95 Collier Road NW, Suite 4025 Atlanta, Georgia 30309

About Us

Monica Hum, MD, FACS, FASCRS

Dr. Monica Hum is a board certified colorectal surgeon who has been practicing at Piedmont Hospital since 2003, after fellowship training at the Cleveland Clinic Florida and general surgery residency at St. Luke’s-Roosevelt Hospital, University Hospital of Columbia University Monica Hum Top DocCollege of Physicians and Surgeons. Dr. Hum specializes in colon and rectal surgery, with particular interest in 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 Fellow of the American College of Surgeons and a Fellow of the American Society of Colon and Rectal Surgeons. She was named to Atlanta magazine’s Top Doctors list in 2012, 2013, 2014, 2015 and 2016. She has also received the Patients' Choice Award and was recognized as one of Georgia's Favorite Physicians from 2008-2014.

Joseph Mareno, Jr, MD, FACS, FASCRS

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 and transanal endoscopic microsurgery (TEMS). He was named to Atlanta magazine’s Top Doctors list in 2015 and 2016. Dr. Mareno is a Fellow of the American College of Surgeons and received the Patients’ Choice Award in 2014.

Evan Feldman, MD, FACS, FASCRS

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 Saint Louis, Missouri.

He is presently the Vice Chair of the Piedmont Atlanta Hospital Cancer Committee and serves as a Cancer Liaison Physician to the American College of Surgeons Commission on Cancer. He has advanced training in colonoscopy and minimally invasive surgery, including laparoscopy, robotic-assisted surgery, and transanal endoscopic microsurgery (TEMS) and transanal minimally invasive surgery (TAMIS).

Swetha Ramakrishnan, MD

Swetha Ramakrishnan, MD

Dr. Swetha Ramakrishnan is a board certified general 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 at the Emory Transplant Center. She completed her fellowship in colon and rectal surgery at Barnes-Jewish Hospital/Washington University School of Medicine in St. Louis, Missouri. She practices all aspects of colorectal surgery including colonoscopy and treating inflammatory bowel disease, colon and rectal cancer, diverticulitis, pelvic floor disorders, hemorrhoids, and anal fissures.

ATL Colorectal Surgery Was Created:
  • To take time to listen
  • To be responsive to questions
  • To navigate and guide therapy
  • To focus solely on colorectal health