Maria Nieto is a Cardiologist in Atlanta, Georgia. Dr. Nieto has been practicing medicine for over 24 years and is rated as an Experienced provider by MediFind in Hemorrhoidectomy. Her top areas of expertise are Familial Ventricular Tachycardia, Arrhythmias, End-Stage Renal Disease (ESRD), Angioplasty, and Hemorrhoidectomy.

Chandanreddy Devireddy is a Cardiologist in Atlanta, Georgia. Dr. Devireddy has been practicing medicine for over 28 years and is rated as an Experienced provider by MediFind in Hemorrhoidectomy. His top areas of expertise are Aortic Valve Stenosis, Angina, Heart Attack, Transcatheter Aortic Valve Replacement (TAVR), and Aortic Valve Replacement.

Ari Reichstein is a Colorectal Surgeon in Atlanta, Georgia. Dr. Reichstein has been practicing medicine for over 19 years and is rated as an Experienced provider by MediFind in Hemorrhoidectomy. His top areas of expertise are Anal Cancer, Familial Colorectal Cancer, Colorectal Cancer, Ileostomy, and Colostomy.

Evan Feldman is a Colorectal Surgeon in Atlanta, Georgia. Dr. Feldman is rated as an Advanced provider by MediFind in Hemorrhoidectomy. His top areas of expertise are Familial Colorectal Cancer, Colorectal Cancer, Hemorrhoids, Ureteroscopy, and Hernia Surgery.

Dr. Paul Joyner was born in Greenville, North Carolina. He attended the University of North Carolina at Chapel Hill for his undergraduate degrees in Biology and Psychology. He attended the University of South Alabama College of Medicine in Mobile, AL. After finishing medical school, he served at the University of Connecticut in Hartford, CT for his General Surgery Residency. He completed his colorectal fellowship at St. Francis Hospital in Hartford, CT. He then worked with the Colorectal Surgeons of Greater Hartford for two years.After welcoming the third child to his family, Dr. Joyner moved to Atlanta to join the practice at Piedmont Colorectal Associates in September 2015. Since that time, he has practiced primarily at Piedmont Henry Hospital but he also provides services at our Atlanta Office. He is board certified in both Colon and Rectal Surgery and General Surgery.Dr. Joyner performs treatment for a wide range of colorectal issues, both benign and malignant. He is certified to perform both robotically assisted and laparoscopic colorectal surgery for the treatment of various colorectal disorders including diverticular disease, inflammatory bowel disease and colorectal cancers. He also specializes in the care of anorectal disorders such as hemorrhoids, fissures, fistulas and fecal incontinence. He is well-trained in a broad range of colon and rectal disorders and offers compassionate and comprehensive care to his patients.Dr. Joyner has served and continues to serve on many professional committees and believes it is important to participate in the governance of the hospital you work with and maintain the quality of the care provided. Of special note, he has served as a member of the Robotic Surgery Committee and Medical/Surgical Quality committee at St. Francis Hospital and Institutional Review Board at Manchester Memorial Hospital. Currently, he serves on the Operational Council Subcommittee, the Perioperative Governance Committee and Professional Practice Evaluation Committee at Piedmont Henry Hospital.Dr. Joyner has three wonderful children. During his free time, he enjoys reading, the outdoors, board games, adventure races and new experiences. Dr. Joyner is rated as an Experienced provider by MediFind in Hemorrhoidectomy. His top areas of expertise are Hemorrhoids, Familial Colorectal Cancer, Anal Fissure, Hemorrhoidectomy, and Bladder Reconstruction.

Dr. Daniel Sarmiento is our newest physician at ATL Colorectal Surgery and is a board-certified colorectal surgeon who practices all aspects of colon and rectal surgery. He was born in Bogota, Colombia and attended Universidad del Rosario, one of the oldest and most prestigious medical schools in Colombia. He then started a rigorous general surgery residency at the University of Pennsylvania for 2 years and completed his training at Christiana Care Health System in Delaware. Dr. Sarmiento completed his Colon and Rectal Surgery Fellowship with the Lehigh Valley Health Network in Allentown Pennsylvania in 2017. He was then an attending surgeon at Somerset Hospital, Branch of the University of Pittsburgh Medical Center, where he served as the chair of the surgery department for many years.In 2022, he moved to Georgia and worked with the Northeast Georgia Health System primarily based in Braselton, and served as a core faculty member for the general surgery residency program. He was nominated as a Top Doctor by Georgia Trend Magazine in 2023.Dr. Sarmiento is a current Fellow of the American College of Surgeons and a Fellow of the American Society of Colon and Rectal Surgeons, where he actively serves on different committees. He has a special interest in minimally invasive surgical approaches, specifically robotic transabdominal surgery and robotic transanal minimally invasive surgery (R-TAMIS), as well as laparoscopy. He practices all aspects of colorectal surgery including treating malignant diseases of the colon, rectum and anus, as well as benign conditions such as inflammatory bowel disease, diverticular disease, constipation, and anorectal diseases including incontinence, hemorrhoids, fissures, and anal fistulae. He is also a firm believer in the importance of preventive medicine and performs colonoscopy and advanced polyp retrieval. Dr. Sarmiento is now accepting new patients at ATL Colorectal, P.C. on the Piedmont Atlanta Campus. Dr. Garzon is rated as an Experienced provider by MediFind in Hemorrhoidectomy. His top areas of expertise are Cholecystitis, Ogilvie Syndrome, Familial Colorectal Cancer, Endoscopy, and Colostomy.

Dr. Swetha Ramakrishnan is a board-certified colorectal surgeon who grew up in North Brunswick, New Jersey. She graduated with the 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 a Fellow of the American Society of Colon and Rectal Surgeons. She is currently the chairwoman of the Piedmont Atlanta Hospital Ethics Committee and serves as an adjunct clinical faculty member for Mercer University's College of Health Professions. She practices all aspects of colon and rectal surgery, including treatment of colon and rectal cancer, inflammatory bowel disease, diverticulitis, hemorrhoids, fissures, fistulae, abscesses, and pilonidal disease. She performs colonoscopy, laparoscopy, Transanal Minimally Invasive Surgery (TAMIS), High Resolution Anoscopy (HRA), the Cleft Lift procedure for pilonidal disease, and sacral neuromodulation for the treatment of fecal incontinence. She has a particular interest in the diagnosis and treatment of pelvic floor disorders. Dr. Ramakrishnan was named a Top Doctor by Atlanta Magazine and Georgia Trend Magazine in 2022. Dr. Ramakrishnan is rated as an Experienced provider by MediFind in Hemorrhoidectomy. Her top areas of expertise are Bowel Incontinence, Encopresis, Proctitis, Colostomy, and Colonoscopy.

Dr. Koerner was born in Lynchburg, Virginia and was raised in Tampa, Florida. She graduated summa cum laude from the Florida State University with a Bachelor's degree in Biology. She attended medical school at the Florida State University College of Medicine, where she was a member of the Alpha Omega Alpha honor society and, in 2015, graduated 1st in her class. She then completed general surgery residency at Emory University in Atlanta, Georgia. Following residency, she completed a colon and rectal surgery fellowship at Swedish Medical Center in Seattle, Washington. Dr. Koerner returned to Atlanta to join Piedmont Colorectal Associates in 2021.Dr. Koerner is board certified in general surgery and colorectal surgery. She is certified in minimally invasive surgery including robotic and laparoscopic surgery. She offers treatments for a wide variety of colon and rectal conditions, including colorectal malignancies, diverticular disease, inflammatory bowel disease, and motility disorders. She offers both office-based treatments and ambulatory surgery for common anorectal conditions including hemorrhoids, abscesses, anal fistulas, fecal incontinence, and anal fissures. Dr. Koerner performs both screening and diagnostic colonoscopies.Dr. Koerner enjoys traveling, hiking, cooking and baking in her free time. When not at work she is spends time with her loved ones. Dr. Koerner is rated as an Experienced provider by MediFind in Hemorrhoidectomy. Her top areas of expertise are Anal Fissure, Neurogenic Bowel, Mesenteric Venous Thrombosis, Pilonidal Sinus Disease, and Hemorrhoidectomy.

Patrick Sullivan is a Colorectal Surgeon in Atlanta, Georgia. Dr. Sullivan has been practicing medicine for over 21 years and is rated as an Experienced provider by MediFind in Hemorrhoidectomy. His top areas of expertise are Colorectal Cancer, Familial Colorectal Cancer, Anal Cancer, Colostomy, and Bladder Reconstruction.

Joseph Nichols is a Colorectal Surgeon in Atlanta, Georgia. Dr. Nichols is rated as an Experienced provider by MediFind in Hemorrhoidectomy. His top areas of expertise are Hemorrhoids, Mesenteric Venous Thrombosis, Anal Fissure, Hemorrhoidectomy, and Ureteroscopy.

Virginia Shaffer is a General Surgeon in Atlanta, Georgia. Dr. Shaffer is rated as an Experienced provider by MediFind in Hemorrhoidectomy. Her top areas of expertise are Rectal Prolapse, Colorectal Cancer, Proctitis, Ileostomy, and Hernia Surgery.

Zuhair Ahmed is an Internal Medicine specialist and a Hospital Medicine provider in Atlanta, Georgia. Dr. Ahmed is rated as an Experienced provider by MediFind in Hemorrhoidectomy. His top areas of expertise are Liver Failure, Heart Failure with Preserved Ejection Fraction (HFpEF), Endoscopy, and Bone Marrow Aspiration.

Mihai Lascar is an Internal Medicine specialist and a Hospital Medicine provider in Atlanta, Georgia. Dr. Lascar is rated as an Experienced provider by MediFind in Hemorrhoidectomy. His top areas of expertise are Chronic Inflammatory Response Syndrome (CIRS), Liver Failure, End-Stage Renal Disease (ESRD), Vertebroplasty, and Bone Graft.

Timothy Simon is a Colorectal Surgeon in Decatur, Georgia. Dr. Simon has been practicing medicine for over 33 years and is rated as an Advanced provider by MediFind in Hemorrhoidectomy. His top areas of expertise are Familial Colorectal Cancer, Colorectal Cancer, Anal Fissure, Hemorrhoidectomy, and Bladder Reconstruction.

Srikrishna Patnana is a Gastroenterologist in Atlanta, Georgia. Dr. Patnana is rated as an Experienced provider by MediFind in Hemorrhoidectomy. His top areas of expertise are Swallowing Difficulty, Gastroesophageal Reflux Disease (GERD), Encopresis, Endoscopy, and Gastrectomy. Dr. Patnana is currently accepting new patients.

Charles Bradford is an Internal Medicine specialist and a Hospital Medicine provider in Atlanta, Georgia. Dr. Bradford is rated as an Experienced provider by MediFind in Hemorrhoidectomy. His top areas of expertise are Heart Failure with Preserved Ejection Fraction (HFpEF), Chronic Inflammatory Response Syndrome (CIRS), Gallbladder Disease, Endoscopy, and Pacemaker Implantation.

James Kauten is a Thoracic Surgeon in Atlanta, Georgia. Dr. Kauten is rated as an Experienced provider by MediFind in Hemorrhoidectomy. His top areas of expertise are Aortic Valve Stenosis, Mitral Valve Regurgitation, Aortic Regurgitation, Aortic Valve Replacement, and Transcatheter Aortic Valve Replacement (TAVR).

Weiping Wang is an Interventional Radiologist in Decatur, Georgia. Dr. Wang has been practicing medicine for over 43 years and is rated as an Experienced provider by MediFind in Hemorrhoidectomy. His top areas of expertise are Ascites, Pleurisy, Pleural Effusion, Gastrostomy, and Bone Marrow Aspiration.

Sander Binderow is a Colorectal Surgeon in Atlanta, Georgia. Dr. Binderow has been practicing medicine for over 39 years and is rated as an Advanced provider by MediFind in Hemorrhoidectomy. His top areas of expertise are Hemorrhoids, Encopresis, Rectal Prolapse, Hemorrhoidectomy, and Hernia Surgery.

Gie Yu is a Colorectal Surgeon in Atlanta, Georgia. Dr. Yu has been practicing medicine for over 19 years and is rated as an Advanced provider by MediFind in Hemorrhoidectomy. Her top areas of expertise are Bowel Incontinence, Encopresis, Hemorrhoids, Hemorrhoidectomy, and Bladder Reconstruction.