St. Joseph Medical Group
Multispecialty Clinic
Our medical practice is dedicated to providing exceptional healthcare through a team of board-certified physicians who are committed to your well-being.
Specialties
Bariatric Surgery
Cardiology
Colon Surgery
Gastroenterology
General Surgery
Interventional Pain Medicine
Meet Our Team
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![Nathaniel Avila, MD]()
Nathaniel Avila, MD
Gastroenterology
Dr. Nathaniel Avila, MD is a Houston native and a board-certified gastroenterologist specializing in advanced endoscopy and comprehensive digestive care. He is committed to patient-centered treatment, early detection, and improving long-term gastrointestinal health across the Houston community. -
![A middle-aged male doctor with glasses, wearing a white lab coat, gray shirt, and blue scrubs, standing against a gray background.]()
Javier Canon, MD
Interventional Pain Medicine
Dr. Canon, MD brings more than 20 years of experience in interventional pain medicine. His unique background in psychiatry, addiction psychiatry and pain medicine gives him an in-depth knowledge and understanding of the suffering involved with painful conditions and their related treatment. He uses these skills to perform detailed patient evaluations and formulate comprehensive diagnostic treatment plans. -
![Ashwin Durairaj, MD]()
Ashwin Durairaj, MD
Cardiology
Ashwin Durairaj, MD is a board certified cardiologist in internal medicine and cardiovascular disease, with advanced certifications in cardiac MRI and cardiac CT. He specializes in advanced cardiac imaging and non-invasive cardiology, with expertise in structural echocardiography, cardiac MRI , and cardiac CT. -
![Professional headshot of a woman with dark curly hair, wearing a white blazer over a navy blue polka dot blouse, against a plain background.]()
Widian Hadi, MD
General and MIS Colon Surgery
Widian Hadi, MD is board certified in general surgery with advanced training in minimally invasive colon and rectal surgery. She completed a surgical residency training at Yale - New Haven Hospital and University of Vermont Medical Center, where she served as Chief Resident. She is fellowship-trained at Orlando Health and is a member of the American College of Surgeons and the American Society of Colon and Rectal.
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![A young woman with long black hair smiling, wearing a black blazer and white shirt against a plain light gray background.]()
Angela Kaza, MD
General and Bariatric Surgery
Angela Kaza, MD is double board certified in general and trauma surgery as well as obesity medicine. Dr. Kaza’s approach to care is rooted in innovation and expertise. She is at the forefront of providing minimally invasive surgical solutions for a range of medical conditions. Dr. Kaza is also a trusted partner in bariatric surgery in your journey towards a healthier and more vibrant life. -
![Fadi Rzouq, MD]()
Fadi Rzouq, MD
Gastroenterology, Hepatology, and Therapeutic Endoscopy
Dr. Rzouq is a board-certified gastroenterologist and advanced therapeutic endoscopist who specializes in the diagnosis and treatment of complex gastrointestinal, pancreatic, and liver diseases. Dr. Rzouq has performed over 30,000 esophagogastroduodenoscopies (EGDs) and colonoscopies, as well as several thousand Endoscopic Ultrasounds (EUS) and Endoscopic Retrograde Cholangiopancreatographies (ERCPs).
