Kristina Cossen, MD

At Wellstar Colon & Rectal Surgery, we provide expert, personalized care for conditions affecting the small intestine, colon, rectum, and anal region. Our skilled team specializes in treating hemorrhoids, fissures, fistulas, colon and rectal cancer, Crohn’s disease, diverticulitis, ulcerative colitis, fecal incontinence, and more. We also offer screening and diagnostic colonoscopies to support early detection and prevention. With a commitment to compassionate care and advanced treatment options, we help patients achieve better digestive health and overall well-being.

Dr. Stephanie Jernigan is a pediatric nephrologist and the Medical Director of Pediatric Dialysis at Children's Healthcare of Atlanta. Her primary office is at the Center for Advanced Pediatrics in Atlanta.

Dr. Briana Patterson is a pediatric endocrinologist at Children's Healthcare of Atlanta. She specializes in a variety of endocrinology disorders as well as cancer survivorship. Her primary office is at the Center for Advanced Pediatrics in Atlanta.