Today, with more than 250 clinics and 800 in-network physicians caring for over 6 million patients a year, AFC is the nation's leading provider of urgent care, accessible primary care, and occupational medicine. magazine as one of the fastest-growing companies in the U.S., AFC's stated mission is to provide the best healthcare possible, in a kind and caring environment, while respecting the rights of all patients, in an economical manner, at times and locations convenient to the patient.