Doctors & Staff

Orthopedic Surgeons in the Illinois Valley

Robert J. Mitchell, DO

Dr. Mitchell is a board-certified orthopedic surgeon who earned his medical degree at the Chicago College of Osteopathic Medicine. He completed a four-year residency in orthopedic surgery at Midwestern University–Chicago College of Osteopathic Medicine that included work at Chicago's Northwestern Memorial Hospital, Weiss Memorial Hospital and University of Chicago Hospital as well as at Little Company of Mary Hospital and Columbia Olympia Fields Hospital and Medical Center.

Dr. Mitchell is an Illinois Valley native and a graduate of LaSalle-Peru High School. Before entering medical school, his graduated cum laude from St. Norbert College in Wisconsin.

U.K. Sinha, MD

Dr. U.K. Sinha has had a long and successful career as an orthopedic surgeon in Streator. He joined the IVCH medical staff in January 2016 and now performs knee and hip replacement surgery, as well as general orthopedic surgery, at IVCH in Peru.

Board certified and a fellow of the American Academy of Orthopaedic Surgeons, Dr. Sinha also sees patients at IVCH Streator Orthopedics.

Catherine Renk, PA-C

Renk is a board-certified physician assistant who has been part of the IVCH orthopedics team since 1990. She has a master's degree in physician assistant studies with a specialty in orthopedics from the University of Nebraska Medical Center at Omaha. Prior to that, she graduated from the physician assistant program at Wichita State University in Kansas. She and her husband, Jim, have two children and live in Peru.

Debra Pyszka, PA-C

Pyszka earned her bachelor's degree in physician assistant studies from Midwestern University in Downers Grove. She was board-certified in 1999 and has been part of the IVCH orthopedics practice since 2005. A resident of Granville, Pyszka and her husband, David, have three children.

Wes Shaw, PA-CE

Wes Shaw moved to Peru from Warrensburg, Missouri, where he was on the medical staff of Western Missouri Medical Center. He had previously served in the U.S. Air Force for more than 20 years as a physician assistant and orthopedic/surgical technician.

Shaw completed a master's degree in physician assistant studies from the University of Nebraska Inter-Service Physician Assistant Program. He is certified by the National Commission for Certification of Physician Assistants.