Dr. Sostak obtained his medical school training at Loyola University Chicago, Stritch School of Medicine and performed his residency at a hospital affiliated with Medical College of Wisconsin. Areas of expertise for Dr. Sostak include knee problems, arthroscopic surgery, and musculoskeletal injuries. United Healthcare Plans, United Healthcare Choice, and United Healthcare EPO are among the insurance carriers that Dr. Sostak takes. He is professionally affiliated with Delnor Hospital. He welcomes new patients.