About Us

We have been providing excellent digestive health since 1982.

The premier gastroenterology and hepatology practice in Southwest Michigan, we offer diagnostic and treatment options not offered anywhere else in our region.  As the largest provider of gastroenterology, hepatology, and GI infusion therapy services, our network of 9 offices and endoscopy locations, serve a region of more than 1 million people. We bring you the highest quality and up to date medical care where you live and work.

Brij M. Dewan, MD

Dr. Brij M. DewanBrij M. Dewan, MD - Dr. Dewan is a Gastroenterologist and Hepatologist.  Upon moving to Kalamazoo, he opened Kalamazoo Gastroenterology Hepatology in 1982.  He completed his Post-Graduate Training in Internal Medicine and Gastroenterology at Cook County Hospital, Chicago, Illinois, in 1981.  While raising his family of 2 children, he has maintained numerous affiliations such as American Medical Association, American College of Physicians, American Gastroenterological Association, American Federation of Clinical Research, and Michigan State Medical Society.  He is an Assistant Clinical Professor of Medicine at Michigan State University and has participated as an investigator in many gastrointestinal trials since 1982.  He is affiliated with  Borgess Medical Center and Bronson Methodist Hospital.  All of Dr. Dewan’s patients recognize him as a caring, compassionate physician, dedicated to patient care.

Aijaz H. Turk, MD

Aijaz H. Turk, MDAijaz H. Turk, MD - Dr. Aijaz Turk was Board Certified in Gastroenterology in 1993, after doing his Post Graduate Training in Gastroenterology and Nutrition from Loyola University, Chicago, Illinois.  He is a member of American Gastroenterological Association, American College of Gastroenterology, and the American Society of Gastrointestinal Endoscopy, and is currently Clinical Associate Professor at Michigan State University, Department of Internal Medicine.  Dr. Turk has been a partner at Kalamazoo Gastroenterology Hepatology and Digestive Health Center since 1992.  He is affiliated with Borgess Medical Center and Bronson Methodist Hospital.

Kevin L. Beyer, DO

Dr. Kevin L BeyerKevin L. Beyer, DO - Dr. Kevin L. Beyer has been a physician with Kalamazoo Gastroenterology Hepatology and Digestive Health Center since 1993 and is affiliated with all local hospitals in the Kalamazoo area.  After completing a clinical gastroenterology fellowship at the University of Missouri, Dr. Beyer proudly served a three year tour of duty as a Lt. Commander in the Gastroenterology Division at the Naval Hospital in Jacksonville, FL.  He is Board certified in both Internal Medicine and Gastroenterology as well as being the author of multiple research journal publications.  His contributions to the medical community include the education of physicians and students as he is a Clinical Instructor and Clinical Assistant Professor for both Schools of Medicine at Michigan State University. Originally a west Michigan native, Dr. Beyer leads a very family-oriented lifestyle and actively participates in a multitude of activities involving his wife and four children.

Tarun K. Sharma, MD

Dr. Tarun K. SharmaTarun K. Sharma, MD - Dr. Tarun Sharma has been Board Certified in Gastroenterology since 1997. He was Senior Gastroenterologist at Henry Ford Hospital, Detroit, MI, before going into private practice with Kalamazoo Gastroenterology Hepatology in 2004, and he is Vice Chief of Medicine for Borgess Medical Center and is a member of the Borgess Medical Executive Committee.  He is also currently a Resident teacher for Kalamazoo Center for Medical Studies. His Professional organizations include International Society for Study of Diseases of the Esophagus and the American Neurogastroenterology and Motility Society.  Dr. Sharma is affiliated with Borgess Medical CenterBronson Methodist Hospital and Three Rivers Hospital.

Silviu A. Locovei, MD, PhD

Dr. Silviu A. LocoveiSilviu A. Locovei, MD, PhD -  Dr. Silviu Locovei is board certified in Internal Medicine and Gastroenterology.  He graduated in 2015 from Case Western Univeristy.  He is a member of American Gastroenterological Association and American College of Gastroenterology.  His interst include inflammatory bowel disease.  Dr. Locovei is affilated with Borgess Medical Center and Bronson Methodist Hospital.  

Physician Assistants

pa-2015 340x960Shawn Skinner, PAC - Amy Ball, PAC - Ryan Anderson, PAC - Maura Sullivan, PAC


Together our Physician Assistants possess over 30 years of medical practice experience.  Our Physician Assistants (PAs) work under the supervision of your physician, and cooperatively provide the best healthcare possible.  PAs conduct physical exams, obtain medical histories, diagnose and treat illnesses, order and interpret test results, prescribe medications and counsel on preventative health care.

Typically your initial visit will be with a physician and potentially your PA.  Together your physician and physician assistant review your case and develop a plan of care. Often, you will see the Physician Assistant for follow up visits. Seeing a physician assistant allows us to offer you increased access to healthcare and better appointment availability, without reducing the quality of care.

KGH Office

1535 Gull Road, Suite 105
Kalamazoo, MI 49048
P: 269-385-9900
F: 269-385-2140
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DHC Office

3770 Capital Ave, SW, Suite B
Battle Creek, MI 49015
P: 269-385-9900
F: 269-385-2140
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Westside Office

6565 West Main Street, Suite C
Kalamazoo, MI 49009
P: 269-385-9900
F: 269-385-2140
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