Dr. Monica Hum is a board certified colorectal surgeon who started practicing at Piedmont Hospital in 2003, after fellowship training at the Cleveland Clinic Florida and general surgery residency at St. Luke’s-Roosevelt Hospital, University Hospital of Columbia University College of Physicians and Surgeons. She founded ATL Colorectal Surgery, PC in 2007. In 2017, she earned a Master of Business Administration degree from Emory University where she received the Al Bows Outstanding Executive MBA Achievement Award and was inducted into the Beta Gamma Sigma honor society
Dr. Hum specializes in colon and rectal surgery, with interest in hemorrhoids, fecal incontinence and minimally invasive surgery, including da Vinci robotic surgery. Dr. Hum introduced transanal endoscopic microsurgery (TEMS), a minimally invasive surgical technique to remove polyps and early cancers into Atlanta in 2008. Dr. Hum was the first surgeon at Piedmont Hospital to perform a single incision laparoscopic (SILS) colon resection in 2010 and she was the first surgeon in Georgia to implant the InterStim sacral nerve stimulator for fecal incontinence in 2011.
Dr. Hum is a certified member of the MD Anderson Cancer Network, a Fellow of the American College of Surgeons and a Fellow of the American Society of Colon and Rectal Surgeons.She currently is Chair of the Piedmont Women’s Physicians Network and the Chair of the Piedmont Atlanta Perioperative Governance Committee. She has received numerous Patients’ Choice Awards and has been recognized as one of Georgia’s Favorite Physicians since 2008. She has been recognized annually as an Atlanta magazine Top Doctor and a Castle Connolly’s Regional Top Doctor since 2012.
Dr. Joseph A. Mareno, Jr. is a board certified colorectal surgeon who was raised in east Cobb, Georgia. He graduated magna cum laude from Berry College in 1999 and Emory University School of Medicine in 2003. He completed his general surgery residency at the University of California San Diego Medical Center. There, he was the recipient of the Halasz “Golden Flea” Award for Excellence in Surgical Consultation. Dr. Mareno completed his fellowship in Colon & Rectal Surgery at the Cleveland Clinic in Florida.
Dr. Mareno practices all aspects of colon and rectal surgery including treatment of Crohn’s disease, ulcerative colitis, colon and rectal cancer, diverticulitis, hemorrhoids, anal fissures, pelvic floor disorders, and fecal incontinence. He has advanced training in minimally invasive surgery, including laparoscopy, transanal endoscopic microsurgery (TEMS), and transanal minimally invasive surgery (TAMIS). Dr. Mareno is a certified member of the MD Anderson Cancer Network, a Fellow of the American College of Surgeons and a Fellow of the American Society of Colon and Rectal Surgeons. He serves on the Perioperative Governance Committee and Leadership Council of Piedmont Atlanta Hospital. He received the Patients’ Choice Award in 2014 and was named to Atlanta magazine’s Top Doctors list in 2015, 2016, and 2017.
Dr. Evan Feldman is a board certified colorectal surgeon who practices all aspects of colon and rectal surgery. He earned his bachelor’s degree from Brown University in Providence, Rhode Island, where he studied public health and graduated with honors. He received his medical degree from Emory University, where he graduated with honors and was a member of the Alpha Omega Alpha Honor Medical Society. He completed his surgical internship and residency in at New York Presbyterian Hospital/Weill-Cornell Medical Center and Memorial Sloan-Kettering Cancer Center in New York City. He completed his fellowship in colon and rectal surgery at Barnes-Jewish Hospital/Washington University School of Medicine in St. Louis, Missouri.
Dr. Feldman is presently the Chair of the Piedmont Atlanta Hospital Colorectal Surgery Quality Committee and serves as a member of the Piedmont Atlanta Hospital Cancer Committee. In 2017, he received the Piedmont Clinic Chairman’s Service Award recognizing his work reducing colorectal surgery infections across the Piedmont Healthcare system. He is a certified member of the MD Anderson Cancer Network, a Fellow of the American College of Surgeons, and a Fellow of the American Society of Colon and Rectal Surgeons. He has advanced training in colonoscopy and minimally invasive surgery, including laparoscopy, robotic-assisted surgery, transanal endoscopic microsurgery (TEMS) and transanal minimally invasive surgery (TAMIS).
Dr. Swetha Ramakrishnan is a board certified colorectal surgeon who grew up in North Brunswick, New Jersey. She graduated with highest distinction from a combined 7 year BS/MD program from Pennsylvania State University with a degree in life science and a minor in German language. She received her MD degree from Jefferson Medical College where she was inducted into the Alpha Omega Alpha Honor Medical Society. She then completed her general surgery residency at the Emory University School of Medicine, where she also completed a 2-year post-doctoral research fellowship in transplant immunology. She completed her fellowship in colon and rectal surgery at Barnes-Jewish Hospital/Washington University School of Medicine in St. Louis, Missouri.
Dr. Ramakrishnan is a Fellow of the American College of Surgeons, and currently practices all aspects of colorectal surgery including laparoscopy, transanal minimally invasive surgery (TAMIS), colonoscopy, and high resolution anoscopy for anal dysplasia. She treats inflammatory bowel disease, colon and rectal cancer, diverticulitis, rectal prolapse, hemorrhoids, pilonidal disease, and anal fissures. She performs sacral nerve stimulator (SNS) implantation for fecal incontinence and performs in office anorectal manometry. She has a particular interest in the diagnosis and treatment of pelvic floor disorders including fecal incontinence, constipation, and post-partum anorectal disease.
Dr. Marissa Anderson is a board certified surgeon who completed Colon & Rectal surgery fellowship at New York University Langone Health. Dr. Anderson received her undergraduate degree at Emory University in 2005 and graduated from the University of Miami Miller School of Medicine in 2010 where she was a member of the Alpha Omega Alpha honor society. She completed her general surgery residency at the University of Texas Southwestern in Dallas in 2015, after which she was in practice in Boston for 3 years as teaching faculty in General Surgery at Cambridge Health Alliance/Harvard Medical School prior to pursuing fellowship training.
Dr. Anderson has advanced training in colonoscopy and minimally invasive surgery, including robotics, laparoscopy and transanal minimally invasive surgery (TAMIS). Her fellowship provided her with extensive training in robotic assisted surgery and operations for inflammatory bowel disease and her particular interest is in the application of the robot for complex surgery, particularly inflammatory bowel disease and colorectal cancers.