Mercy Clinic Interventional Gastroenterology - Mercy Tower

4200 W. Memorial Road
Suite 310
Oklahoma City, OK 73120
Fax: (405) 749-7024
Hours of Operation:
Monday-Friday: 8 a.m. - 5 p.m.
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Mercy Interventional Gastroenterology combines state-of-the-art endoscopy procedures and extensive clinical expertise to diagnose and manage disorders of the GI tract, bile ducts and pancreas.  Using advanced technology, our physicians are able to remove early cancers and treat more complicated diseases in less invasive ways. 

Mercy gastroenterologists work as part of a larger multi-specialty team that includes surgical oncology, medical oncology, radiation oncology and radiology. 

Treatments offered:

  • Endoscopic Retrograde Cholangiopancreatography (ERCP) – pancreatic and biliary disorders
  • Cholangioscopy & Pancreatoscopy (SpyGlass)
  • Endoscopic Ultrasound (EUS) – diagnostic and therapeutic
  • Balloon Enteroscopy for Small Bowel Disorders
  • Endoscopic Mucosal Resection (EMR)
  • Endoscopic Therapies for Barrett (RFA)
  • Endoscopic Therapies for GERD (STRETTA)
  • Transoral Incisionless Fundoplication (TIF)

To schedule an appointment please call 405-749-7014.


At Mercy, ongoing research and clinical trials help us stay innovative in our treatments.  Cancer patients have the opportunity to participate in National Cancer Institute (NCI) – sponsored and industry-sponsored clinical trials. 

To learn more about our open trials and research, please call 405-752-3480.

Our Providers

Sanjay Sikka, MD, Mercy
Mercy Clinic
Nagib Toubia Toubia, MD, Mercy
Mercy Clinic