Meet Doctor John Cox. Here are his vitals: He's board certified, specializing in Internal Medicine. Doctor Cox is a highly experienced doctor, with 34 years of practice in the field Patients rate Him 2.5 out of 4 stars. They point out the time he spends with them. Is affiliated with these top rated hospitals. Graduated from highly rated The Ohio State University. Doctor Cox is a published author, having articles in peer reviewed journals. His average waiting time is 28 minutes. He has a number of insurance plans accepted.