Chief ResidentsPGY-3PGY-2PGY-1

Chief Residents for 2019-2020 

Over the years we've been fortunate to have outstanding residents; annually, doubly so as we are allowed 2 distinguished residents to stay-on and act as leadership for the PGY1-3s. Our chiefs have a history of bringing new ideas in teaching, implementation, policy, and technological innovation to the table in ways that are evident to all in the department. This year is no different. In fact, the chiefs have already begun to implement their creativity and are already making an impact.





Colin O'Shea, MD

Originally from Maryland, Colin went to college in Maine and medical school in Atlanta and has been in the south since. Colin graduated from residency in 2019 and is staying on as Chief Resident. Some of Colin's passions in medicine are teaching and health policy. Outside of work, Colin spends his time hiking, playing guitar, trying to cook, singing in his car, and convincing his wife to get a dog.




Sam Parnell, MD

Sam Parnell is Chief Resident and Clinical Instructor of Emergency Medicine at Vanderbilt University Medical Center. He completed his undergraduate degree in Chemical Engineering at the University of Texas at Austin and received his medical degree from UT Southwestern Medical School in Dallas, Texas. He completed residency training in Emergency Medicine at Vanderbilt in 2019 and stayed on as Chief Resident and Clinical Instructor of Emergency Medicine.

Sam has special interests in quality improvement and medical education. He is an author for the FOAMed Journal Feed website and has been awarded multiple teaching awards including the Vanderbilt School of Medicine Resident Teaching Award in 2018.

In his spare time, Sam enjoys fishing, hiking, camping, kayaking, tennis, ultimate frisbee and spending time with his amazing wife and baby daughter.