Dedicated Care for Digestive Disorders  

The highly-skilled team of Gastroenterologists at BSA Amarillo Diagnostic Clinic is focused on diagnosing and treating diseases and disorders of the digestive system. The team at BSA Amarillo Diagnostic Clinic has been offering quality healthcare to the Texas Panhandle for more than 50 years. 

Treatment options are available for a wide variety of digestive issues, including:

  • Acid reflux
  • Bulging gaps in the intestinal tract
  • Hemorrhoids, abnormal tissue growth and colon cancer
  • Hepatitis
  • Inflammatory bowel disease
  • Irritable bowel syndrome
  • Liver disease
  • Pancreatic duct issues
  • Stomach lining inflammation
  • Ulcers

Dr. Nawaz, BSA Amarillo Diagnostic Clinic's Advanced Endoscopist, specializes in a several advanced endoscopic procedures to treat patients locally. These procedures include:

  • Bile duct, liver and pancreas disorder treaments (Endoscopic Retrograde Cholangiopancreatography and Diagnostic and Therapeutic Endoscopic Ultrasound)
  • Management of conditions involving the small intestine (Deep Enteroscopy)
  • Radiofrequency Ablation for Barrett's Esophagus to prevent precancerous cells from developing on the lining of the esophagus
  • Removal of large polyps/precancerous lesions in the colon

Service Providers

Daniel Beggs, M.D.

Carla Caballero, FNP
Gastroenterology, Family Nurse Practitioner

R. Todd Ellington, Jr., M.D.

James Lusby, M.D.

Marilyn Miller, MSN-RN, FNP-C

Marilyn Miller, MSN-RN, FNP-C
Gastroenterology, Family Nurse Practitioner

Haq Nawaz, M.D.

Ashley Roberts, FNP-C
Gastroenterology, Family Nurse Practitioner

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