Joseph Nichols is a Colorectal Surgeon in Atlanta, Georgia. Dr. Nichols is rated as a Distinguished provider by MediFind in the treatment of Mesenteric Venous Thrombosis. 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 Advanced provider by MediFind in the treatment of Mesenteric Venous Thrombosis. Her top areas of expertise are Neurogenic Bowel, Anal Fissure, Encopresis, Hernia Surgery, and Ureteroscopy.

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 Mesenteric Venous Thrombosis. 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 Advanced provider by MediFind in the treatment of Mesenteric Venous Thrombosis. Her top areas of expertise are Anal Fissure, Neurogenic Bowel, Mesenteric Venous Thrombosis, Pilonidal Sinus Disease, and Hemorrhoidectomy.

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 Mesenteric Venous Thrombosis. His top areas of expertise are Hemorrhoids, Familial Colorectal Cancer, Anal Fissure, Hemorrhoidectomy, and Bladder Reconstruction.

Manila Gaddh is a Hematologist in Atlanta, Georgia. Dr. Gaddh has been practicing medicine for over 25 years and is rated as an Advanced provider by MediFind in the treatment of Mesenteric Venous Thrombosis. Her top areas of expertise are Venous Thromboembolism (VTE), Shwartzman Phenomenon, Deep Vein Thrombosis, Thrombocytopenia, and Bone Marrow Aspiration.

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

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

Neharika Nimmagadda is a Colorectal Surgeon in Atlanta, Georgia. Dr. Nimmagadda is rated as an Experienced provider by MediFind in the treatment of Mesenteric Venous Thrombosis. Her top areas of expertise are Neurogenic Bowel, Mesenteric Venous Thrombosis, Anorectal Abscess, and Pilonidal Sinus Disease. Dr. Nimmagadda 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 Mesenteric Venous Thrombosis. His top areas of expertise are Cholecystitis, Ogilvie Syndrome, Familial Colorectal Cancer, Endoscopy, and Colostomy.

Zahidul I. Chowdhury, MD., earned his medical degree from Ross University School of Medicine in 2013. He completed his Family Medicine residency at the Medical Center at Columbus Regional Health in 2016. He received his undergraduate degree in Molecular and Microbiology from the University of Central Florida. Prior to joining Piedmont Physicians, Dr. Chowdhury was in practice at Family Practice Center in Columbus, Georgia for three years. Dr. Chowdhury is board certified in Family Medicine and is a member of the American Academy of Family Physicians. His medical interests include caring for seniors and the management of chronic diseases like high blood pressure, high cholesterol, diabetes, obesity, etc. Dr. Chowdhury welcomes new patients and accepts most insurance plans, including Medicare. In his spare time, Dr. Chowdhury enjoys spending time with his family. Dr. Chowdhury is rated as an Experienced provider by MediFind in the treatment of Mesenteric Venous Thrombosis. His top areas of expertise are Cellulitis, Peptic Ulcer, Necrosis, and Sinusitis.

Wesley Hoke is a primary care provider, practicing in Family Medicine in Atlanta, Georgia. Dr. Hoke is rated as an Experienced provider by MediFind in the treatment of Mesenteric Venous Thrombosis. His top areas of expertise are Sitosterolemia, Multiple Carboxylase Deficiency, Vitamin B12 Deficiency Anemia, and Folate Deficiency. Dr. Hoke is currently accepting new patients.

Parth Patel is a primary care provider, practicing in Internal Medicine in Atlanta, Georgia. Dr. Patel is rated as an Experienced provider by MediFind in the treatment of Mesenteric Venous Thrombosis. His top areas of expertise are COVID-19, Sepsis, Gastrointestinal Bleeding, Endoscopy, and Lithotripsy. Dr. Patel is currently accepting new patients.

Jacquelyn Turner is a General Surgeon in Atlanta, Georgia. Dr. Turner is rated as an Experienced provider by MediFind in the treatment of Mesenteric Venous Thrombosis. Her top areas of expertise are Genital Warts, Anal Cancer, Hemorrhoids, Colostomy, and Colonoscopy.

Uchenna Agbim is a primary care provider, practicing in Internal Medicine in Atlanta, Georgia. Dr. Agbim is rated as an Experienced provider by MediFind in the treatment of Mesenteric Venous Thrombosis. Her top areas of expertise are Liver Failure, Hepatitis, Hepatitis C, Liver Transplant, and Kidney Transplant.

Jeffrey Wang is a Cardiologist in Atlanta, Georgia. Dr. Wang is rated as an Experienced provider by MediFind in the treatment of Mesenteric Venous Thrombosis. His top areas of expertise are Cardiac Arrest, Deep Vein Thrombosis, Mesenteric Venous Thrombosis, and Spinal Shock. Dr. Wang is currently accepting new patients.

John Elliott is a primary care provider, practicing in Internal Medicine in Atlanta, Georgia. Dr. Elliott is rated as an Experienced provider by MediFind in the treatment of Mesenteric Venous Thrombosis. His top areas of expertise are Obesity Hypoventilation Syndrome (OHS), Myelitis, Syphilis, and HIV/AIDS. Dr. Elliott is currently accepting new patients.

Robert Malamis is a primary care provider, practicing in Internal Medicine in Atlanta, Georgia. Dr. Malamis is rated as an Experienced provider by MediFind in the treatment of Mesenteric Venous Thrombosis. His top areas of expertise are Sitosterolemia, High Cholesterol, Familial Hypertension, and Glucocorticoid-Remediable Aldosteronism. Dr. Malamis is currently accepting new patients.

Abdulhameed Aziz is a Vascular Surgeon and a General Surgeon in Atlanta, Georgia. Dr. Aziz is rated as an Experienced provider by MediFind in the treatment of Mesenteric Venous Thrombosis. His top areas of expertise are Thoracic Outlet Syndrome, Carotid Artery Disease, Arterial Embolism, Carotid Artery Surgery, and Stent Placement. Dr. Aziz is currently accepting new patients.

Andrew Harper is a General Surgeon in Atlanta, Georgia. Dr. Harper is rated as an Experienced provider by MediFind in the treatment of Mesenteric Venous Thrombosis. His top areas of expertise are Gallbladder Disease, Gallstones, Choledocholithiasis, Vagotomy, and Hernia Surgery. Dr. Harper is currently accepting new patients.