MediFind found 507 doctor with experience in Diarrhea near Fullerton, CA. Of these, 479 are Experienced, 26 are Advanced and 2 are Distinguished.
St. Jude Heritage Brea-Primary Care Suite 110
Robert Ranney is a primary care provider, practicing in Family Medicine in Brea, California. Dr. Ranney is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Infant Hyperglycemia, High Cholesterol, West Nile Virus Infection, and Osteomyelitis in Children.
Associated Gastroenterology
Dennis Riff is an Internal Medicine specialist and a Gastroenterologist in Anaheim, California. Dr. Riff has been practicing medicine for over 55 years and is rated as an Advanced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Helicobacter Pylori Infection, Campylobacter Infection, Gastroesophageal Reflux Disease (GERD), Gastrostomy, and Gastrectomy.
Associated Gastroenterology
Brian Riff is an Internal Medicine specialist and a Gastroenterologist in Anaheim, California. Dr. Riff has been practicing medicine for over 17 years and is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Chronic Erosive Gastritis, Campylobacter Infection, Gastrostomy, and Gastrectomy.
Digestive And Liver Disease Specialists
Ravindra Alapati is an Internal Medicine specialist and a Gastroenterologist in Anaheim, California. Dr. Alapati has been practicing medicine for over 45 years and is rated as an Advanced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Visceromegaly, Bile Duct Obstruction, Diverticular Disease, Gastrostomy, and Gastrectomy.
Sajen Mathews is a Gastroenterologist in Fullerton, California. Dr. Mathews is rated as an Advanced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Gastric Dysmotility, Diverticular Disease, Benign Esophageal Stricture, Endoscopy, and Gastrostomy.
Scott Sainburg is a Gastroenterologist in Fullerton, California. Dr. Sainburg is rated as an Advanced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Benign Esophageal Stricture, Lower Esophageal Ring, Swallowing Difficulty, Endoscopy, and Gastrectomy. Dr. Sainburg is currently accepting new patients.
Erika Hoyos is a Gastroenterologist in Fullerton, California. Dr. Hoyos is rated as an Advanced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Hemorrhoids, Intestinal Cancer, Chronic Erosive Gastritis, Endoscopy, and Gastrectomy. Dr. Hoyos is currently accepting new patients.
Choice Health Network
Dr. Leila Yoonessi is a pediatric pulmonologist practicing in Long Beach, CA. She practices pediatric pulmonology and general pediatrics. Dr. Yoonessi holds a BA in psychobiology with a minor in religious studies from Occidental College. She graduated cum laude and was awarded a psychobiology departmental award for her academic achievements. She then studied at the University of Southern California where she earned Master's in Public Health with a concentration in health care promotion. She went on to complete her medical degree at New York Medical College. She relocated to California to rejoin her family where she completed her pediatric residency at Los Angeles County University Southern California. She is currently a board certified pediatrician who has several research interests. Publications include Progression and Prognostic Indicators of Bronchial and Alveolar Disease in Children with Sickle Cell Disease, and Environmental factors contributing to lung function and growth velocity decline in Sickle Cell Disease.Above all, she remains committed to patient advocacy, research, integrative work, medicine, preventive medicine, holistic health, and non-profit work. Dr Yoonessi enjoys horseback riding, hiking with her 2 Shiba Inus and camping for fun. Dr Yoonessi Jr. is overjoyed to be working alongside her mother who has always been dedicated to evidence based medicine, charity work, and community outreach projects!. Dr. Yoonessi is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Obesity in Children, Conjunctivitis with Pseudomembrane, Roseola, and Diarrhea.
Caduceus Medical Group
Dennis Ponzio is a primary care provider, practicing in Pediatrics and Family Medicine in Yorba Linda, California. Dr. Ponzio has been practicing medicine for over 38 years and is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are High Cholesterol, Hypertension, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension.
Oc Urgent Care Medical Group
Nahla Salem is a primary care provider, practicing in Family Medicine in Orange, California. Dr. Salem has been practicing medicine for over 21 years and is rated as a Distinguished provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Acute Cystitis, Otitis, Cellulitis, and Urinary Tract Infection in Children.
Arun Patel is a primary care provider, practicing in Internal Medicine in Fullerton, California. Dr. Patel is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Maturity Onset Diabetes of the Young, Neuralgia, Vertigo, Endoscopy, and Gastrostomy.
St. Jude Heritage Fullerton-Gastroenterology
Kumkum Patel is a Gastroenterologist in Fullerton, California. Dr. Patel is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Gastroesophageal Reflux Disease (GERD), Irritable Bowel Syndrome (IBS), Gastric Dysmotility, Endoscopy, and Colonoscopy.
National Ambulatory Hernia Institute
Martin Carr is a Gastroenterologist in Fullerton, California. Dr. Carr is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Neuroendocrine Tumor, Gas Bloat Syndrome, Visceromegaly, and Enlarged Liver.
Associated Gastroenterology
Kevin Kuettel is a Gastroenterologist in Anaheim, California. Dr. Kuettel has been practicing medicine for over 43 years and is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Chronic Erosive Gastritis, Hiatal Hernia, Congenital Diaphragmatic Hernia, Gastrectomy, and Gastrostomy.
Ambika Bali MD Inc
Ambika Bali is a Gastroenterologist in Anaheim, California. Dr. Bali has been practicing medicine for over 52 years and is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Hemorrhoids, Menetrier Disease, Heartburn, Gastrectomy, and Colonoscopy.
AHMC Anaheim Regional Medical Center
Lakeisha Cox is a primary care provider, practicing in Family Medicine in Anaheim, California. Dr. Cox is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Lymphangitis, Glucocorticoid-Remediable Aldosteronism, Hypertension, and Familial Hypertension.
Associated Gastroenterology Medical Group
Kavita Singh is a Gastroenterologist in Anaheim, California. Dr. Singh is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Familial Adenomatous Polyposis, Gardner Syndrome, Turcot Syndrome, Endoscopy, and Colonoscopy.
Dr P G Rajan MD Inc
Ashokkumar Amin is a Gastroenterologist in Anaheim, California. Dr. Amin is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Gastrointestinal Bleeding, Swallowing Difficulty, Painful Swallowing, Gastrostomy, and Gastrectomy.
Anaheim Cardiology Medical Group, Inc.
Reza Dolouei is a primary care provider, practicing in Family Medicine and Geriatrics in Anaheim, California. Dr. Dolouei has been practicing medicine for over 22 years and is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Sepsis, Dysgraphia, Glucocorticoid-Remediable Aldosteronism, Gastrostomy, and Colonoscopy.
Digestive And Liver Disease Specialists
Amit Raina is a Gastroenterologist in Anaheim, California. Dr. Raina has been practicing medicine for over 27 years and is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Bile Duct Obstruction, Childhood Pancreatitis, Cholestasis, Endoscopy, and Gastrostomy.
Last Updated: 02/22/2026


