About Us

West Michigan Clinical Research Center

WMCRC is clinical research center working with Gastroenterology Associates of Western Michigan under direction of Dr. Allan Coates and Dr. David Tabor. We have a dedicated staff of research coordinators that will help guide you through the trials. We have experience conducting a number of trials for various complex conditions including nonalcoholic steatohepatitis (NASH), Crohn’s disease, gastroparesis, and celiac disease. Our combined expertise will help educate you about your condition & treatment options and ensure your safety health throughout the trial.

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Dr. Coates

Dr. Allan Coates, D.O.

Dr. Allan Coates has been a primary investigator at WMCRC for 20 years. He received his medical degree at Des Moines University College of Osteopathic Medicine in 1980. He completed his residency in internal medicine at Metropolitan Hospital in Grand Rapids and his gastroenterology fellowship at the University of Michigan in Ann Arbor. He is board certified in both internal medicine and gastroenterology.

His clinical interest includes gastroesophageal reflux disease, esophageal motility disorders, inflammatory bowel disease and chronic liver disease.

He believes that all patients should be treated with respect and compassion, and that everyone has access to quality health care. His involvement in clinical research has allowed him to bring new and innovative treatments to patients who otherwise could not have afforded or received such care.

He has participated in a number of studies for gastroenterology conditions, including GERD, non-ulcer dyspepsia, hepatitis C, ulcerative colitis, and irritable bowel syndrome. He recently had a number of patients enrolled in a clinical trial for irritable bowel syndrome that was published in the New England Journal of Medicine.

Dr. Coates and his wife Sharyn enjoy travel, gardening and spending time with their five children.

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Dr. David Tabor, D.O.

Dr. David Tabor, D.O.

Dr. David Tabor has been an investigator at WMCRC since 2007, and is board certified in internal medicine. He graduated from Michigan State University in 2003 as Doctor of Osteopathy. He completed his residency in internal medicine at Metropolitan Hospital in Grand Rapids.