Evan Feldman is a Colorectal Surgeon in Atlanta, Georgia. Dr. Feldman is rated as a Distinguished provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Familial Colorectal Cancer, Colorectal Cancer, Hemorrhoids, Ureteroscopy, and Hernia Surgery.

Zahirabbas Momin is a Radiologist in Atlanta, Georgia. Dr. Momin is rated as an Advanced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Premature Ovarian Failure, Progressive Familial Intrahepatic Cholestasis Type 2, Progressive Familial Intrahepatic Cholestasis Type 1, and Progressive Familial Intrahepatic Cholestasis Type 3. Dr. Momin is currently accepting new patients.

Booker Dalton is a Gastroenterologist in Atlanta, Georgia. Dr. Dalton is rated as an Advanced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Familial Adenomatous Polyposis, Turcot Syndrome, Gardner Syndrome, Gastrectomy, and Endoscopy. Dr. Dalton is currently accepting new patients.

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 Advanced provider by MediFind in the treatment of Diverticular Disease. Her top areas of expertise are Bowel Incontinence, Encopresis, Proctitis, Colostomy, and Colonoscopy.

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 Advanced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Hemorrhoids, Familial Colorectal Cancer, Anal Fissure, Hemorrhoidectomy, and Bladder Reconstruction.

William Small is a Radiologist in Atlanta, Georgia. Dr. Small has been practicing medicine for over 40 years and is rated as an Advanced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Ascites, Muscle Invasive Bladder Cancer, Gas Bloat Syndrome, Pancreaticoduodenectomy, and Liver Embolization.

Charles Stewart is a Gastroenterologist in Atlanta, Georgia. Dr. Stewart is rated as a Distinguished provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Familial Adenomatous Polyposis, Turcot Syndrome, Gardner Syndrome, Gastrectomy, and Endoscopy.

Jason Weiden is a Radiologist in Atlanta, Georgia. Dr. Weiden has been practicing medicine for over 22 years and is rated as an Advanced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Pleurisy, Pleural Effusion, Diverticular Disease, and Gallbladder Disease.

Jacinto Mazo is a Gastroenterologist in Atlanta, Georgia. Dr. Mazo has been practicing medicine for over 60 years and is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Familial Pancreatic Cancer, Gastroparesis, Gastroesophageal Reflux Disease (GERD), and Gastric Dysmotility.

James Barlow is a Gastroenterologist in Atlanta, Georgia. Dr. Barlow is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Hemorrhoids, Familial Adenomatous Polyposis, Gardner Syndrome, Endoscopy, and Gastrostomy. Dr. Barlow is currently accepting new patients.

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 the treatment of Diverticular Disease. His top areas of expertise are Anal Cancer, Familial Colorectal Cancer, Colorectal Cancer, Ileostomy, and Colostomy.

Kiran Maddu is a Radiologist in Atlanta, Georgia. Dr. Maddu has been practicing medicine for over 27 years and is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Gallbladder Disease, Pleural Effusion, Vertigo, Pleurisy, and Gallbladder Removal.

* Please park in the 1010 Parking Deck located at 1050 Crescent Ave NE. Please enter via our entrance on the second floor of the parking deck. Parking is validated for 2 hours.Dr. Haller graduated from the University of Central Florida in Orlando with a bachelor of science degree in molecular biology and microbiology. He earned his medical degree from the University of Miami School of Medicine. Dr. Haller completed his residency in family practice at the University of Tennessee in Memphis. Prior to joining Piedmont Physicians, Dr. Haller practiced as a fast-track physician in a busy emergency department in Homa, Louisiana. As a family physician, Dr. Haller enjoys the broad variety family practice offers. His goal is to provide the highest quality of care for all of his patients; while also respecting their busy schedules and budgets. He tries to work within a patient's insurance coverage whenever possible and believes in never compromising quality.In his free time, he enjoys fitness, travel, photography, classical music, and the companionship of his dogs. Dr. Haller is board-certified in family practice. He is available for immediate appointments and participates in most major insurance plans. Dr. Haller is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Glucocorticoid-Remediable Aldosteronism, Hypertension, Familial Hypertension, and Familial Combined Hyperlipidemia.

Joseph Mareno is a General Surgeon in Atlanta, Georgia. Dr. Mareno is rated as an Advanced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Proctitis, Hemorrhoids, Anal Fissure, Bladder Reconstruction, and Ureteroscopy.

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

Dr. McCaffrey was born and raised in Detroit, Michigan. She received a BS in biology and graduated Phi Beta Kappa from the University of Michigan. She then attended Wayne State University School of Medicine on a full academic scholarship and graduated in the top 5% percent of her class, including induction into the Alpha Omega Alpha Medical Honor Society. She completed her general surgery residency at Emory University in 2006, followed by a fellowship in colon and rectal surgery at William Beaumont Hospital in Royal Oak, MI in 2007. After completion of fellowship she joined Oakland Colon and Rectal Associates in Royal Oak, MI where she practiced until 2009.Dr. McCaffrey was recruited to join Piedmont Colorectal Associates in 2009, and she was happy to return to Atlanta. She has been a member of the Piedmont Atlanta Hospital staff since 2009 and Piedmont Henry Hospital since 2015. She is also the primary colon and rectal surgeon at The Shepherd Center, a world-renowned rehabilitation center for catastrophic spinal cord and brain injuries. She is board certified in colon and rectal surgery, as well as general surgery. She is a Fellow of the American Society of Colon and Rectal Surgeons and a Fellow of the American College of Surgeons. She was named one of Atlanta's Top Doctors by Atlanta Magazine in 2020, 2021, and 2022.Dr. McCaffrey performs treatment for a wide range of colorectal issues. One of her main interests is in robotic surgery for benign and malignant diseases of the colon and rectum. She has performed the highest volume of robotic colorectal surgery at Piedmont Atlanta Hospital, successfully completing more than 800 robotic surgeries since 2013. She serves on the robotic steering committee for Piedmont Atlanta Hospital. She also enjoys performing screening and diagnostic colonoscopies, as well as a variety of office-based and surgical procedures for anorectal issues.In her free time, Dr. McCaffrey enjoys spending time with her family and friends, traveling the world, experiencing new cultures, and collecting stamps in her passport. She regularly attends live music events, hosts dinner parties, and runs road races ranging from 5k's to half marathons. Dr. Mccaffrey is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. Her top areas of expertise are Neurogenic Bowel, Anal Fissure, Encopresis, Hernia Surgery, and Ureteroscopy.

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 the treatment of Diverticular Disease. Her top areas of expertise are Anal Fissure, Neurogenic Bowel, Mesenteric Venous Thrombosis, Pilonidal Sinus Disease, and Hemorrhoidectomy.

Alexis Calloway is a Gastroenterologist in Atlanta, Georgia. Dr. Calloway is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. Her top areas of expertise are Familial Adenomatous Polyposis, Gastritis, Gardner Syndrome, Gastrectomy, and Colonoscopy. Dr. Calloway is currently accepting new patients.

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 the treatment of Diverticular Disease. His top areas of expertise are Cholecystitis, Ogilvie Syndrome, Familial Colorectal Cancer, Endoscopy, and Colostomy.

Naveen Anand, MD, is a board-certified advanced gastroenterologist, with subspecialty training in interventional advanced gastrointestinal endoscopy. He graduated medical school from the State University of New York (SUNY) Downstate Medical Center, where he also completed his internal medicine residency, served as Chief Medical Resident of Kings County Hospital, one of the largest municipal hospitals in the City of New York, and also completed a fellowship in gastroenterology and hepatology. He then completed a second subspecialty fellowship in advanced therapeutic endoscopy at the University Maryland Medical Center in Baltimore, Maryland, where he also served as a general gastroenterology and hepatology attending. After completing his advanced therapeutic endoscopy fellowship, he went on to serve as the Director of Advanced Endoscopy at Norwalk Hospital in Norwalk, Connecticut, a Yale affiliate. He was also the Assistant Program Director of the fellowship program in gastroenterology and hepatology at Norwalk Hospital, and had faculty appointment at Yale Medical School. In addition to publishing in peer-reviewed journals, and presenting at national meetings, he also was the editor of a book focusing on the multidisciplinary management of pancreatic cancer. He is the Director of Advanced Gastrointestinal Endoscopy at Piedmont Atlanta Hospital.Dr. Anand performs therapeutic endoscopic ultrasound (EUS), endoscopic retrograde cholangiopancreatography (ERCP), spyglass cholangioscopy and pancreatoscopy, endoscopic mucosal resection (EMR), and endoscopic submucosal dissection (ESD) of large polyps and premalignant masses throughout the GI tract, enteral stenting, endoscopic closure of perforations, fistulas and leaks, Endohepatology, management of Barrett's esophagus, including radiofrequency ablation and cryoablation.His clinical interests include pancreato-biliary diseases, gastrointestinal oncology, resection of large polyps and masses throughout the GI tract, and the developing field of Endo hepatology, which focuses on using interventional procedures to help in the management of complex liver diseases.In his spare time, Dr. Anand enjoys spending time with his family, traveling, hiking, and enjoying the cultural and culinary diversity that Atlanta has to offer.Dr. Anand welcomes new patients and accepts most major insurance plans. Dr. Anand is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Bile Duct Obstruction, Bile Duct Stricture, Cholestasis, Endoscopy, and Colonoscopy.