Dr. Tad M. Johnson graduated from the Mayo Medical School in 1982. He works in Janesville, WI and 1 other location and specializes in Allergy & Immunology. Dr. Johnson is affiliated with Mercy Hospital & Trauma Center, Mercy Medical Center and Mercy Walworth Hospital & Medical Center.
Allergy & Immunology
Medical School: Mayo Medical School; Graduated 1982
*This physician has multiple office locations. See Office Information for details.