Josiah Hanson, MD
Acting Instructor
Division of Dermatology

Faculty Information


Dr. Josiah Hanson, is a board-certified dermatologist at the UW Medical Center's Roosevelt Dermatology Clinic, the Seattle Cancer Care Alliance and Acting Instructor in the Division of Dermatology at the University of Washington. Originally from Saint Paul, Minnesota, Dr. Hanson received his MD from the UW School of Medicine. Beginning March 2020, he served as co-chief resident for the Division of Dermatology in addition to chairing both the Wellness and Resident Education Committees. During his residency, Dr. Hanson developed an interest in dermatopathology and has conducted research on PRAME expression in non-pigmented skin cancers. In 2022, he will begin a fellowship in dermatopathology at the University of Pennsylvania’s Geisinger Medical Center.

Outside of medicine, he enjoys hiking the mountains of the Pacific Northwest and canoeing the lakes of Northern Minnesota. He also enjoys collecting rare and unusual house plants with a menagerie of over 120 varieties that help keep the company of his cats, the rambunctious 'Chicksticks' and the toothless 'Animal'.

Education & Training: 
Dermatopathology Fellowship
Geisinger Commonwealth School of Medicine
Danville, PA
Chief Resident
UW School of Medicine, Division of Dermatology
Seattle, WA
Residency in Dermatology
UW School of Medicine
Seattle, WA
Internship, Department of Internal Medicine
Virginia Mason Medical Center
Seattle, WA
Doctor of Medicine with Honors in Medicine
UW School of Medicine
Seattle, WA
Bachelor of Arts, Biochemistry, Biophysics, and Molecular Biology, Summa Cum Laude
Whitman College
Walla Walla, WA
Co-Chief Resident, UW School of Medicine, Division of Dermatology
American Society of Dermatopathology Mentorship Award, Geisinger Medical Center
LifeSaver Award, LifeCenter Northwest
George F. Odland Scholarship Award, UW School of Medicine, Division of Dermatology
Mailing Address: 

For appointments with Dr. Hanson, please visit the UW Medicine and Seattle Cancer Care Alliance websites.

Research & Clinical Interests
Research Interests: 
  • Academic Dermatology
Clinical Interests: 
  • Dermatopathology

Elsensohn A, Hanson J, Ferringer T. Preferentially expressed antigen in melanoma expression in nonmelanoma skin cancers and melanocytes in surrounding skin. J Cutan Pathol. 2021 Sep;48(9):1150-1155. doi: 10.1111/cup.14012. Epub 2021 Mar 28.PMID: 33719089

Hooton TA, Hanson JF, Olerud JE. Recalcitrant cutaneous pyoderma gangrenosum with pulmonary involvement resolved with treatment of underlying plasma cell dyscrasia. JAAD Case Rep. 2021 Jan 12;9:28-30. doi: 10.1016/j.jdcr.2020.12.028. eCollection 2021 Mar.PMID: 33604440