Dr. John C. Southall, who lives in South Portland, is the new chief of Emergency Services at Mercy Hospital.

Southall was most recently an attending physician in the Department of Emergency Medicine at Maine Medical Center, where he also served as a resident research director.

Southall received his undergraduate degree from Colby College and his medical degree from Columbia University’s College of Physicians and Surgeons. He completed his residency in emergency medicine at Denver Health Medical Center.