GERD & Acid Reflux
Gastroesophageal reflux disease (GERD) affects 20% of American adults. Chronic heartburn, regurgitation, and chest pain can be managed effectively with the right diagnosis and treatment plan.
Learn More →Barrett's Esophagus
A condition where the esophageal lining changes due to chronic acid reflux. Barrett's esophagus requires surveillance endoscopy to monitor for dysplasia and reduce the risk of esophageal cancer.
Learn More →Dysphagia (Swallowing Disorders)
Difficulty swallowing affects up to 15% of adults and can involve food sticking, pain while swallowing, or inability to swallow. Proper evaluation identifies treatable causes from strictures to motility disorders.
Learn More →Eosinophilic Esophagitis (EoE)
A chronic immune-mediated condition causing inflammation of the esophagus. Increasingly common, EoE causes difficulty swallowing and food impaction, especially in younger adults.
Learn More →Gastroparesis
Delayed stomach emptying causes nausea, vomiting, bloating, and early fullness. Often associated with diabetes, post-surgical complications, or idiopathic causes.
Learn More →Peptic Ulcer Disease
Open sores in the lining of the stomach or upper small intestine affecting approximately 4 million Americans annually. Caused primarily by H. pylori infection or NSAID use.
Learn More →H. Pylori Infection
Helicobacter pylori infects the stomach lining of approximately 35% of the U.S. population. This bacterial infection is a leading cause of ulcers and increases gastric cancer risk.
Learn More →Celiac Disease
An autoimmune condition triggered by gluten that damages the small intestine lining. Affects approximately 1 in 100 people worldwide, though many remain undiagnosed.
Learn More →Small Intestinal Bacterial Overgrowth (SIBO)
An excess of bacteria in the small intestine causing bloating, gas, diarrhea, and malabsorption. Often underdiagnosed, SIBO can mimic IBS symptoms and requires targeted antibiotic therapy.
Learn More →Crohn's Disease
A chronic inflammatory bowel disease that can affect any part of the GI tract. Approximately 500,000 Americans live with Crohn's disease, requiring ongoing management with medications including biologics.
Learn More →Ulcerative Colitis
A chronic inflammatory condition of the colon and rectum affecting approximately 900,000 Americans. Symptoms include bloody diarrhea, urgency, and abdominal cramping.
Learn More →Irritable Bowel Syndrome (IBS)
A functional GI disorder affecting 10-15% of the global population. Causes abdominal pain, bloating, and altered bowel habits. Effective treatment requires accurate diagnosis and a personalized approach.
Learn More →Colorectal Cancer
The 3rd most common cancer in the United States — but highly preventable with screening colonoscopy. Early detection through polyp removal can prevent cancer from developing.
Learn More →Colon Polyps
Growths on the inner lining of the colon that can develop into cancer over time. Found in up to 40% of adults over 50, polyps are detected and removed during screening colonoscopy.
Learn More →Diverticulitis
Inflammation or infection of small pouches (diverticula) that form in the walls of the colon. Affects approximately 200,000 Americans annually and can range from mild episodes to complications requiring intervention.
Learn More →Microscopic Colitis
A cause of chronic, watery diarrhea where the colon appears normal during colonoscopy but biopsies reveal inflammation. Most common in adults over 60 and women.
Learn More →C. Difficile Infection
Clostridioides difficile causes severe diarrhea and colitis, often following antibiotic use. C. diff causes nearly 500,000 infections and 29,000 deaths annually in the United States.
Learn More →Hemorrhoids
Swollen blood vessels in the rectum or anus causing bleeding, itching, and discomfort. Affecting 75% of adults at some point, hemorrhoids range from mild irritation to conditions requiring in-office treatment.
Learn More →Anal Fissures
Small tears in the lining of the anus causing sharp pain and bleeding during bowel movements. While common and often caused by constipation, chronic fissures may require specialized treatment.
Learn More →Fatty Liver Disease (NAFLD/MASLD)
Non-alcoholic fatty liver disease affects 25-30% of American adults — and rates are rising. FibroScan technology allows non-invasive assessment of liver fat and fibrosis without biopsy.
Learn More →Hepatitis B & C
Viral hepatitis can cause chronic liver inflammation leading to cirrhosis and liver cancer. Hepatitis C is now curable with direct-acting antiviral medications achieving cure rates above 95%.
Learn More →Cirrhosis
Advanced scarring of the liver from chronic liver disease. Cirrhosis affects over 600,000 Americans and requires careful management to prevent complications including variceal bleeding and liver failure.
Learn More →Gallstones & Gallbladder Disease
Hardened deposits in the gallbladder affect 10-15% of American adults. Gallstones can cause sudden, severe abdominal pain and may lead to complications requiring urgent evaluation.
Learn More →Pancreatitis
Inflammation of the pancreas that can be acute or chronic, causing severe abdominal pain. Over 275,000 hospitalizations for acute pancreatitis occur annually in the United States.
Learn More →Don't Wait to Get Answers
If something doesn't feel right, trust that feeling. Dr. Jaison John takes the time to listen, evaluate, and explain — so you know exactly what's happening and what to do about it.