Transatlantic Healthcare Transatlantic Healthcare Transatlantic Healthcare, L.L.C. is a medical group of primary care physicians that provides superior health care services in Hernando, Hillsborough, Pasco and Pinellas counties. Transatlantic Healthcare and its physician affiliates are committed to providing accessibility in preventive care services and the highest quality of care for each of their patients. Why Choose Transatlantic Healthcare? You choose any one of our high quality physicians, you have access to: A group of primary care physicians committed to excellence and quality care. Primary care physicians with long-standing presence and tradition in the Tampa Bay area. Personalized attention to your needs from the medical offices staff of our physicians affiliates.