Dr. Adnan Nadir has been a board-certified gastroenterologist and internist in North Texas since 2000. He is also fellowship-trained in gastroenterology. Dr. Nadir places a priority on providing quality comprehensive care for common and complex digestive, esophageal and urologic disorders, including pancreatic disease and colon/rectal disorders.Dr. Nadir earned his medical degree from Dow Medical College in Pakistan. He completed his internal medicine residency at Wayne State University in Detroit, Mich., becoming chief resident during his final year of residency. He then decided to pursue a fellowship in gastroenterology at William Beaumont Hospital in Royal Oak, Mich. More recently, Dr. Nadir completed the Physician Leadership Development Program through the Southern Methodist University Cox School of Business in Dallas, Texas. He has been a member of, and has served in leadership roles for, multiple organizations and committees over the years, including the American College of Gastroenterology and American Gastroenterological Association.Outside of work, Dr. Nadir enjoys traveling and spending time with family and friends. He is fluent in the Hindi and Urdu languages. Dr. Nadir is rated as an Experienced provider by MediFind in the treatment of Colonic Malakoplakia. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Familial Adenomatous Polyposis, Childhood Volvulus, Percutaneous Coronary Intervention (PCI), and Transcatheter Aortic Valve Replacement (TAVR).

"Dr. Aamer Agha has been performing colonoscopy, upper endoscopy and capsule endoscopy procedures since 2005. He is board certified in Gastroenterology and Internal Medicine. After graduating summa cum laude from the University of Texas in Austin, his residency was done at Baylor College of Medicine in Houston, Texas. Dr. Agha completed his Fellowship in Gastroenterology, also at Baylor College of Medicine. He has also published several papers in medical literature pertaining to Gastroenterology.Dr. Agha is a member of the American Gastroenterology Association</a>, Society for Gastrointestinal Endoscopy</a> and the American College of Gastroenterology</a>.". Dr. Agha is rated as an Experienced provider by MediFind in the treatment of Colonic Malakoplakia. His top areas of expertise are Familial Adenomatous Polyposis, Gastroesophageal Reflux Disease (GERD), Hiatal Hernia, Endoscopy, and Gastrectomy.

Dr. Winston Chan is a double board-certified General Surgeon and Colon and Rectal Surgeon with additional certification and training in the use of the Da Vinci Xi robotic system for minimally invasive surgeries. He is an accomplished surgeon with extensive experience in both university-based teaching and clinical robotics proctoring.Dr. Chan earned his medical degree from the University of Cincinnati College of Medicine. He completed his general surgery residency at The University of Texas Health Science Center at Houston and his colon and rectal surgery fellowship at Baylor University Medical Center in Dallas. Dr. Chan's passion lies in using the latest advanced medical technology, such as robotics and laparoscopy, in combination with his own surgical dexterity to treat complex diseases through small incisions to promote patient comfort and outcomes. His surgical expertise includes treatment of gallbladder disease, hernias, colorectal cancer, diverticulitis and inflammatory bowel disease, anorectal disease, reflux disorders, and soft tissue conditions. Outside of work, he enjoys snowboarding, scuba diving, traveling and spending time with family.Dr. Chan is a member of the American College of Surgeons, American Society of Colon and Rectal Surgeons, and Tarrant County Medical Society. He speaks English and Mandarin. Dr. Chan is rated as an Experienced provider by MediFind in the treatment of Colonic Malakoplakia. His top areas of expertise are Ogilvie Syndrome, Retroperitoneal Inflammation, Gallbladder Disease, Bladder Reconstruction, and Endoscopy.

Dr. Daniel Jordan serves the Willow Park community. He began his career as an emergency medical technician before working in emergency room patient care and later pursuing his medical degree. Dr. Jordan is rated as an Experienced provider by MediFind in the treatment of Colonic Malakoplakia. His top areas of expertise are Gallbladder Disease, Hernia, Gallstones, Choledocholithiasis, and Hernia Surgery.

Dr. Stephen Atkinson is a general surgeon skilled to perform a variety of surgical procedures, including hernia repair and gallbladder removal. He has extensive training in minimally invasive techniques and is also certified in the use of the daVinci robotic surgical system.Dr. Atkinson earned his undergraduate degree in Mandarin Chinese before going on the complete his medical degree at the University of North Texas Health Science Center in Fort Worth. He did his general surgery residency through UPMC Community Osteopathic in Harrisburg, Penn. Dr. Atkinson is a member of the American College of Surgeons, American College of Osteopathic Surgery, and Society of American Gastrointestinal and Endoscopic Surgeons. When not with his patients, he enjoys spending time with his wife and children, and undertaking home remodeling projects. Dr. Atkinson actually paid for some of his medical schooling by flipping a fixer upper. He also likes to travel. So far, he’s been to 12 countries over 4 continents, but his mission to see the world is still a work in progress. Dr. Atkinson is rated as an Experienced provider by MediFind in the treatment of Colonic Malakoplakia. His top areas of expertise are Gallbladder Disease, Ogilvie Syndrome, Retroperitoneal Inflammation, and Choledocholithiasis.

Robert Fountila is a Radiologist in Mcallen, Texas. Dr. Fountila is rated as a Distinguished provider by MediFind in the treatment of Colonic Malakoplakia. His top areas of expertise are Gallbladder Disease, Pleural Effusion, Pleurisy, Bone Marrow Aspiration, and Gastrostomy.

Michael Nunez is an Internal Medicine specialist and a Gastroenterologist in Dallas, Texas. Dr. Nunez is rated as a Distinguished provider by MediFind in the treatment of Colonic Malakoplakia. His top areas of expertise are Diverticular Disease, Colonic Malakoplakia, Collagenous Colitis, Gastrectomy, and Endoscopy.

Rajeev Jain is an Internal Medicine specialist and a Gastroenterologist in Dallas, Texas. Dr. Jain is rated as a Distinguished provider by MediFind in the treatment of Colonic Malakoplakia. His top areas of expertise are Heartburn, Colonic Malakoplakia, Familial Adenomatous Polyposis, Colonoscopy, and Gastrectomy.

Kimberly Persley is a Gastroenterologist in Dallas, Texas. Dr. Persley is rated as an Advanced provider by MediFind in the treatment of Colonic Malakoplakia. Her top areas of expertise are Ulcerative Colitis, Crohn's Disease, Colonic Malakoplakia, Endoscopy, and Gastrectomy.

Abrar Ahmed is an Internal Medicine specialist and a Gastroenterologist in Dallas, Texas. Dr. Ahmed is rated as an Advanced provider by MediFind in the treatment of Colonic Malakoplakia. His top areas of expertise are Heartburn, Colitis, Gas Bloat Syndrome, Gastrectomy, and Endoscopy.

Adnan Badr is an Internal Medicine specialist and a Gastroenterologist in Plano, Texas. Dr. Badr is rated as an Advanced provider by MediFind in the treatment of Colonic Malakoplakia. His top areas of expertise are Familial Adenomatous Polyposis, Barrett Esophagus, Eosinophilic Colitis, Gastrectomy, and Endoscopy.

James Hakert is an Internal Medicine specialist and a Gastroenterologist in Dallas, Texas. Dr. Hakert is rated as an Advanced provider by MediFind in the treatment of Colonic Malakoplakia. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Gas Bloat Syndrome, Portal Hypertension, Gastrectomy, and Endoscopy.

German Oliver is a Gastroenterologist in Sunnyvale, Texas. Dr. Oliver is rated as an Advanced provider by MediFind in the treatment of Colonic Malakoplakia. His top areas of expertise are Turcot Syndrome, Gardner Syndrome, Familial Adenomatous Polyposis, and Diverticular Disease.

Dr. Sheikh A Saleem has worked in the field of gastroenterology since 2017. He is a fellowship-trained gastroenterologist with clinical focus in the areas of colon cancer screening and the management of gastroesophageal reflux disease, Barrett’s esophagus, Inflammatory bowel disease, various liver diseases, and acute and emergent GI conditions. He uses minimally invasive endoscopic procedures including esophagogastroduodenoscopy (EGD), colonoscopy, and other techniques for management of various GI conditions.Dr. Saleem earned his medical degree at Lahore Medical and Dental College in Pakistan. He completed his internal medicine residency at Bassett Medical Center in Cooperstown, N.Y. He remained in the northeast to complete his fellowship training in gastroenterology at SUNY Upstate Medical University in Syracuse, N.Y. Dr. Saleem previously spent five years with Gastroenterology & Hepatology of Central New York before relocating to North Texas in 2025. He is fluent in the Punjabi and Urdu languages. Dr. Saleem is rated as an Advanced provider by MediFind in the treatment of Colonic Malakoplakia. His top areas of expertise are Gastrointestinal Bleeding, Gastroesophageal Reflux Disease (GERD), Proctitis, Endoscopy, and Colonoscopy.

Vincent Kuo is an Internal Medicine specialist and a Gastroenterologist in Frisco, Texas. Dr. Kuo has been practicing medicine for over 17 years and is rated as an Advanced provider by MediFind in the treatment of Colonic Malakoplakia. His top areas of expertise are Heartburn, Gas Bloat Syndrome, Tenesmus, Colonoscopy, and Gastrectomy.

Maurice Haddad, MD, is dedicated to delivering high-quality, compassionate care to Pasadena and nearby communities. Maurice Haddad specializes in Gastroenterology and works at Maurice Haddad, MD. To make an appointment, please call (281) 998-2488. To review all accepted insurance carriers, please visit: https://www.stlukeshealth.org/patients-visitors/patients/billing-insurance/insurances-accepted. Dr. Haddad is rated as an Advanced provider by MediFind in the treatment of Colonic Malakoplakia. His top areas of expertise are Gastritis, Chronic Erosive Gastritis, Esophagitis, Gastrectomy, and Colonoscopy.

Anthony Macaluso is a Colorectal Surgeon and a General Surgeon in Plano, Texas. Dr. Macaluso is rated as an Advanced provider by MediFind in the treatment of Colonic Malakoplakia. His top areas of expertise are Diverticular Disease, Familial Adenomatous Polyposis, Hemorrhoids, Hernia Surgery, and Small Bowel Resection.

Chase Herdman is an Internal Medicine specialist and a Gastroenterologist in Fort Worth, Texas. Dr. Herdman is rated as an Advanced provider by MediFind in the treatment of Colonic Malakoplakia. His top areas of expertise are Familial Adenomatous Polyposis, Turcot Syndrome, Gardner Syndrome, Endoscopy, and Gastrectomy.

Kai Xia is a Gastroenterologist in Tyler, Texas. Dr. Xia is rated as an Advanced provider by MediFind in the treatment of Colonic Malakoplakia. Her top areas of expertise are Familial Adenomatous Polyposis, Lower Esophageal Ring, Benign Esophageal Stricture, Gastrectomy, and Colonoscopy.

Tsauyu Lin is a Gastroenterologist in Tyler, Texas. Dr. Lin is rated as an Advanced provider by MediFind in the treatment of Colonic Malakoplakia. His top areas of expertise are Turcot Syndrome, Gardner Syndrome, Familial Adenomatous Polyposis, Lower Esophageal Ring, and Endoscopy.