What is GW Research?

GW Research specializes in clinical trials for Gastroenterology-Digestive disease research. We offer evidence-based research of the latest medical treatments for multiple medical conditions, in order to help advance knowledge and care of people affected by these conditions.

Jessica Kovall, PA-C Physician Assistant


I am a certified Physician Assistant, originally from New York. I originally worked in Urgent Care centers in upstate New York, Maryland and Hawaii. Once I switched to the gastroenterology specialty, I knew I found my passion. I have had the honor and privilege of training with multiple GI doctors, and have spent the last two years working with and learning from Dr. Gregory Wiener. I am excited to continue to grow as a gastroenterology provider and share my knowledge with my patients.

What is a Clinical Trial?

Clinical trials are tests that are used to help determine the effectiveness and safety of medical treatments. These medical treatments might be drugs, diagnostic equipment and procedures, medical devices and other therapies.

We are currently recruiting for the following Clinical Trials

What is Clinical Research?

Our main research facility is a pleasant, state of the art, wheelchair accessible, center adjacent and is connected to the private practice of the principal and sub-investigator. This offers the advantage of always having an investigator present at the site and facilitates communication with research staff as well as the ability to see the research subjects conveniently.

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