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Our team approach gives patients more options, better outcomes

The Anna Jaques Hospital Digestive Health Department offers comprehensive, cutting-edge, and coordinated care for patients with all types of digestive diseases, from heartburn to organ failure. Our collaborative gastroenterologists are dedicated to the prevention, diagnosis, treatment and management of these digestive diseases. Experts in all aspects of digestive health, our multidisciplinary team of specialists offers patients the benefit of an individualized treatment plan.

Digestive Health Clinical services

  • Diagnosis and treatment for peptic ulcers, gastroesophageal reflux, abdominal pain and irritable bowel syndrome.
  • Crohn's disease and ulcerative colitis diagnosis and management.
  • Evaluation and treatment for diseases of the pancreas, bile ducts, liver including jaundice, and gallbladder including the diagnostic and therapeutic Endoscopic Retrograde Cholangiopancreatogram (ERCP) procedure. ERCP combines an endoscope with an X-ray for a thorough diagnosis and treatment of a variety of gastrointestinal problems.
  • Colorectal cancer screening including sigmoidoscopy and colonoscopy
  • Endoscopy services using advanced video endoscopic equipment 

Affiliated with BIDMC Digestive Disease Center

Complex gastroenterology cases that need advanced diagnostics or treatments are referred to specialists at the Digestive Disease Center at Beth Israel Deaconess Medical Center in Boston, one of the nation’s largest digestive disease programs. The doctors at BIDMC work in partnership with gastroenterologists at Anna Jaques to collaborate on each case from start to finish. They ensure that each patient’s care is well coordinated, and that the transition between Boston and Anna Jaques is seamless.

Doctors and Staff

Mark S. Amorosino, MD, MA

Mark S. Amorosino, MD, MA

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Specialty:

Gastroenterology

Board Certification:

American Board of Gastroenterology

Clinical Interests:

Gastroenterology

Office Locations:

Newburyport Gastroenterology LLC
Newburyport, MA
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Thomas C. Liu, MD

Thomas C. Liu, MD

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Specialty:

Gastroenterology

Board Certification:

American Board of Internal Medicine (Internal Medicine; Gastroenterology)

Office Locations:

Newburyport Gastroenterology LLC
Newburyport, MA
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Francis P. MacMillan, Jr., MD, FACG

Francis P. MacMillan, Jr., MD, FACG

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Specialty:

Gastroenterology

Board Certification:

American Board of Internal Medicine (Internal Medicine; Gastroenterology)

Office Locations:

Merrimack Valley GI
Haverhill, MA
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Bridget J. Seymour, MD

Bridget J. Seymour, MD

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Specialty:

Gastroenterology

Board Certification:

American Board of Internal Medicine (Internal Medicine, Gastroenterology)

Clinical Interests:

Gastroenterology, Hepatology

Office Locations:

Merrimack Valley GI
Haverhill, MA
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Richard Zirin, MD

Richard Zirin, MD

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Specialty:

Gastroenterology

Board Certification:

American Board of Internal Medicine (Internal Medicine, Gastroenterology)

Office Locations:

Newburyport Gastroenterology LLC
Newburyport, MA
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