Timothy Johnson, MD

Timothy M. Johnson, MD

Lewis and Lillian Becker Professor
Professor, Dermatology
Professor, Otolaryngology-Head and Neck Surgery and Surgery

University of Michigan - Michigan Medicine
Department of Dermatology
1910 Taubman Center
1500 E. Medical Center Drive
Ann Arbor, MI 48109-5314

Administrative Contact

Amanda Lewis | (734) 936-4190 | amalewis@med.umich.edu


Timothy M. Johnson, M.D. is Lewis and Lillian Professor of Dermatology and a Mohs surgeon within the division of cutaneous surgery and oncology at the Michigan Medicine Department of Dermatology. He provides skin cancer patient care at the Rogel Cancer Center in Ann Arbor.

Dr. Johnson received his medical degree and dermatology residency training at the University of Texas at Houston. After completing additional fellowship training in cutaneous surgery and oncology at the University of Michigan and the University of Oregon, he joined the U-M faculty in 1990 with appointments in the departments of Dermatology, Otolaryngology and Surgery (Division of Plastic Surgery). Since coming to the U-M, he has served as clinical director of the Multidisciplinary Melanoma Program, division chief of Cutaneous Surgery and Oncology, Mohs Ambulatory Care Unit director, and training director of the fellowship in micrographic surgery and dermatologic oncology. In addition, he served as the Senior Associate Dean of Clinical Affairs and the Executive Director of the University of Michigan Medical Group (UMMG) providing leadership in promoting new initiatives and collaboration between our clinical enterprise and academic mission from December 2016 through November 2018.

His research is focused on integration of data and specimens with experimental models to identify molecular mechanisms of disease, as well as development of evidence-based strategies for better treatment. He has served as an investigator on grants, clinical trials, and numerous research activities. He established robust biorepository banks in melanoma and non-melanoma skin cancer with linkable comprehensive clinical databases. His publication portfolio includes more than 245 original peer-reviewed manuscripts in top impact journals such as Nature, Nature Medicine, Journal of Clinical Oncology, Cancer Research, Nature Cell Biology, and JAMA and over 50 invited publications/book chapters.

Dr. Johnson has received many clinical, teaching, and research honors and delivered over 150 national and international invited and keynote lectures. He received the Medical School’s Outstanding Clinician Award in 2002 and the Presidential Citation from the American Head and Neck Society in 2012. Additionally, he has served on the board of directors or executive committees of several national and international organizations, was an invited founding member of the National Comprehensive Cancer Network Guideline Committees for Skin Cancer and serves on the American Joint Committee on Cancer Staging.


Michigan Medicine Mohs/Cutaneous Surgery and Oncology | Rogel Cancer Center: (734) 936-4068
Michigan Medicine Melanoma Clinic | Rogel Cancer Center: (734) 936-6360


  • Bachelor of Arts (BA), Biology, The University of Texas, Austin, TX, 1976-1980
  • Doctor of Medicine (MD), The University of Texas at Houston Medical School, Houston, Texas, 1980-1984
  • Internship, Transitional, St. Joseph Hospital, Houston, Texas, 1984-1985
  • Resident, Department of Dermatology, University of Texas Health Science Center, Houston, Texas, 1985-1988
  • Fellow, American College of Mohs Micrographic Surgery and Cutaneous Oncology, University of Michigan, Department of Dermatology (Training Director: Neil A. Swanson, M.D.), 1988-1989
  • Fellow, American College of Mohs Micrographic Surgery and Cutaneous Oncology, University of Oregon, Department of Dermatology (Training Director: Neil A. Swanson, M.D.), 1989-1990


  • American Board of Dermatology Certification

Web Sites