Dr. Sergio Alfonso Diaz Valdes, MD

Dr. Sergio Diaz Valdes is an internal medicine physician with 28 years of experience caring for patients with complex medical conditions. He earned his medical degree from Universidad Francisco Marroquin Facultad De Medicina and has dedicated nearly three decades to providing comprehensive internal medicine care. Dr. Diaz Valdes is fluent in both English and Spanish, allowing him to serve diverse communities throughout Tennessee.

Dr. Diaz Valdes is affiliated with Select Specialty Hospital Tri Cities and practices at multiple locations including Elizabethton and Johnson City, Tennessee. He specializes in treating serious conditions such as kidney problems, severe high blood pressure emergencies, and urinary tract infections. His expertise includes providing life-prolonging treatments and hospice care for patients facing critical illnesses. Patients consistently rate Dr. Diaz Valdes highly, giving him an average rating of 5.0, reflecting their confidence in his compassionate and …skilled medical care.