• Gastroenterology: Digestive System Health

Gastroenterology

Promoting digestive system health and treating digestive tract disorders

Gastroenterologists specialize in the health of the digestive tract and diseases that may compromise this organ’s ability to function properly.  District Medical Group (DMG) includes gastroenterologists specially trained in the prevention, diagnosis, and treatment of conditions of the digestive tract, which may involve the esophagus, stomach, small intestine, colon, liver, bile duct and/or pancreas, such as:

  • Acute and chronic pancreatitis

  • Cancer of the bile duct, liver and/or pancreas

  • Feeding difficulties in pediatric patients

  • Gallstone issues

  • Gastroesophageal reflux disease (GERD) and other swallowing disorders

  • Hepatitis A and B, and autoimmune hepatitis

  • Inflammatory bowel disease (IBD), including Crohn’s disease and ulcerative colitis

  • Liver diseases, including fatty liver disease

  • Nutritional complications

  • Scarring and damage of the liver

We treat patients of all ages and support pediatric patients at DMG Children’s Rehabilitative Services.

Medical Education Programs

As part of the Creighton University Arizona Health Education Alliance and in partnership with Valleywise Health, DMG offers the following undergraduate education program in pediatric gastroenterology for medical students:

For more information on DMG’s commitment to educating Arizona’s future healthcare professionals, click here.

Locations

Meet Our Gastroenterology Providers

Bradford Gelzayd MD FACG AGAF
Bradford Gelzayd, MD, FACG, AGAF
Gastroenterologist
Hepatologist
Medical Specialty: Gastroenterology
Hepatology
Medical School: Wayne State University School of Medicine, Detroit, MI
Certification: Gastroenterology, American Board of Internal Medicine
Complete bio
Indu Srinivasan, MD
Indu Srinivasan, MD
Gastroenterologist
Medical Specialty: Advanced Endoscopy
Gastroenterology
Medical School: Kasturba Medical College, Manipal, India
Certification: Gastroenterology and Internal Medicine, American Board of Internal Medicine
Complete bio
blank provider avatar
Neil Vyas, MD
Gastroenterologist
Medical Specialty: Advanced Endoscopy
Gastroenterology
Medical School: Ross University School of Medicine, Miramar, FL
Certification: Internal Medicine and Gastroenterology, American Board of Internal Medicine
Complete bio
Danlu Wang, DO
Danlu Wang, DO
Gastroenterologist
Medical Specialty: Gastroenterology
Medical School: Nova Southeastern University Dr. Kiran C. Patel College of Osteopathic Medicine, Ft. Lauderdale, FL
Certification: Internal Medicine and Gastroenterology, American Board of Internal Medicine
Complete bio
Andrew Weinberg, DO
Andrew Weinberg, DO
Gastroenterologist
Medical Specialty: Gastroenterology
Medical School: Philadelphia College of Osteopathic Medicine, PA
Certification: Gastroenterology, American Board of Internal Medicine
Complete bio