The 20 Best Diarrhea Doctors Near Me in Placentia, CA
Find the Top Diarrhea Experts and Specialists
Caduceus Medical Group
Dennis Ponzio is a primary care provider, practicing in Pediatrics and Family Medicine in Yorba Linda, California. He has been practicing medicine for over 38 years. Dr. Ponzio is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His clinical expertise encompasses High Cholesterol, Familial Hypertension, Hypertension, and Glucocorticoid-Remediable Aldosteronism. Dr. Ponzio is board certified in American Board Of Family Medicine.
Sajen Mathews is a Gastroenterologist practicing medicine in Fullerton, California. Dr. Mathews is rated as an Advanced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Gastric Dysmotility, Diverticular Disease, Benign Esophageal Stricture, Endoscopy, and Gastrostomy.
Scott Sainburg is a Gastroenterologist practicing medicine in Fullerton, California. Dr. Sainburg is rated as an Advanced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Benign Esophageal Stricture, Lower Esophageal Ring, Painful Swallowing, Endoscopy, and Gastrectomy. Dr. Sainburg is currently accepting new patients.
Erika Hoyos is a Gastroenterologist practicing medicine in Fullerton, California. Dr. Hoyos is rated as an Advanced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 15 other conditions, according to our data. Her clinical expertise encompasses Hemorrhoids, Intestinal Cancer, Chronic Erosive Gastritis, Endoscopy, and Gastrectomy. Dr. Hoyos is currently accepting new patients.
Eugene Yoon is a Gastroenterologist practicing medicine in Fullerton, California. Dr. Yoon is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 27 other conditions, according to our data. His clinical expertise encompasses Choledocholithiasis, Angiodysplasia of the Colon, Ascites, Endoscopy, and Gastrostomy. Dr. Yoon is currently accepting new patients.
Hyder Jamal is a Gastroenterologist practicing medicine in Fullerton, California. Dr. Jamal is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 26 other conditions, according to our data. His clinical expertise encompasses Diverticular Disease, Familial Adenomatous Polyposis, Barrett Esophagus, Endoscopy, and Gastrostomy. Dr. Jamal is currently accepting new patients.
Patrick Koo is a Gastroenterologist practicing medicine in Fullerton, California. Dr. Koo is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Gastrointestinal Bleeding, Hemorrhoids, Familial Adenomatous Polyposis, Endoscopy, and Gastrectomy. Dr. Koo is currently accepting new patients.
Yee Miao is a Gastroenterologist practicing medicine in Fullerton, California. Dr. Miao is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Jaundice, Hepatitis B, Hepatitis, and Gastroesophageal Reflux Disease (GERD). Dr. Miao is currently accepting new patients.
Caduceus Medical Group-Yorba Linda Suite 250
Michael Hall is a primary care provider, practicing in Family Medicine in Yorba Linda, California. Dr. Hall is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Bronchiolitis Obliterans, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, and Hypertension.
Caduceus Physicians Medical Group
Olesya Brissey is a primary care provider, practicing in Internal Medicine in Yorba Linda, California. She has been practicing medicine for over 34 years. Dr. Brissey is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her clinical expertise encompasses High Cholesterol, Hypertension, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension. Dr. Brissey is board certified in American Board Of Internal Medicine.
Associated Gastroenterology
Dennis Riff is an Internal Medicine specialist and a Gastroenterologist practicing medicine in Anaheim, California. He has been practicing medicine for over 55 years. Dr. Riff is rated as an Advanced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 21 other conditions, according to our data. His clinical expertise encompasses Helicobacter Pylori Infection, Campylobacter Infection, Gastroesophageal Reflux Disease (GERD), Gastrostomy, and Gastrectomy. Dr. Riff is board certified in American Board Of Internal Medicine.
Associated Gastroenterology
Brian Riff is an Internal Medicine specialist and a Gastroenterologist practicing medicine in Anaheim, California. He has been practicing medicine for over 17 years. Dr. Riff is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 30 other conditions, according to our data. His clinical expertise encompasses Gastroesophageal Reflux Disease (GERD), Chronic Erosive Gastritis, Campylobacter Infection, Gastrostomy, and Gastrectomy. Dr. Riff is board certified in American Board Of Internal Medicine.
Digestive And Liver Disease Specialists
Ravindra Alapati is an Internal Medicine specialist and a Gastroenterologist practicing medicine in Anaheim, California. He has been practicing medicine for over 45 years. Dr. Alapati is rated as an Advanced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 40 other conditions, according to our data. His clinical expertise encompasses Visceromegaly, Bile Duct Obstruction, Diverticular Disease, Gastrostomy, and Gastrectomy. Dr. Alapati is board certified in American Board Of Internal Medicine.
Michael Wang is a Pediatric Gastroenterologist practicing medicine in Orange, California. Dr. Wang is rated as an Advanced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Eosinophilic Esophagitis, Trichohepatoenteric Syndrome, Diarrhea, and Celiac Disease. Dr. Wang is currently accepting new patients.
Oc Urgent Care Medical Group
Nahla Salem is a primary care provider, practicing in Family Medicine in Orange, California. She has been practicing medicine for over 21 years. Dr. Salem is rated as a Distinguished provider by MediFind in the treatment of Diarrhea. She is also highly rated in 218 other conditions, according to our data. Her clinical expertise encompasses Acute Cystitis, Otitis, Cellulitis, and Urinary Tract Infection in Children. Dr. Salem is board certified in American Board Of Family Medicine.
Don Garcia, MD Inc
Don Garcia is a primary care provider, practicing in Family Medicine in Placentia, California. He has been practicing medicine for over 45 years. Dr. Garcia is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 26 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, High Cholesterol, and Cirrhosis. Dr. Garcia is board certified in American Board Of Family Medicine.
Secure Health Medical Group Inc
Shahla Sadighian is a primary care provider, practicing in Internal Medicine in Placentia, California. She has been practicing medicine for over 46 years. Dr. Sadighian is rated as an Experienced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Cirrhosis, Familial Combined Hyperlipidemia, Xanthoma, and POEMS Syndrome. Dr. Sadighian is board certified in American Board Of Internal Medicine.
The Internal Medical Group
David Chapman is a Gastroenterologist practicing medicine in Placentia, California. He has been practicing medicine for over 51 years. Dr. Chapman is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Diverticular Disease, Swallowing Difficulty, Painful Swallowing, Colonoscopy, and Gastrectomy. Dr. Chapman is board certified in American Board Of Internal Medicine.
First Choice Physician Partners
Keith Martin is a Gastroenterologist practicing medicine in Yorba Linda, California. He has been practicing medicine for over 52 years. Dr. Martin is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Gastroesophageal Reflux Disease (GERD), Diverticular Disease, Hemorrhoids, Endoscopy, and Gastrectomy. Dr. Martin is board certified in American Board Of Internal Medicine.
Kaiser Permanente Anaheim Kraemer Medical Offices
Sharon Kim is a Gastroenterologist practicing medicine in Anaheim, California. Dr. Kim is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her clinical expertise encompasses Hemorrhoids, Trichohepatoenteric Syndrome, Diarrhea, and Gastroesophageal Reflux Disease (GERD). Dr. Kim is currently accepting new patients.
Last Updated: 04/28/2026



