Dr. Erin Peterson, DO is a Physiatrist, who primarily practices in Mason City, IA with 1 additional practice location. She has been practicing for over 18 years and is board certified.
Dr. Kelly Ross, MD is a Family Medicine Specialist, who primarily practices in Saint Ansgar, IA with 1 additional practice location. He is board certified.
Dr. Michael Del Rio, MD is a Thoracic Surgeon, who primarily practices in Mason City, IA with 2 additional practice locations. He has been practicing for over 38 years and is board certified.
Find doctors affiliated with MercyOne North Iowa Medical Center,
which is a Castle Connolly Ranked Top Hospital
in the Mason City/IA area.
Castle Connolly ranks hospitals based on over 20 procedures
nationally, by state, and by major metro area.
See this hospital's overall rankings on Castle Connolly.
See other ranked hospitals.