No, they are operated under the Anmed umbrella. You can use a financial program Anmed has called AccessOne to consolidate your medical bills into a low interest or interest free payment plan. But long answer short, you do not need insurance to visit. the staff here is pleasant. Check in online if possible to reduce wait times.
I don't know for sure. I know the actual Emergency Room must treat you even if you don't. CareConnect is affiliated with the Hospital, not the ER.
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