Dr. Andreshak graduated from Chicago Medical School at Rosalind Franklin University of Medicine & Science in 1991 and has been in practice for 27 years. He completed a residency at University of Iowa Hospitals & Clinics. Dr. Andreshak also specializes in Spine Surgery. Dr. Andreshak accepts multiple insurance plans including Aetna, Medicare and Humana. Dr. Andreshak also practices at Cadence Physician Group in Warrenville, IL.