Exactus Physicians, 4510 Medical Center Drive, Ste. 314, McKinney, opened July 5. Exactus Physicians is a direct primary care clinic that offers fee-for-service care. Most procedures, labs and medications are offered at or below regular retail prices. Patients are billed directly, which means they pay a monthly membership fee and receive a variety of benefits often not available at traditional care practices. 972-439-5639