Cardiology
John Erwin, M.D.
Department Chair, Internal Medicine
Greenville, SC
Dr. John P. Erwin III, MD, MBA, is a clinical cardiologist specializing in non-invasive cardiology, echocardiography, exercise physiology, cardiac rehabilitation, sports cardiology, preventative cardiology, and valvular heart disease. He treats specific conditions including familial hypertrophic cardiomyopathy, angina, hypertrophic cardiomyopathy, and prosthetic valve management. Dr. Erwin serves adult patient populations, with expertise in sports cardiology relevant to athletes and active indiv
30+
Years in Practice
Credentials
Board Certifications
- Cardiovascular Disease (ABIM)
Education & Training
- Medical School: Texas A&M Health Science Center College of Medicine (MD, 1992)
- Residency: Mayo Clinic College of Medicine and Science (Internal Medicine, 1995)
- Fellowship: Mayo Clinic College of Medicine and Science (Cardiology, 1998)
- Business School: Indiana University Kelley School of Business (MBA, Business Administration, 2024)
Peer Recognition
- Best of Illinois Physicians — Best Physician
unknown
- Castle Connolly — Top Doctor
2025-2026 (2 years)
- Healthgrades — Healthgrades Honor Roll
- Texas Super Doctors — Super Doctor
unknown
Clinical Focus
Subspecialties
Advanced Heart Failure & Transplant
Conditions & Treatments
Heart FailureAdvanced Heart FailureValve DiseaseMyocardial Infarction
Practice Details
Hospital Affiliations
- Prisma Health
- Prisma Health-Upstate
- NorthShore University HealthSystem Evanston Hospital
Languages
English
Experience
30+ years in practice