ballinger, MD
Nicole "Nikki" Hays, MD
Minghui "Jennifer" Huang, MD
Klair Lubonja, MD
Hayley Reddington, MD
Sarah Roberts, MD
Emily Stroobant, MD
Dallas Walter, MD
PGY-3
PGY-3
Denis de la Flor, MD
Camille Dirago, MD
Benjamin Gallant, MD, MSCI
Nichita Kulkarni, MD
Anqi "Angie" Liu, MD
Lucas Lyons, MD
Joy Mohnot, MD
Haley Perkins, MD
Kayla Widdowson, MD
Academic Development Time
Academic Development Time
Camille Briskin, MD
Javier "Javi" de Jesus Diaz Collante, MD
Rachel Huselid, MD
Benjamin Palleiko, MD
Katherine "Katie" Palmer Loveluck, MD
PGY-2
PGY-2
Marlene Jacobo, MD
Kiertana Kannan, MD
Nicholas "Nick" King, MD
Nithin Lankipalle, MD
Samantha "Sam" Lee, MD
Marcus Vincius Padilha, MD
Samara Sober, MD
Po Hong "Paul" Tan, MBBS
Daniel "Dan" Ugochukwu, MD
Elizabeth "Lizzy" Vinton, MD, MPH
PGY-1
PGY-1
Fatima Syed Amanullah, MBBS
Brandon Dexter, MD
Sarah Jacobson, MD
Nicholas "Nick" Jarostchuk, MD
Michaela Jordan, MD
Samantha "Sam" Kaliszewski, MD
Tatyana Koustov, MD
Sabrina V. Lazar, MD
Brenna McKaig, MD
Anthony "Tony" Vejar, MD
Hannah Woolley, MD
Alumni
How to Apply to the Residency
Contact Us
Residency Photos
Curriculum
Curriculum
Program Description
Sample Rotations and Call Duties
Educational Didactics
Program Highlights
Program Highlights
Academic Development Time
Global Surgery
Residency Wellness
Life in Worcester
Wellness and Benefits
Wellness and Benefits
HR Employee Benefits
Resident Well-being
Fitness Center
Child Care Assistance Program
UMass Employee Discounts
How to Apply
How to Apply
Application Process
Eligibility
Visa Information
Program Specific Application Requirements
Additional Resources
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PGY-4
Zachary "Zack" Ballinger, MD
Nicole "Nikki" Hays, MD
Minghui "Jennifer" Huang, MD
Klair Lubonja, MD
Hayley Reddington, MD
Sarah Roberts, MD
Emily Stroobant, MD
Dallas Walter, MD
PGY-4
Zachary "Zack" Ballinger, MD
Nicole "Nikki" Hays, MD
Minghui "Jennifer" Huang, MD
Klair Lubonja, MD
Hayley Reddington, MD
Sarah Roberts, MD
Emily Stroobant, MD
Dallas Walter, MD
Resident Biography
Dallas Walter, MD
Postgraduate Year 4
Medical School
Tufts University, Boston, MA
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Who We Are
Who We Are
General Surgery Residency
Residency Leadership
Current Residents
Current Residents
Chief Residents 2026-2027
Chief Residents 2026-2027
Fiona Dore, MD
Jiddu Guart, MD
Alyssa Kalustian, MD
Joseph LiCausi, MD
Olajumoke "Jummy" Megafu, MD
Alexander Moskovitz, MD
Anupama Singh, MD
Julie Thomann, MD
Kabir Torres, MD
PGY-4
PGY-4
Zachary "Zack" Ballinger, MD
Nicole "Nikki" Hays, MD
Minghui "Jennifer" Huang, MD
Klair Lubonja, MD
Hayley Reddington, MD
Sarah Roberts, MD
Emily Stroobant, MD
Dallas Walter, MD
PGY-3
PGY-3
Denis de la Flor, MD
Camille Dirago, MD
Benjamin Gallant, MD, MSCI
Nichita Kulkarni, MD
Anqi "Angie" Liu, MD
Lucas Lyons, MD
Joy Mohnot, MD
Haley Perkins, MD
Kayla Widdowson, MD
Academic Development Time
Academic Development Time
Camille Briskin, MD
Javier "Javi" de Jesus Diaz Collante, MD
Rachel Huselid, MD
Benjamin Palleiko, MD
Katherine "Katie" Palmer Loveluck, MD
PGY-2
PGY-2
Marlene Jacobo, MD
Kiertana Kannan, MD
Nicholas "Nick" King, MD
Nithin Lankipalle, MD
Samantha "Sam" Lee, MD
Marcus Vincius Padilha, MD
Samara Sober, MD
Po Hong "Paul" Tan, MBBS
Daniel "Dan" Ugochukwu, MD
Elizabeth "Lizzy" Vinton, MD, MPH
PGY-1
PGY-1
Fatima Syed Amanullah, MBBS
Brandon Dexter, MD
Sarah Jacobson, MD
Nicholas "Nick" Jarostchuk, MD
Michaela Jordan, MD
Samantha "Sam" Kaliszewski, MD
Tatyana Koustov, MD
Sabrina V. Lazar, MD
Brenna McKaig, MD
Anthony "Tony" Vejar, MD
Hannah Woolley, MD
Alumni
How to Apply to the Residency
Contact Us
Residency Photos
Curriculum
Curriculum
Program Description
Sample Rotations and Call Duties
Educational Didactics
Program Highlights
Program Highlights
Academic Development Time
Global Surgery
Residency Wellness
Life in Worcester
Wellness and Benefits
Wellness and Benefits
HR Employee Benefits
Resident Well-being
Fitness Center
Child Care Assistance Program
UMass Employee Discounts
How to Apply
How to Apply
Application Process
Eligibility
Visa Information
Program Specific Application Requirements
Additional Resources
