Our Physicians
Expertise. Compassion. Dedication.
Meet our team of highly skilled and compassionate healthcare professionals at Providence Gastroenterology. We are dedicated to providing exceptional care and improving the digestive health of our patients. Get to know our team members and their commitment to your well-being.

Julia Greer, MD
At Providence Gastroenterology, we understand how important your gastrointestinal health is. That's why we offer a full range of gastroenterology care and general gastrointestinal treatment, including endoscopic procedures. Dr. Greer is passionate about providing patients with a personalized approach that emphasizes healthy habits and tailored medical advice. We are committed to addressing your unique needs and providing expert care that's tailored to your specific situation.

Mark DeVore, MD
Dr. De Vore, one of the most respected gastroenterologists in Metro Detroit, leads our team at Providence Gastroenterology. He has been consistently recognized as a top doctor by Hour Detroit magazine and is a Fellow of the American College of Physicians. Dr. De Vore's expertise in diagnosing and treating a variety of digestive disorders is unparalleled, and he is committed to providing his patients with the best possible care. When you choose Providence Gastroenterology, you can rest assured that you are in the hands of the most dedicated and skilled professionals in the field.

Kha Ngo, DO
Dr. Ngo has a unique approach to patient care, rooted in evidence-based medicine and focused on achieving positive outcomes and patient satisfaction. His training in the musculoskeletal system allows him to provide a holistic approach to his practice, considering the entire body in relation to digestion. At Providence Gastroenterology, we provide a comprehensive array of services to our patients, including preventative care, diagnostic testing, and advanced treatment options. We value our patients' trust and are dedicated to providing high-quality medical care in a supportive and compassionate environment.

Serge Sorser, MD
Dr. Sorser is a highly experienced gastroenterologist who completed his medical degree at the University of Michigan Medical School. Dr. Sorser went on to receive advanced training in gastroenterology and hepatology at the University of Michigan, followed by subspecialty fellowship training in therapeutic endoscopy at St. Luke's Hospital in Milwaukee, Wis. Dr. Sorser is a respected member of the medical community and has been recognized as one of Hour Detroit magazine's annual "Top Docs".

Michael Raphael, DO
At Providence Gastroenterology, we take a comprehensive and personalized approach to diagnosing and treating your digestive needs. Dr. Raphael is highly skilled in all aspects of gastroenterology, and is committed to providing our patients with a supportive, compassionate, and effective treatment plan. Our team understands that digestive issues can be complex and challenging, and we will work with you every step of the way to provide the highest quality care.

Bradley Warren, DO
As a gastroenterologist, I diagnose and treat patients suffering from a wide range of gastrointestinal and liver conditions. My focus is on providing personalized care, and I take the time to listen to each patient's individual needs and concerns. Whether it's colon polyps, cancer, or other digestive disorders, I work with patients to understand their unique situations and tailor treatment plans accordingly. With years of experience in providing exceptional care, I am confident that I can help you achieve optimal digestive health.