Skip to main content
Tad Johnson, MD, Allergy & Immunology, Janesville, WI

TadMarkJohnsonMD

Allergy & Immunology Janesville, WI

Asthma & Allergic Conditions

Physician

Are you Dr. Johnson?

Join over one million U.S. Physicians, Nurse Practitioners and PAs, already on Doximity.

  • Gain access to free telehealth tools, such as our "call shielding" and one-way patient texting.
  • Connect with colleagues in the same hospital or clinic.
    You already have 33 invites waiting!
  • Read the latest clinical news, personalized to your specialty.

Claim this profile

Not you? Find your profile

  • Office

    3524 E Milwaukee St
    Janesville, WI 53546
    Phone+1 608-756-7100
    Fax+1 608-756-4700

Summary

  • Dr. Tad Johnson, MD is an allergist/immunologist in Janesville, Wisconsin. He is currently licensed to practice medicine in Wisconsin and Illinois. He is affiliated with Mercyhealth Hospital and Trauma Center - Janesville.

Education & Training

  • Medical College of Wisconsin Affiliated Hospitals
    Medical College of Wisconsin Affiliated HospitalsFellowship, Allergy and Immunology, 1986 - 1988
  • Medical College of Wisconsin Affiliated Hospitals
    Medical College of Wisconsin Affiliated HospitalsResidency, Pediatrics, 1982 - 1985
  • Mayo Clinic College of Medicine
    Mayo Clinic College of MedicineClass of 1982

Certifications & Licensure

  • WI State Medical License
    WI State Medical License 1983 - 2025
  • IL State Medical License
    IL State Medical License 2015 - 2017
  • American Board of Allergy and Immunology Allergy & Immunology
  • American Board of Pediatrics Pediatrics

Awards, Honors, & Recognition

  • CMS Meaningful Use Stage 1 Certification EpicCare Ambulatory EMR, Epic Systems Corporation, 2012
  • Fellow (FAAAAI) American Academy of Allergy Asthma and Immunology

Professional Memberships