Dr. Christian J. is a highly experienced board-certified gastroenterologist with nearly two decades of clinical, academic, and leadership experience. He currently serves as Chief of Gastroenterology at the VA Loma Linda Healthcare System in California, where he has led transformative initiatives in patient care, program development, and physician education. During his tenure, Dr. Christian J. has expanded clinical services, increased procedural and outpatient productivity, and established multiple specialized programs in areas such as small bowel disease, pancreatobiliary disorders, motility, inflammatory bowel disease, and gastrointestinal bleeding. He is also an affiliate faculty member with the University of California, Riverside and Loma Linda University Gastroenterology Fellowship programs, contributing to the education and mentorship of future gastroenterologists. Dr. Christian J. has extensive experience working alongside nurse practitioners and other advanced practice providers, both in one-on-one supervision and in group settings. He has designed and implemented multiple clinical training and practice programs for nurse practitioners, combining evidence-based medical standards with hands-on procedural learning. His collaborative approach has helped build cohesive, high-performing clinical teams focused on patient-centered outcomes. Areas of Expertise: • Gastroenterology & Digestive Health • Hospital-Based Medicine & Urgent Care • Weight Management & Nutritional Therapy • Intravenous Fluid, Iron, and Nutrition Management • Clinical Program Development & Leadership • Advanced Endoscopy & GI Procedures • Academic Teaching & Mentorship Philosophy of Collaboration: Dr. Christian J. believes in mutual respect, shared knowledge, and interdisciplinary teamwork as the foundation for optimal patient care. He views nurse practitioners as essential partners in delivering high-quality, accessible medicine and emphasizes a collegial, educational, and empowering environment where all team members can excel. His philosophy centers on building trust, enhancing skills, and fostering growth—ensuring that collaborative care remains effective, rewarding, and patient-focused.

Board Certifications

Board Certified in Gastroenterology