Hi, does anyone know a good company that provides medical billing services?

Yes, I really know one pretty good company that provides medical billing services for clinics and specialists in various areas of midicin. Here is a link to their website https://www.parkmedicalbilling.com/. Try to go there, this is a real professional company, so I'm sure they can help you.

I think the medication needs to be prescribed by a doctor.

I am grateful for this information you have shared with us. I think I know better now. I wish you all the best things in life..