We found 1 provider named 'Mark Sienko' nationally.
Dr. Mark Sienko works as a hematologist, adult oncologist, and medical oncologist in Spokane, WA. Dr. Sienko takes 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 affiliated with Deaconess Hospital. His practice is open to new patients.