Dr. Joni Glavan Sago, MD

Dr. Joni Sago specializes in dermatology and internal medicine, bringing nearly three decades of clinical experience to her practice. She earned her medical degree from Johns Hopkins University School of Medicine and completed her residency training at Walter Reed National Military Medical Center. Dr. Sago is fluent in both English and Spanish, allowing her to serve a diverse patient population.

Dr. Sago practices at multiple locations throughout Tennessee, including Kingsport, Bristol, and Johnson City. She treats common skin conditions such as psoriasis and eczema, including specialized forms like dyshidrotic eczema. Her expertise extends to diagnostic procedures including tuberculosis screening and kidney transplant biopsies. Patients consistently rate Dr. Sago highly for her care, giving her an average rating of 4.9 out of 5 stars.