

Disorders of the gastrointestinal (GI) tract and liver are among the most prevalent health concerns today. They affect 60 to 70 million Americans. Gastroenterologists will perform procedures such as colonoscopies, endoscopic ultrasounds, biopsies and others to diagnose conditions that affect the esophagus, stomach, small intestine, large intestine and anus, as well as organs such as the liver, pancreas and gallbladder.
Some of the most common conditions that our highly-trained GI expert physicians and clinicians treat include:
For your convenience, we have categorized the practices by specialty. Click on the specialty to expand the list.
To find a physician, visit our team page, call 1-866-STLUKES (866-785-8537) or email us at Info.link@sluhn.org. Our helpful operators are standing by.
To schedule a colonoscopy, click here.
St. Luke’s Buxmont Gastroenterology Specialists
267-985-5000
Locations: Quakertown and Sellersville
St. Luke's Gastroenterology Specialists
484-526-6545
Locations: Albrightsville, Allentown, Bethlehem, Coaldale, Easton and Phillipsburg (NJ)
272-212-3090
Locations: Bartonsville and East Stroudsburg
Gastroenterology Associates
610-439-8551
Locations: Allentown
James J. Boylan, MD
610-868-9770
Locations: Bethlehem
Lehigh Gastroenterology Associates
610-826-6255
Locations: New Tripoli and Palmerton
Tomasz J. Niewiarowski, MD
610-974-9540
Locations: Bethlehem
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St. Luke’s Pediatric Gastroenterology
484-526-7575
Locations: Bethlehem, Bethlehem Township and Quakertown
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David Bub, MD, P.C.
610-433-7571
Location: Allentown
Darell Covington, MD, P.C.
570-421-8968
Locations: East Stroudsburg, Tobyhanna and Wind Gap
Eyvazzadeh & Reilly Colon & Rectal Center
610-866-2600
Locations: Allentown, Bethlehem, Coaldale and Easton
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Keystone Surgical Associates
484-426-2900
Locations: Allentown and Bethlehem
St. Luke’s Estes Surgical Associates
484-526-2200
Locations: Bethlehem, Coaldale, Phillipsburg (NJ), and Stroudsburg
Upper Bucks Surgical Group
215-538-4852
Locations: Allentown and Bethlehem
General Surgical Care
610-865-5535
Location: Bethlehem
P’Burg Surgical Professional Associates
908-454-6711
Location: Phillipsburg (NJ)
St. Luke’s Warren Surgical Associates
908-847-0034
Location: Phillipsburg (NJ)
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Cardiovascular & Thoracic Surgical Associates
484-526-3990
Locations: Allentown and Bethlehem
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