Rosemary Nustas, MD

Meet Rosemary Nustas, MD

Bridging Academic Innovation and Compassionate Digestive Care in Northeast Texas

Dr. Rosemary Nustas is a board-certified gastroenterologist providing expert care at the CHRISTUS Trinity Clinic in Sulphur Springs. After earning her medical degree from the University of Jordan, she honed her clinical skills through a rigorous residency at Baylor University Medical Center in Dallas and a prestigious fellowship at the Emory University School of Medicine. Dr. Nustas is dedicated to bringing world-class, research-driven gastroenterology to the local community, ensuring that patients in Northeast Texas have access to advanced diagnostic care without extensive travel.

Career at a Glance

• 10+ Years of Experience: A decade of specialized expertise in adult medicine and complex digestive health.
• Double Board-Certified: Diplomate of the American Board of Internal Medicine in both Gastroenterology and Internal Medicine.
• Academic Contributor: Author of 15 peer-reviewed publications with over 100 citations in leading medical journals.

Clinical Role and Leadership

Dr. Nustas serves as a key specialist within the CHRISTUS Trinity Clinic Multispecialty facility in Sulphur Springs. She provides specialized care for conditions such as:

• Inflammatory Bowel Disease (Crohn’s Disease and Ulcerative Colitis)
• Barrett’s Esophagus and Chronic GERD
• Non-Alcoholic Fatty Liver Disease (NAFLD)
• Pancreatitis and Biliary Disorders
• Colorectal Polyps and Cancer Screening
• Swallowing Difficulties (Dysphagia)
• Chronic Gastritis and Peptic Ulcer Disease

What You Can Expect from Care with Dr. Nustas

Dr. Nustas believes that the most effective medical treatment is rooted in a seamless, long-term relationship between the patient and physician. Her approach combines high-level diagnostic accuracy with a bedside manner that emphasizes patient empowerment. You can expect:

• Focus on Continuity: A commitment to long-term care management rather than isolated procedures.
• Preventive Priority: Aggressive screening strategies for early colorectal and gastric cancer detection.
• Inclusive Care: An environment that respects and welcomes patients of all ethnicities and backgrounds.
• Evidence-Based Strategy: Treatment plans informed by the latest clinical research and national guidelines.

Advanced Diagnostic Care

Utilizing the advanced technology available at CHRISTUS Health, Dr. Nustas performs high-precision procedures designed to provide definitive answers. Her technical expertise includes diagnostic and therapeutic esophagogastroduodenoscopy (EGD), colonoscopy with polypectomy, and flexible sigmoidoscopy.

Research, Clinical Insight, and Thought Leadership

Dr. Nustas is a prolific contributor to the global medical community, with research published in Surgical Endoscopy and Clinical Gastroenterology and Hepatology. Her groundbreaking work includes a massive analysis of over 200,000 cases to identify predictors of lymph node metastasis in gastric cancer, a study that directly guides surgical decision-making for minimally invasive resections. She also participated in a prestigious 36-center North American alliance characterizing the gastrointestinal impacts of COVID-19 to improve patient risk stratification during the pandemic.

Commitment to Public Health and Health Equity

She is a strong proponent of public health initiatives focused on colorectal cancer prevention, emphasizing that early screening is one of the most powerful tools to improve community health outcomes in Northeast Texas.

Education and Certifications

• Medical School: University of Jordan Faculty of Medicine, Amman, Jordan
• Residency: Internal Medicine, Baylor University Medical Center, Dallas, TX
• Fellowship: Gastroenterology and Hepatology, Emory University School of Medicine, Atlanta, GA
• Board Certification: Gastroenterology and Internal Medicine, American Board of Internal Medicine