Private equity-backed St. Croix Hospice is adding new branches quickly. The Oakdale, Minnesota-based regional chain, purchased by Chicago-based PE firm The Vistria Group in 2017, has opened a new location in Denison, Iowa, according to a release.St.Croix opened a Humboldt, Iowa branch last month, and a location in La Crosse, Wisconsin in March. The chain also acquired Harrisonville, Missouri-based Serenity Care Hospice in March. The Serenity acquisition added a sixth state to the company’s service area of Iowa, Kansas, Minnesota, Nebraska, and Wisconsin.“St.Croix Hospice serves much of northeastern Kansas and we’re pleased our partnership with Serenity Care Hospice will expand our reach into western Missouri,” St.Croix Hospice CEO Heath Bartness notes in a release.