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Dr. Damien Mallat, MD

Gastroenterologist, Internist

Professional statement

Dr. Mallat is nationally recognized gastroenterologist from his involvement in multi-center trials and national publications. He achieves unique results in the management of complex gastrointestinal diseases. For almost ten years, he has trained doctors in gastroenterology and advanced endoscopy. Although most of our patients are in the Dallas-Ft. Worth area, Dr. Mallat regularly sees patients from Oklahoma, Arkansas, Louisiana, Alabama, New Mexico, and Kansas. In addition, patients have come from as far as India and Egypt to seek his consultation. Dr. Mallat receives a large number of referrals from other gastroenterologists. He regularly provides second and third opinions on complex digestive disease issues such as abdominal pain, Barrett’s Esophagus, pancreas diseases, and gastrointestinal cancers. Over the past ten years, he invented and refined multiple advanced endoscopic therapies. These unique therapies have enabled minimally invasive resection of GI cancers, drainage of large pancreatic cysts as well as relief of chronic pain. Although most gastroenterologists are trained to perform colonoscopies and remove polyps, Dr. Mallat frequently removes large and complex polyps endoscopically rather than refer those patients to surgery as is commonly done by other gastroenterologists. Finally, Dr. Mallat is committed to providing his patients with premier treatment options.

In-network insurances

  • AARP
  • Accountable Health Plan of Ohio
  • Aetna


  • Internist
  • Gastroenterologist

Practice names

Board certifications

  • Gastroenterology (Internal Medicine)

Education and training

  • Medical School - Lebanese University Faculty of Medical Sciences, Doctor of Medicine
  • Icahn School of Medicine at Mount Sinai, Jersey City Medical Center, Internship in Internal Medicine
  • Icahn School of Medicine at Mount Sinai, Jersey City Medical Center, Residency in Internal Medicine
  • University of Miami, Fellowship in Hepatology and Laparoscopy
  • Baylor College of Medicine, Fellowship in Gastroenterology
  • Baylor College of Medicine, Fellowship in Therapeutic Endoscopy and Endosonography

Professional memberships

  • American College of Physicians

Zocdoc awards

See you again
Speedy response

Languages spoken

  • English

Provider's gender


NPI number


Office locations

Premier Gastroenterology of Texas

800 8th Ave, Ste 116

Fort Worth, TX 76104

Premier Gastroenterology of Texas

2600 West Pleasant Run Road

Lancaster, TX 75146

Premier Gastroenterology of Texas

6750 Hillcrest Plaza Dr., Suite 200

Dallas, TX 75230

Premier Gastroenterology of Texas

7445 Las Colinas Blvd

Irving, TX 75063

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