Jeffrey T. Dreznick, MD

Jeffrey T. Dreznick, MD is a board‑certified gastroenterologist and longstanding member of Griffin Health’s medical staff, caring for patients in the Valley for decades. He has been repeatedly recognized as a Connecticut Magazine Top Doctor, reflecting the trust and respect he has earned from both patients and peers. Dr. Dreznick specializes in diagnosing and treating disorders of the digestive tract, with a focus on thoughtful, patient‑centered care.

Dr. Dreznick understands how digestive issues can disrupt everyday life. He partners with you to uncover the root cause and develop a plan tailored to your individual needs. His approach emphasizes open dialogue, taking the time to listen, asking questions, and piecing together symptoms, history, and lifestyle factors to partner with you to create a plan that is tailored to your specific needs.

As part of Griffin Health’s Digestive Disorders Center, Dr. Dreznick uses advanced diagnostic tools and screening technologies to help patients get clear answers and peace of mind. From routine screenings to more complex digestive conditions, his goal is to help patients feel informed, supported, and confident at every step of their care journey, from first conversation through follow‑up.

Patients seeking an experienced gastroenterologist in Connecticut turn to Dr. Jeffrey Dreznick for care of common and complex digestive conditions, including acid reflux, GERD, abdominal pain, bloating, irritable bowel syndrome (IBS), inflammatory bowel disease (IBD), and celiac disease. He also provides colonoscopies and colorectal cancer screening which are an essential preventive service for protecting long‑term digestive health. Practicing through Griffin Health’s Digestive Disorders Center in Ansonia, Dr. Dreznick offers comprehensive gastroenterology care using advanced diagnostic and endoscopic technology to support accurate diagnosis, early detection, and timely treatment.