These areas are among Dr. Johnson's clinical interests: colon cancer, gallbladder problems, and thyroid surgery. He honors Humana HMO, Humana Bronze, Humana Catastrophic, and more. Before performing his residency at Berkshire Medical Center, Dr. Johnson attended Autonomous University of Guadalajara Faculty of Medicine for medical school. He has received the distinction of Robert J Tracy Award for Vascular Surgery. He is conversant in Spanish. Dr. Johnson is affiliated with ThedaCare. He is accepting new patients.