The phones are answered in each office Monday through Friday from 7:00am to 5:00pm. The office has phone hours from 7:00am to 4:00pm on Saturday and Sunday office hours by appointment only as advised by the on-call doctor.
Office hours are by appointment only.
| Day \ Office | Fairfax Office | Herndon Office | Great Falls Office |
| Monday | 8:00am - 5:00pm | 8:00am - 5:00pm | 8:00am - 5:00pm |
| Tuesday | 8:00am - 5:00pm | 8:00am - 5:00pm | 8:00am - 5:00pm |
| Wednesday | 8:00am - 5:00pm | 8:00am - 5:00pm | 8:00am - 5:00pm |
| Thursday | 8:00am - 5:00pm | 8:00am - 5:00pm | 8:00am - 5:00pm |
| Friday | 8:00am - 5:00pm | 8:00am - 5:00pm | 8:00am - 5:00pm |
| Saturday | 8:00am - 2:00pm | 8:00am - 2:00pm | N/A |
| Sunday | As needed for urgent problems | N/A | N/A |
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