Dr. Sierra Lynn Sullivan

Dr. Sierra Sullivan specializes in internal medicine with advanced training in endocrinology, diabetes, and metabolism. She earned her medical degree from St. Georges University School of Medicine and brings four years of clinical experience to her practice. Dr. Sullivan focuses on managing complex hormonal conditions and metabolic disorders that affect how the body processes energy and maintains balance.

Dr. Sullivan practices at multiple locations throughout Lubbock, Texas, including affiliations with Covenant Health System, Covenant Women and Children's Hospital, and University Medical Center. She treats patients experiencing joint pain, knee discomfort, and back pain. Her approach to care includes physical therapy, strength training programs, and water-based exercises to help patients improve their mobility and overall health. Dr. Sullivan provides comprehensive care that addresses both immediate symptoms and long-term wellness goals.