AVOID!! My son has received routine vaccines here ...

AVOID!! My son has received routine vaccines here by appointment for a year. Vaccines are fully covered by his insurance company, but in one occasion, the billing department billed it as walked in emergency service. I had to contact the insurance company to find out what happened and took several calls to the Grady billing department with insurance company's representitive to get them admit it was their mistake. They told me to ignore the bill and they will take care of it. After a year, I saw my credit scored dropped by 80 points. The bill of $155 was send to the debt collector a year ago. Shocked. Had to pay for the bill that I did not owe to get it removed (Don't know it will removed from my credit report yet). Shocking hospital, terrible service, really bad billing department. Not a nice experience at all.