Dr. Stefan Gerhard Vanderweil, MD

Dr. Stefan Vanderweil is a board-certified physician specializing in dermatology and internal medicine. He earned his medical degree from the University of Massachusetts Medical School and completed his residency training at the University of Massachusetts Medical Center. With 14 years of clinical experience, Dr. Vanderweil brings extensive expertise to treating skin conditions and providing comprehensive internal medicine care. He is fluent in both English and Spanish.

Dr. Vanderweil practices at Kaiser Permanente locations throughout Sonoma County, including facilities in Petaluma and Santa Rosa. His dermatology expertise includes treating hair loss conditions like alopecia areata and various forms of eczema, including atopic dermatitis. He performs advanced skin treatments such as cryotherapy and laser therapy for skin lesions. Patients have given Dr. Vanderweil an average rating of 4.2 on Vitals, reflecting their confidence in his care.