Hours & Appointments Please call (703) 978-5660 for appointments. We are always available for after hours emergencies. Dr. Gyuricza and Dr. Hartman can be reached by calling the office number and they will be paged. Patient office hours are by appointment on: Monday 8:00am to 5:00pm Tuesday Wednesday-Thursday 8:00am to 7:00pm 8:00am to 5:00pm Friday 8:00am to 12:00 Noon Saturday 8:00am to 1:00pm (1 Saturday a month) These hours were established to provide the utmost convenience for our patients' needs. As a courtesy to our patients, we confirm all appointments in advance. If we are unable to reach you by phone, we ask that you call the office to confirm your appointment time. Except for emergency situations, you may expect to be seen on time. In return, we ask that you extend us the same courtesy. In the event that it is necessary for you to change an appointment, we require 48 hours advance notice. This will allow time for another patient in need of care to be seen.