We found 1 provider named 'Mark Sienko' nationally.
Dr. Mark Sienko's specialties are adult hematology, adult oncology, and medical oncology. He practices in Spokane, WA. Dr. Sienko is professionally affiliated with Deaconess Hospital. He accepts Medicare insurance. He welcomes new patients. He studied medicine at 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. Dr. Sienko's residency was performed at St. Paul University Hospital, Dallas.