Leadership Team

Under the direction of a skilled executive leadership team, Capital Digestive Care has grown to be the largest private practice gastroenterology group in the Mid-Atlantic and Northeastern states. Representing more than 60 physicians, nurse practitioners and physician assistants and more than 200 employees, the group sees more than 70,000 patients annually and performs one out of every two outpatient colonoscopy procedures in the Washington Metropolitan Area. Our integrated health care model connects our providers to both a specialized pathology laboratory and the largest clinical research program of its kind in the region, advancing the level of care we are able to provide our patients.

Michael Weinstein,


President & CEO

Michael Weinstein, MD

Dr. Michael Weinstein has been practicing medicine in the Washington Metropolitan area since 1985 where in his specialty of gastroenterology he has a passion for treating young adults with inflammatory bowel disease, helping them manage and cope with its effects. His advocacy for improvements to patient care was apparent early in his career when, in conjunction with his physician partners, he established the first outpatient endoscopy center in the Washington Metropolitan Area which was also the first to be approved by Medicare, nationwide. Later, he would join forces with gastroenterologists across the area to found Capital Digestive Care, serving as Vice President since 2009.

As a prominent member of the medical community, Dr. Weinstein represents physicians across the medical, political and regulatory landscapes as the Vice Chairman for the Digestive Health Physicians Association (DHPA), the national GI independent practice advocacy organization. Previously he has served as Treasurer of the Medical Society of the District of Columbia, a member of the American Gastroenterological Association Board of Trustees and as the American Society for Gastrointestinal Endoscopy representative to the American Medical Association’s CPT Advisory Panel. Dr. Weinstein also maintains an academic appointment as an Assistant Clinical Professor of Medicine at the George Washington University School of Medicine and Health Sciences.

Kevin J. Harlen,


Chief Operating Officer

Kevin J. Harlen, MSPH, FACHE

A prominent member of the Washington area medical community, Mr. Harlen has served in leadership positions across the region for the last 22 years. As a former MedStar Washington Hospital executive, Mr. Harlen served as Vice President of Professional Services followed by the position of Vice President of Strategic Planning and Business Development. Immediately prior to joining Capital Digestive Care, Mr. Harlen served as Executive Director of The Northern Virginia Hospital Alliance which is a not-for-profit coalition formed in 2002 to coordinate emergency preparedness, response and recovery activities for the member hospitals and healthcare systems in cooperation with Local, Regional, State and Federal response partners. Mr. Harlen has led Capital Digestive Care in his position as Chief Operating Officer since the company’s formation in 2008. In his role, he oversees operations and strategic direction for the company, which is one of the largest private digestive health specialty practices in the country.

In 2014, Capital Digestive Care helped found the Digestive Health Physicians Association, a national advocacy organization representing 1800 physicians in 36 states for which he serves as Executive Director. Mr. Harlen also serves as Interim Executive Director of the Digestive Health Network (DHN) formed in 2017 to develop a network of high quality and high value independent GI practices that can have a significant impact on patient care and the healthcare marketplace.

In addition, Mr. Harlen lends his voice to support communities of patients, both locally and nationally, suffering from digestive diseases. He is a member and current Treasurer of the Crohn’s and Colitis Foundation (CCF) Washington DC/Virginia Chapter Board of Trustees where he has also served as Chair of the National Capital Area Take Steps walk since 2010. As a member of the CCF Cost of IBD Task Force, he is helping to inform and shape decision making that impacts patients with Crohn’s disease and ulcerative colitis. In 2017, he was recognized with the Crohn’s and Colitis Foundation Community Champion Award. Mr. Harlen also serves as a member and former Chair of the Washington Regional Transplant Community Board of Directors and a proud member of the University of North Carolina’s School of Public Health Alumni Association Board of Governors..

Roderick Kreisberg,


Vice President

Roderick Kreisberg, MD

A native of Washington, D.C. and a former high school physics teacher, Roderick Kreisberg, MD received his medical degree and advanced fellowship training at the University of Maryland School of Medicine. In addition to conventional upper endoscopy and colonoscopy, he is trained in Endoscopic Retrograde Cholangiopancreatography (ERCP) as well as other advanced therapeutic techniques.

As Vice President, Dr. Kreisberg serves on the Executive Committee leveraging his clinical expertise and strategic insight to shape the future of Capital Digestive Care.

Questions or Inquiries?

Capital Digestive Care Corporate Office

12510 Prosperity Drive, Ste 200
Silver Spring, MD 20904
(240) 485-5200 info@capitaldigestivecare.com

Capital Digestive Care Business Inquiries

Cara Reymann CMO & Director of Practice Development (240) 485-5207 cara.reymann@capitaldigestivecare.com