Dr. John Derek Caisip Clutario Internal Medicine Specialist – Subspecialist in Gastroenterology, Hepatology, & Digestive Diseases 📌 About Me Welcome! I am an Internal Medicine Specialist and Gastroenterologist. I specialize in keeping your digestive system healthy, preventing illness before it starts, and diagnosing or treating conditions affecting the stomach, liver, gallbladder, pancreas, and intestines. Whether you need routine preventive screening, long-term management for a chronic gut or liver condition, or an expert evaluation for sudden stomach discomfort, I am here to provide compassionate, clear, and comprehensive care tailored to your needs. 🩺 Conditions I Treat & Areas of Expertise 💛 Stomach, Acid & Swallowing Issues Acid Reflux / GERD & Chronic Heartburn Gastritis, Stomach Ulcers, & Abdominal Pain Bloating, Gas, & Indigestion (Dyspepsia) Difficulty Swallowing or Sensation of Food Sticking 💚 Liver, Gallbladder & Pancreas Care Fatty Liver Disease (NASH / NAFLD) Jaundice (Yellowing of skin or eyes) Abnormal Liver Enzymes / Elevated Liver Tests Gallstones & Gallbladder Inflammation Pancreatitis & Pancreatic Conditions Hepatitis (Viral, Alcohol-related, or Autoimmune) 💙 Bowel, Colon & Rectal Health Irritable Bowel Syndrome (IBS) & Chronic Diarrhea / Constipation Gastrointestinal Bleeding (Blood in stool or black/tarry stool) Hemorrhoids & Anorectal Discomfort Inflammatory Bowel Disease (Crohn’s Disease & Ulcerative Colitis) 🩸 Preventive Care & Cancer Screening Colon Cancer Screening & Polyp Removal Stomach Cancer Screening Comprehensive Adult Health Check-ups & Chronic Disease Prevention 🔬 Procedures Offered Upper GI Endoscopy (Gastroscopy) – Diagnostic inspection of the esophagus, stomach, and small bowel Colonoscopy – Screening and diagnostic examination of the large intestine and rectum Polypectomy – Safe, painless removal of precancerous polyps during endoscopy