Your primary care physician is the heart of your medical team. He or she is meant to be your first point of contact when something ails you. The trouble is, sometimes those ailments arise when your primary care physician isn’t available. With growing demand for their services, primary care physicians are often overbooked and hard to reach. To meet the nation’s growing health care needs, the U.S. will need to add nearly 52,000 primary care physicians by 2025. So should you do if you need medical attention but can’t reach your primary care physician? Many opt to visit the Emergency …