Frazier Healthcare Partners, a Seattle-based, healthcare-focused investment firm, completed the acquisition of BioMatrix, a national provider of home-based infusion services with clinical expertise in neurological diseases, immunology deficiencies and transplants. Financial terms were not disclosed. "Backing best-in-class operators is a core tenet of our investment strategy, and we are thrilled to back Ted and Kathee. As they have done previously, our shared vision for this asset is to build a nationally renowned platform that puts the patient at the center of everything we do," Philip Zaorski, Frazier Partner.