Phil D. Sang, M.D., M.S.

Philip Sang, M.D., M.S., is a consultant in the Division of General Internal Medicine at Mayo Clinic in Rochester, Minnesota, and an Instructor of Medicine at Mayo Clinic College of Medicine and Science. Dr. Sang specializes in consultative internal medicine and Executive Health, providing care to people from across the United States and internationally. His practice focuses on diagnostic reasoning, comprehensive evaluation, and personalized health planning for individuals with complex, unexplained or multisystem medical concerns, as well as those interested in preventive care and healthy aging.

Dr. Sang is board certified in internal medicine and draws on his training and experience to integrate thorough history-taking, physical examination, and evidence-based testing. He works within Mayo Clinic's collaborative model, partnering with subspecialists as needed to ensure an accurate, efficient, and meaningful diagnostic process. In addition to his clinical practice, Dr. Sang teaches medical students and residents, with academic interests in diagnostic reasoning, preventive health, healthy aging, and combating misinformation in medicine.

Areas of expertise

Dr. Sang emphasizes a patient-centered approach that combines careful diagnostic reasoning with evidence-based strategies for prevention and long-term health.

Complex, undiagnosed medical concerns: Comprehensive evaluation and integration of prior testing for people with persistent, unexplained symptoms

Consultative internal medicine: Coordinated assessment for multisystem health issues and diagnostic uncertainty

Executive Health evaluations: Advanced preventive assessments focusing on cardiovascular risk, cancer screening, and overall wellness

Medical decision-making in uncertainty: Guidance in interpreting conflicting or unclear findings and creating actionable care plans

Preventive health and healthy aging: Strategies for long-term wellness, early risk identification, and individualized prevention

Vaccination and screening strategies: Evidence-based recommendations to reduce disease risk and improve health outcomes

Research and expertise

Dr. Sang earned a bachelor's degree in biology from The Johns Hopkins University, a master's degree in physiology and biophysics from Georgetown University, and a medical degree from New York Medical College, where he completed a concentration in medical education. He finished his internal medicine residency at Mayo Clinic in Rochester, Minnesota, where he also served as a resident leader and educator.

His scholarly work includes studies on physician diagnostic accuracy and the use of artificial intelligence in medical decision-making. Dr. Sang contributes to medical education through teaching clinical reasoning, evidence appraisal, and strategies for addressing uncertainty in clinical care.