The Munster Medical Center building at 761 45th Street in Munster, Ind. Wednesday June 27, 2012. | Stephanie Dowell~Sun-Times Media
The medical building at 1950 45th Street in Munster8, Ind. Wednesday June 27, 2012. | Stephanie Dowell~Sun-Times Media
A Medical Specialists sign adorns one end of the building at 1950 45th Street in Munster, Ind. Wednesday June 27, 2012. | Stephanie Dowell~Sun-Times Media
The Medical Specialist building at 919 Main Street in Dyer, Ind. Wednesday June 27, 2012. | Stephanie Dowell~Sun-Times Media
An evolving health care market and changes in the payment and delivery of medical services are driving area hospitals to purchase physician practices and align their economic interests. Last week Northwest Indiana’s largest independent physician group practice, Medical Specialists Inc., confirmed it is negotiating a …