1732 Medical Park Dr. Biloxi, MS 39532. (228) 314-2510. Directions. Merit Health Medical Group. Merit Health Medical Group. We bring you modern medicine with a traditional, caring approach. We personally provide experienced, compassionate care whether you're in our office, the hospital, a nursing home or, in some cases, your own home. Learn More.Careers‧Bill Pay‧Find a Doctor‧Contact Us‧Patient Portal‧Request Medical Records.