Dr. Tanya Riddle is a fellowship-trained, triple board certified dermatologist at Billings Dermatology & Aesthetics. She has three board certifications in dermatology, dermatopathology, and micrographic dermatologic surgery (Mohs surgery). Dr. Riddle is the owner of Billings Dermatology & Aesthetics, after purchasing the practice from Philip Tallman, M.D. in May 2021.

She is a Fellow of the American Academy of Dermatology (FAAD), the American Society for Dermatologic Surgery (ASDS), the American Society for Mohs Surgery (ASMS), and the American Society of Dermatopathology (ASDP).

Dr. Riddle truly loves her profession, and her charismatic bedside manner is great evidence of that. She continually strives to provide her patients with the highest level of expertise while treating them with the same respect and care she would want for her own family members.

Dr. Riddle received high honors at the University of Texas at Austin for her undergraduate B.S. degree in Biochemistry. She went on to complete her medical degree at the University of Texas Health Science Center at Houston. She then completed a dermatology residency at the University of Texas Medical Branch where she served as Chief Resident during her final year of residency. Following residency, she completed a dermatopathology fellowship at the Mayo Clinic in Rochester, Minnesota. She is a Fellow of the American Academy of Dermatology, and an active member of the American Society of Dermatopathology and International Society of Dermatopathology.

After her training, Dr. Riddle practiced in Texas and Colorado. Ultralight backpacking and the great outdoors drew her to Montana. In her free time, she enjoys hiking with her dog, exploring the region in her campervan, jigsaw puzzles, and reading.


Tanya Riddle, MD, FAAD