The 20 Best Ulcerative Colitis Doctors Near Me in rialto, CA
Find the Top Ulcerative Colitis Experts and Specialists
San Bernardino Gastroenterology Associates
George Saffouri is a Gastroenterologist practicing medicine in Rialto, California. Dr. Saffouri is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Hemorrhoids, Diverticular Disease, Chronic Erosive Gastritis, Endoscopy, and Colonoscopy. Dr. Saffouri is board certified in Internal Medicine (Sub: Gastroenterology) and Internal Medicine. Dr. Saffouri is currently accepting new patients.
Inland Empire Liver Foundation
Zeid Kayali is a Gastroenterologist practicing medicine in Rialto, California. Dr. Kayali is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Nonalcoholic Steatohepatitis (NASH), Hepatitis, Hepatitis C, Gastrostomy, and Endoscopy. Dr. Kayali is board certified in American Board Of Internal Medicine, Internal Medicine (Sub: Transplant Hepatology), Internal Medicine (Sub: Gastroenterology), and Internal Medicine. Dr. Kayali is currently accepting new patients.
San Bernardino Gastroenterology Associates, Inc.
Harold Paredes is a Gastroenterologist practicing medicine in Rialto, California. Dr. Paredes is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Gastrointestinal Bleeding, Gallstones, Jaundice, Endoscopy, and Gastrectomy. Dr. Paredes is board certified in American Board Of Internal Medicine, Internal Medicine (Sub: Gastroenterology), and Internal Medicine. Dr. Paredes is currently accepting new patients.
Duc Nguyen is a primary care provider, practicing in Internal Medicine in Fontana, California. Dr. Nguyen is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Osteomyelitis in Children, Type 2 Diabetes (T2D), High Cholesterol, and Autoerythrocyte Sensitivity.
Fontana Medical Center
Tommy Oei is a Gastroenterologist practicing medicine in Fontana, California. Dr. Oei is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. His clinical expertise encompasses Alcoholic Cirrhosis, Choledocholithiasis, Gallstones, Bile Duct Stricture, and Endoscopy. Dr. Oei is currently accepting new patients.
Fontana Medical Center
Kanchana Keerthipala is a primary care provider, practicing in Internal Medicine in Fontana, California. Dr. Keerthipala is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. Her clinical expertise encompasses Childhood Iron Deficiency Anemia, Iron Deficiency Anemia, Post-Splenectomy Syndrome, and Chronic Pain.
Fontana Medical Center
Edward Im is a primary care provider, practicing in Internal Medicine in Fontana, California. Dr. Im is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. His clinical expertise encompasses Childhood Iron Deficiency Anemia, Iron Deficiency Anemia, Maturity Onset Diabetes of the Young, and Type 2 Diabetes (T2D). Dr. Im is currently accepting new patients.
Fontana Medical Center
Long Nguyendo is a primary care provider, practicing in Internal Medicine in Fontana, California. He has been practicing medicine for over 17 years. Dr. Nguyendo is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. His clinical expertise encompasses Childhood Iron Deficiency Anemia, Iron Deficiency Anemia, Osteomyelitis in Children, and Obesity. Dr. Nguyendo is currently accepting new patients.
Fontana Medical Center
Alexander Han is a Gastroenterologist practicing medicine in Fontana, California. Dr. Han is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. His clinical expertise encompasses Esophageal Varices, Hemorrhoids, Banti's Syndrome, Mallory-Weiss Syndrome, and Endoscopy. Dr. Han is currently accepting new patients.
Fontana Medical Center
Tsung Tsai is a primary care provider, practicing in General Practice and Internal Medicine in Fontana, California. Dr. Tsai is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. His clinical expertise encompasses Acute Respiratory Distress Syndrome (ARDS), Childhood Iron Deficiency Anemia, Type 2 Diabetes (T2D), and Iron Deficiency Anemia.
Kaiser Permanente Fontana Medical Center
Thoyaja Koritala is a primary care provider, practicing in Internal Medicine in Fontana, California. She has been practicing medicine for over 18 years. Dr. Koritala is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses COVID-19, Sepsis, Necrosis, Endoscopy, and Colonoscopy. Dr. Koritala is currently accepting new patients.
Fontana Medical Center
Michael Chan is a Gastroenterologist practicing medicine in Fontana, California. Dr. Chan is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. His clinical expertise encompasses Mallory-Weiss Syndrome, Esophageal Varices, Bile Duct Obstruction, Bile Acid Malabsorption, and Endoscopy. Dr. Chan is currently accepting new patients.
Kaiser Permanente Fontana Medical Center - Gastroenterology Department
Zhigang Song is a Gastroenterologist practicing medicine in Fontana, California. Dr. Song is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. His clinical expertise encompasses Chronic Pancreatitis, Esophageal Varices, Hemorrhoids, Gallstones, and Endoscopy. Dr. Song is currently accepting new patients.
Kaiser Permanente Fontana Medical Center
Kevin Lee is a primary care provider, practicing in Internal Medicine in Fontana, California. Dr. Lee is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. His clinical expertise encompasses Bronchitis, Type 2 Diabetes (T2D), Opisthotonos, and Muscle Spasms.
Fontana Medical Center
Jeremy Wang is a Gastroenterologist practicing medicine in Fontana, California. Dr. Wang is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. His clinical expertise encompasses Painful Swallowing, Swallowing Difficulty, Trichohepatoenteric Syndrome, and Diarrhea. Dr. Wang is currently accepting new patients.
Kaiser Permanente Fontana Medical Center - Gastroenterology Department
Jessica Hong is a primary care provider, practicing in Internal Medicine in Fontana, California. Dr. Hong is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. Her clinical expertise encompasses Hepatitis B, Esophageal Varices, Banti's Syndrome, and Diverticular Disease. Dr. Hong is currently accepting new patients.
Kaiser Permanente Fontana Medical Center
Sena St. John is a primary care provider, practicing in Internal Medicine in Fontana, California. Dr. St. John is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Marginal Zone Lymphoma (MZL), Childhood Iron Deficiency Anemia, Iron Deficiency Anemia, and Type 2 Diabetes (T2D).
Fontana Medical Center
Timothy Kuo is a Gastroenterologist practicing medicine in Fontana, California. Dr. Kuo is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. His clinical expertise encompasses Bile Acid Malabsorption, Hemorrhoids, Visceromegaly, Alcoholic Cirrhosis, and Endoscopy. Dr. Kuo is currently accepting new patients.
Kaiser Permanente Fontana Medical Center - Internal Medicine Department
Terence Sonuga is a primary care provider, practicing in Internal Medicine in Fontana, California. Dr. Sonuga is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. His clinical expertise encompasses Childhood Iron Deficiency Anemia, Asthma, Iron Deficiency Anemia, and Asthma in Children. Dr. Sonuga is currently accepting new patients.
Fontana Medical Center
Robert Kung is a Gastroenterologist practicing medicine in Fontana, California. Dr. Kung is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. His clinical expertise encompasses Gastritis, Esophageal Varices, Alcoholic Cirrhosis, Hemorrhoids, and Endoscopy. Dr. Kung is currently accepting new patients.
Last Updated: 09/26/2026

