Koivunen retires after 40 years of service

  • community
By Allison Joy IRON RIVER — Dr. Ray Koivunen has practiced medicine in Iron River since 1977, where he operated his own private practice for 20 years before joining larger health systems Marquette General and Aspirus. Now, at 73, he’s finally ready to retire. “I have an older brother ... and we both went into medicine to take care of people,” Koivunen said of what drove him to the medical field. …

To access content, please login or purchase a subscription.