do you have to call to make a appointment for a physical exam?

No appointment necessary but they have office hours 3 times a day. Call for the hours.

No appointments but get there a half hour before their start time

No appt needed, just go during scheduled hours, get there s few early

Correct. No appointment necessary. It's a good idea to call or check online for hours. Arrive early, as it fills up fast. They have evening and weekend hours, too.

Yes