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8110 Gatehouse Road, Falls Church, VA 22042

Inova Gastroenterology provides specialized care in the diagnosis and treatment of advanced gastroenterology conditions and diseases. Our team is led by Firas H. Al-Kawas, MD, a highly experienced specialist with more than 40 years experience in gastroenterology care. Our commitment is providing the highest level of quality care for our patients.

Broad Expertise in GI Conditions and Diseases

With board certifications in gastroenterology and internal medicine as well as many years of experience, our physicians are fully qualified to diagnose and treat a wide variety of digestive system disorders and diseases affecting the gastrointestinal tract.

Our Locations

Meet Our Team

Firas H Al-Kawas, MD

A member of Inova Medical Group
The doctors of Inova Medical Group are Inova’s premier primary care and specialty physicians, offering top-notch medical expertise, full access to Inova facilities, and the convenience of integrated electronic medical records.
Specialty: Gastroenterology, Internal Medicine
Board-certified specialties granted by an ABMS Member Board. Learn more about board certification.
Clinical Interests: Colonoscopy, Colorectal Cancer, ERCP, Gastrointestinal (GI) Cancer, Stomach Disorders and Treatment
Areas of special interest identified by the physician or additional training completed.
Years of Experience: 47

Tobin Scott Naidorf, MD

A member of Inova Medical Group
The doctors of Inova Medical Group are Inova’s premier primary care and specialty physicians, offering top-notch medical expertise, full access to Inova facilities, and the convenience of integrated electronic medical records.
Specialty: Gastroenterology, Internal Medicine
Board-certified specialties granted by an ABMS Member Board. Learn more about board certification.
Clinical Interests: Colonoscopy, Colorectal Cancer, Gastrointestinal (GI) Cancer, Irritable Bowel Syndrome, Stomach Disorders and Treatment
Areas of special interest identified by the physician or additional training completed.
Years of Experience: 37

Dabo Xu, MD

A member of Inova Medical Group
The doctors of Inova Medical Group are Inova’s premier primary care and specialty physicians, offering top-notch medical expertise, full access to Inova facilities, and the convenience of integrated electronic medical records.
Specialty: Gastroenterology, Internal Medicine
Board-certified specialties granted by an ABMS Member Board. Learn more about board certification.
Clinical Interests: Colonoscopy, Colorectal Cancer, Gastrointestinal (GI) Cancer, Irritable Bowel Syndrome, Stomach Disorders and Treatment
Areas of special interest identified by the physician or additional training completed.
Years of Experience: 25

Rachael S Hurwitz, PA

A member of Inova Medical Group
The doctors of Inova Medical Group are Inova’s premier primary care and specialty physicians, offering top-notch medical expertise, full access to Inova facilities, and the convenience of integrated electronic medical records.
Specialty: Physician Assistant
Board-certified specialties granted by an ABMS Member Board. Learn more about board certification.

Madison S Werber, PA

A member of Inova Medical Group
The doctors of Inova Medical Group are Inova’s premier primary care and specialty physicians, offering top-notch medical expertise, full access to Inova facilities, and the convenience of integrated electronic medical records.
Specialty: Physician Assistant
Board-certified specialties granted by an ABMS Member Board. Learn more about board certification.

Inova Gastroenterology provides diagnosis and treatment for a wide variety of digestive system disorders and diseases affecting the gastrointestinal tract. We provide quality care services for conditions including:

  • Colonoscopy
  • Polyps
  • Diagnosis of colon and bowel cancers
  • Abdominal pain
  • Irritable bowel syndrome (IBS)
  • Gallbladder stones and gallbladder cancer
  • Ulcers
  • Constipation
  • Ulcerative colitis
  • Crohn's disease
  • Hepatitis
  • Common bile duct stones
  • Reflux esophagitis, esophageal dilation and other upper GI conditions
  • Stomach disorders
  • Pancreatitis
  • Malabsorption and other nutritional problems
  • Hepatology
  • Metabolic disorders
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