O.C.G.A. § 33-20-16

Every doctor of medicine, every doctor of dental surgery, every podiatrist, and every health care provider within a class approved by the health care corporation who is appropriately licensed to practice and who is reputable and in good standing shall have the right to become a participating physician or approved health care provider for medical or surgical care, or both, as the case may be, under such terms or conditions as are imposed on other participating physicians or approved health care providers within such approved class under similar circumstances in accordance with this chapter.