Patient Portal. SIGN-UP OR LOGIN. Online Bill Pay - MyChart; Appointment Scheduling ... Watson Clinic Main 1600 Lakeland Hills Blvd. Lakeland, FL 33805. Monday - Friday: 6:30 ... Phone: 863-680-7000 . The epicenter of the Watson Clinic network, our Main location is home to 27 specialties, nearly two-dozen subspecialties and services, and ....