I imagine they have the right to refuse service based on whatever criteria they want to put in.
Of course I have the right to not use them and share my experience on the internet, right?
Vanderbilt Eye Care in Nashville. Yep, the same Vanderbilt medical group caught on tape bragging about how much money they make from gender reassignment surgeries on children.
Not another penny. Ever.
No docs or dentists here are requiring masks. Even if the sign says masks, the people behind the desk do not wear masks and do not ask the patients to either.
Only hospitals are enforcing masks.