We found 1 provider named 'Mark Sienko' nationally.
Dr. Mark Sienko is a specialist in adult hematology and adult oncology. He works in Spokane, WA. Dr. Sienko honors Medicare insurance. He attended the University of Texas Southwestern Medical School, the University of Illinois College of Medicine at Rockford, and the University of Illinois College of Medicine at Chicago and then went on to complete his residency at St. Paul University Hospital, Dallas. He is professionally affiliated with Deaconess Hospital.