Dr. Leif Warner is a board-certified dermatologist with specialized training in both dermatology and pediatrics, allowing them to provide comprehensive skin care for children, adolescents, and adults. His clinical interests include medical dermatology, pediatric dermatology, skin cancer prevention, gender-affirming dermatologic care, and improving access to dermatologic services through telemedicine.

Dr. Warner earned a Doctor of Medicine degree from the University of Central Florida College of Medicine after completing a Master of Science at Georgetown University. He completed a pediatric residency at the University of Colorado before pursuing dermatology residency training at the University of Washington. This unique dual-training background provides Dr. Warner with a comprehensive understanding of dermatologic conditions across every stage of life.

Patients appreciate Dr. Warner's compassionate, inclusive approach to care. Throughout his career, he's worked extensively with diverse and underserved communities, emphasizing patient education, evidence-based treatment, and individualized care.

Professional Associations

Dr. Warner is an active member of several professional organizations, including:

• American Academy of Dermatology (AAD)
• American Contact Dermatitis Society
• American Society for Dermatologic Surgery (ASDS)
• Society for Pediatric Dermatology (SPD)
• Pediatric Dermatology Research Alliance (PeDRA)
• American Academy of Pediatrics (AAP)
• Washington State Dermatology Association
• Gay and Lesbian Dermatology Association

Innovation & Research

Dr. Warner's academic interests focus on pediatric dermatology, rare skin diseases, patient-centered outcomes research, skin cancer prevention, and gender-affirming dermatologic care. He has served as both principal investigator and collaborator on multiple research projects involving epidermolysis bullosa, gender-diverse health, lupus, and pediatric dermatologic conditions. His work has been presented at national conferences and has contributed to improving patient-centered research priorities for gender-diverse communities. In addition to clinical research, Dr. Warner is a recognized educator and advocate, delivering lectures on gender-affirming dermatology, autoimmune skin disease, skin of color, social determinants of health, and pediatric dermatology. He has also founded physician mentorship initiatives supporting gender-diverse healthcare professionals and have received numerous honors recognizing excellence in leadership, humanism, and medical education.

Selected Publications & Presentations

• Warner L, Sewell RL, Ma NS. Vitamin D Update in the Pediatric Population. Advances in Pediatrics. 2021.
• Kline DM, Iwamoto SJ, Warner L, et al. Research Priorities of Gender Diverse Adults. Journal of the Endocrine Society. 2022.
• Gurnurkar S, Villacres S, Warner L, Chegondi M. Successful Use of Fludrocortisone in a Child with Refractory Cerebral Salt Wasting Syndrome. Cureus. 2018.
• "Gender Affirming Injectables" – Washington State Dermatology Association Annual Conference (2025)
• "Gender Affirming Dermatology" – University of Washington Department of Dermatology Grand Rounds (2025)
• "Anifrolumab for Subacute Cutaneous Lupus Erythematosus" – Seattle Dermatologic Society (2025)

Personal Interests

Outside of medicine, Dr. Warner enjoys mentoring future physicians, community advocacy, global health initiatives, and spending time outdoors. He's participated in numerous volunteer medical programs serving underserved communities in the United States and abroad and remain committed to expanding equitable access to high-quality dermatologic care.