Dr. Larry L. Ertel is an internal medicine/pediatric specialist in Saint Petersburg, Florida and is affiliated with Clark Regional Medical Center. He received his medical degree from University of Kentucky College of Medicine and has been in practice for more than 20 years. Dr. Larry L. Ertel has expertise in treating coronary artery disease, hypertension & high blood pressure, diabetes, among other conditions - see all areas of expertise. Dr. Larry L. Ertel accepts Medicare, Aetna, Humana, Cigna, Blue Cross - see other insurance plans accepted.