Dr. Adnan S. Badr is a board-certified gastroenterologist serving patients in Frisco, TX. He provides experienced care for digestive symptoms, GI conditions, colon cancer screening, and gastrointestinal procedures.
At his independent practice, patients receive direct physician-led care, clear communication, and thoughtful guidance based on their individual health needs.

About Dr. Badr
Dr. Badr has practiced gastroenterology since 1999. He evaluates and treats a wide range of digestive concerns, including acid reflux, abdominal pain, bloating, constipation, diarrhea, rectal bleeding, difficulty swallowing, liver concerns, colon polyps, inflammatory bowel disease, and colon cancer screening needs.
As a solo physician, Dr. Badr offers a more personal approach to care. Patients are seen by an experienced gastroenterologist who takes time to listen, explain findings, and recommend the right next step.
Education and Training
Dr. Badr completed medical school at the University of Tichreen, College of Medicine. He completed his Internal Medicine Residency at Texas Tech University Health Sciences Center, where he served as Chief Resident.
He completed his Gastroenterology Fellowship at the University of Kansas Medical Center and is board certified by the American Board of Internal Medicine in Gastroenterology.
Clinical Experience
Dr. Badr’s experience includes both diagnostic and therapeutic gastroenterology care. He performs and recommends procedures such as colonoscopy, upper endoscopy, capsule endoscopy, ERCP, esophageal dilation, esophageal manometry, polyp removal, and hemorrhoid banding.
His care focuses on helping patients understand their symptoms, receive appropriate testing, and move forward with a clear treatment plan.
Research Background
Dr. Badr has contributed to peer-reviewed gastroenterology research, including published work related to Barrett’s esophagus, GERD, esophageal conditions, Helicobacter pylori, and other digestive health topics.
This background supports a careful, evidence-informed approach to patient care.
Conditions and Procedures
Dr. Badr provides care for many digestive symptoms and conditions, including:
He also performs GI procedures, including colonoscopy, upper endoscopy, capsule endoscopy, ERCP, esophageal dilation, esophageal manometry, polyp removal, and hemorrhoid banding.
Dr. Badr is affiliated with:


These affiliations support coordinated care when hospital-based services may be needed.
Patient Trust
Patients choose Dr. Badr for experienced, independent gastroenterology care in Frisco. His practice is built around clear communication, careful evaluation, and direct physician involvement.
Dr. Badr has a 4.9-star rating with 340+ verified reviews across major healthcare review platforms, including Healthgrades, Vitals, WebMD, and U.S. News.
Professional Memberships
Dr. Badr is a member of:


Why Choose Dr. Badr?
Patients choose Dr. Badr for:

If you are looking for an experienced gastroenterologist in Frisco, TX, schedule a visit with Dr. Adnan S. Badr.