The 20 Best Diverticular Disease Doctors Near Me in Fontana, CA
Find the Top Diverticular Disease Experts and Specialists
San Bernardino Gastroenterology Associates
George Saffouri is a Gastroenterologist practicing medicine in Rialto, California. Dr. Saffouri is rated as an Advanced provider by MediFind in the treatment of Diverticular Disease. 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 and Internal Medicine (Sub: Gastroenterology). Dr. Saffouri is currently accepting new patients.
Fontana Medical Center
Jeffrey Karst is a Radiologist and an Interventional Radiologist practicing medicine in Fontana, California. Dr. Karst is rated as an Advanced provider by MediFind in the treatment of Diverticular Disease. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Small Cell Lung Cancer (SCLC), Lung Cancer, Ascites, Stent Placement, and Transmyocardial Revascularization. Dr. Karst is currently accepting new patients.
Kaiser Permanente Fontana Medical Center
Raphael Alford is a Pediatric Radiologist practicing medicine in Fontana, California. Dr. Alford is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Visceromegaly, Ascites, Gallbladder Disease, and Pleural Effusion.
Fontana Medical Center
Robert Yuhan is a Colorectal Surgeon practicing medicine in Fontana, California. Dr. Yuhan is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. His clinical expertise encompasses Retroperitoneal Inflammation, Gallbladder Disease, Ogilvie Syndrome, Familial Colorectal Cancer, and Colostomy. Dr. Yuhan is currently accepting new patients.
Fontana Medical Center
Joseph Ruan is a General Surgeon and a Colorectal Surgeon practicing medicine in Fontana, California. Dr. Ruan is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. His clinical expertise encompasses Rectal Prolapse, Retroperitoneal Inflammation, Ogilvie Syndrome, Familial Colorectal Cancer, and Colostomy. Dr. Ruan is currently accepting new patients.
Kaiser Permanente Fontana Medical Center
David Chang is a Radiologist practicing medicine in Fontana, California. Dr. Chang is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. His clinical expertise encompasses Progressive Familial Intrahepatic Cholestasis Type 1, Progressive Familial Intrahepatic Cholestasis Type 2, Progressive Familial Intrahepatic Cholestasis Type 3, and Visceromegaly.
Arrowhead Regional Medical Center
James Kim is a Radiologist practicing medicine in Colton, California. Dr. Kim is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Gallbladder Disease, Vertigo, Visceromegaly, Pleurisy, and Bone Marrow Aspiration.
Arrowhead Regional Medical Center
David Underwood is a Radiologist practicing medicine in Colton, California. Dr. Underwood is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Pleurisy, Pleural Effusion, Bronchogenic Cyst, Bone Marrow Aspiration, and Endoscopy.
Arrowhead Regional Medical Center
Ha Le is a Radiologist practicing medicine in Colton, California. Dr. Le is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses CAPOS Syndrome, Gallbladder Disease, Aseptic and Alopecic Nodules of Scalp (AANS), and Stroke.
Andrea S Tieng MD, Inc
Dr. Andrea Tieng was born and raised in New York City. She graduated Summa Cum Laude from the City University of New York and completed her medical degree at the State University of New York Health Science Center at the SUNY Downstate College of Medicine in Brooklyn, New York.Her internship and residency in Internal Medicine was completed at the Albert Einstein College of Medicine at Long Island Jewish Medical Center in New Hyde Park, New York, where she also fulfilled her Gastroenterology and Hepatology Fellowship.Board Certified by the American Board of Internal Medicine, Dr. Tieng is licensed to practice in both California and New York. She is a member of the American College of Gastroenterology and the American Gastroenterology Association.Prior to founding her own practice in Redlands and San Bernardino, Dr. Tieng worked as a private gastroenterologist at Cedars-Sinai Medical Center in Los Angeles.Dr. Tieng specializes in providing sensitive and compassionate care to women, and delivers personalized care to all patients 18 years and older. Dr. Tieng is a board certified physician who treats patients with gastrointestinal illnesses and liver diseases. She utilizes innovative technology to perform diagnostic and therapeutic procedures of the gastrointestinal tract, including colonoscopy and upper endoscopy. Dr. Tieng is rated as an Advanced provider by MediFind in the treatment of Diverticular Disease. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Diverticular Disease, Familial Adenomatous Polyposis, Gastritis, Gastrectomy, and Endoscopy. Dr. Tieng is board certified in Internal Medicine. Dr. Tieng is currently accepting new patients.
San Bernardino Gastroenterology Associates, Inc.
Victor Guharoy is a Gastroenterologist practicing medicine in Rialto, California. He has been practicing medicine for over 12 years. Dr. Guharoy is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Gastrointestinal Bleeding, Hemorrhoids, Diverticular Disease, Acute Pancreatitis, and Gastrectomy. Dr. Guharoy is board certified in American Board Of Internal Medicine.
Office
Thomas Lin is a Radiologist practicing medicine in Rancho Cucamonga, California. Dr. Lin is rated as an Advanced provider by MediFind in the treatment of Diverticular Disease. He is also highly rated in 39 other conditions, according to our data. His clinical expertise encompasses Gallbladder Disease, Visceromegaly, Non-Alcoholic Fatty Liver Disease, and Hepatocerebral Degeneration.
Riverside Community Hospital
Donald Massee is a Radiologist practicing medicine in Riverside, California. Dr. Massee is rated as an Advanced provider by MediFind in the treatment of Diverticular Disease. He is also highly rated in 20 other conditions, according to our data. His clinical expertise encompasses Non-Alcoholic Fatty Liver Disease, Visceromegaly, Gallbladder Disease, and Angiomyoma.
Online Radiology Medical Group Inc.
Jason Lue is a Radiologist practicing medicine in Riverside, California. Dr. Lue is rated as a Distinguished provider by MediFind in the treatment of Diverticular Disease. He is also highly rated in 37 other conditions, according to our data. His clinical expertise encompasses Pleurisy, Pleural Effusion, Biliary Dyskinesia, Gallbladder Disease, and Bone Marrow Aspiration.
Online Radiology Medical Group Inc.
Peter Piampiano is a Radiologist practicing medicine in Riverside, California. Dr. Piampiano is rated as a Distinguished provider by MediFind in the treatment of Diverticular Disease. He is also highly rated in 51 other conditions, according to our data. His clinical expertise encompasses Gallbladder Disease, Visceromegaly, Diverticular Disease, and Fecal Impaction.
Fontana Medical Center
Blanca Viramontes is a Gastroenterologist practicing medicine in Fontana, California. Dr. Viramontes is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. Her clinical expertise encompasses Hemorrhoids, Diverticular Disease, Banti's Syndrome, Esophageal Varices, and Endoscopy.
Southern California Permanente Medical Group
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 Diverticular Disease. Her clinical expertise encompasses Hepatitis B, Esophageal Varices, Banti's Syndrome, and Diverticular Disease.
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 Diverticular Disease. 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
Patricia Hsia is a Gastroenterologist practicing medicine in Fontana, California. Dr. Hsia is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. Her clinical expertise encompasses Hemorrhoids, Gastrointestinal Bleeding, Banti's Syndrome, Alcoholic Cirrhosis, and Endoscopy. Dr. Hsia 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 Diverticular Disease. His clinical expertise encompasses Mallory-Weiss Syndrome, Esophageal Varices, Bile Duct Obstruction, Bile Acid Malabsorption, and Endoscopy. Dr. Chan is currently accepting new patients.
Last Updated: 04/28/2026


