The 20 Best Gastrointestinal Bleeding Doctors Near Me in Fontana, CA
Find the Top Gastrointestinal Bleeding Experts and Specialists
The 20 Best Gastrointestinal Bleeding Doctors near Fontana, CA
MediFind found 160 doctor with experience in Gastrointestinal Bleeding near Fontana, CA. Of these, 129 are Experienced, 28 are Advanced and 3 are Distinguished.
San Bernardino Gastroenterology Associates
George Saffouri is a Gastroenterologist in Rialto, California. Dr. Saffouri is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Hemorrhoids, Diverticular Disease, Chronic Erosive Gastritis, Endoscopy, and Colonoscopy. Dr. Saffouri is currently accepting new patients.
San Bernardino Gastroenterology Associates, Inc.
Victor Guharoy is a Gastroenterologist in Rialto, California. Dr. Guharoy has been practicing medicine for over 12 years and is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Gastrointestinal Bleeding, Hemorrhoids, Diverticular Disease, Acute Pancreatitis, and Gastrectomy.
Arrowhead Regional Medical Center
Farbod Farmand is a primary care provider, practicing in Nephrologist in Colton, California. Dr. Farmand has been practicing medicine for over 18 years and is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Sepsis, End-Stage Renal Disease (ESRD), Gastrointestinal Bleeding, Gastrostomy, and Endoscopy.
Arrowhead Regional Medical Center
Timothy Yaopruke is a primary care provider, practicing in Internal Medicine in Colton, California. Dr. Yaopruke is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Sepsis, Maturity Onset Diabetes of the Young, Anemia, and Type 2 Diabetes (T2D).
Arrowhead Regional Medical Center
Kambiz Raoufi is a primary care provider, practicing in Internal Medicine in Colton, California. Dr. Raoufi is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Sepsis, Acute Kidney Failure, Gastrointestinal Bleeding, Gastrostomy, and Endoscopy.
Arrowhead Regional Medical Center
Gilbert Chen is a primary care provider, practicing in Internal Medicine in Colton, California. Dr. Chen is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Sepsis, Chronic Inflammatory Response Syndrome (CIRS), Acute Kidney Failure, and Maturity Onset Diabetes of the Young.
Arrowhead Regional Medical Center
Daniel Chang is a primary care provider, practicing in Internal Medicine in Colton, California. Dr. Chang is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Sepsis, Maturity Onset Diabetes of the Young, Gastrointestinal Bleeding, and Acute Kidney Failure.
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 Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. Her top areas of expertise are Diverticular Disease, Familial Adenomatous Polyposis, Gastritis, Gastrectomy, and Endoscopy.
Carlos R. Vigil DO A Professional Corp.
Hussein Abidali is a Gastroenterologist in Rancho Cucamonga, California. Dr. Abidali is rated as a Distinguished provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Gastrointestinal Bleeding, Hiatal Hernia, Congenital Diaphragmatic Hernia, Endoscopy, and Gastrostomy.
Andro Sharobiem, MD
Andro Sharobiem is a primary care provider, practicing in Internal Medicine in Riverside, California. Dr. Sharobiem is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Sepsis, Hypertension, Glucocorticoid-Remediable Aldosteronism, Gastrostomy, and Colonoscopy. Dr. Sharobiem is currently accepting new patients.
Fontana Medical Center
Syed Yusuf is a primary care provider, practicing in Internal Medicine in Fontana, California. Dr. Yusuf is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Gastrointestinal Bleeding, Pneumonia, Atypical Pneumonia, Endoscopy, and Colonoscopy.
Fontana Medical Center
Patricia Hsia is a Gastroenterologist in Fontana, California. Dr. Hsia is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. Her top areas of expertise are Hemorrhoids, Gastrointestinal Bleeding, Banti's Syndrome, Alcoholic Cirrhosis, and Endoscopy. Dr. Hsia is currently accepting new patients.
Kaiser Permanente Fontana Medical Center - Acute Care-Med/Surg Department
David Chen is a primary care provider, practicing in Internal Medicine in Fontana, California. Dr. Chen is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Childhood Volvulus, Necrosis, Gastrointestinal Bleeding, and Osteomyelitis in Children. Dr. Chen is currently accepting new patients.
Fontana Medical Center
Wubanche Zellalem is a primary care provider, practicing in Internal Medicine in Fontana, California. Dr. Zellalem has been practicing medicine for over 17 years and is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. Her top areas of expertise are Sepsis, Hospital-Acquired Pneumonia, Atypical Pneumonia, Gastrointestinal Bleeding, and Endoscopy. Dr. Zellalem is currently accepting new patients.
Fontana Medical Center
Rowena Mak is a Pediatrics specialist and a Hospital Medicine provider in Fontana, California. Dr. Mak is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. Her top areas of expertise are Gastrointestinal Bleeding, Osteomyelitis in Children, Endoscopy, and Bone Marrow Aspiration. Dr. Mak is currently accepting new patients.
Fontana Medical Center
Alexander Han is a Gastroenterologist in Fontana, California. Dr. Han is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Esophageal Varices, Hemorrhoids, Banti's Syndrome, Mallory-Weiss Syndrome, and Endoscopy. Dr. Han is currently accepting new patients.
Fontana Medical Center
Maria Sarria is a primary care provider, practicing in Internal Medicine in Fontana, California. Dr. Sarria is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. Her top areas of expertise are Sepsis, Gastrointestinal Bleeding, Endoscopy, and Bone Marrow Aspiration. Dr. Sarria is currently accepting new patients.
Fontana Medical Center
Pooneh Esfahani is a primary care provider, practicing in Internal Medicine in Fontana, California. Dr. Esfahani is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. Her top areas of expertise are Sepsis, Type 2 Diabetes (T2D), Osteomyelitis in Children, Endoscopy, and Gastrostomy. Dr. Esfahani is currently accepting new patients.
Kaiser Permanente Fontana Medical Center
Jenny Abouelsood is a primary care provider, practicing in Family Medicine in Fontana, California. Dr. Abouelsood is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. Her top areas of expertise are Sepsis, Gastrointestinal Bleeding, and Endoscopy.
Southern California Permanente Medical Group
Michael Chang is a Pediatrics provider in Fontana, California. Dr. Chang is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Viral Gastroenteritis, Obesity in Children, Autism Spectrum Disorder, Pancreaticoduodenectomy, and Endoscopy.
Last Updated: 02/22/2026


