The 20 Best Colonoscopy Doctors near Fullerton, CA
Find the Experts and Specialists who perform Colonoscopy
UCI Health H.H. Chao Comprehensive Digestive Disease Center
Jason Samarasena is a Gastroenterologist practicing medicine in Orange, California. Dr. Samarasena is rated as an Elite provider by MediFind in Colonoscopy. He is also highly rated in 53 other conditions, according to our data. His clinical expertise encompasses Barrett Esophagus, Jaundice, Gastroesophageal Reflux Disease (GERD), Endoscopy, and Colonoscopy.
Erika Hoyos is a Gastroenterologist practicing medicine in Fullerton, California. Dr. Hoyos is rated as an Experienced provider by MediFind in Colonoscopy. 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.
Scott Sainburg is a Gastroenterologist practicing medicine in Fullerton, California. Dr. Sainburg is rated as an Experienced provider by MediFind in Colonoscopy. 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.
Eugene Yoon is a Gastroenterologist practicing medicine in Fullerton, California. Dr. Yoon is rated as an Experienced provider by MediFind in Colonoscopy. 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 Colonoscopy. 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.
Sajen Mathews is a Gastroenterologist practicing medicine in Fullerton, California. Dr. Mathews is rated as an Experienced provider by MediFind in Colonoscopy. 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.
Patrick Koo is a Gastroenterologist practicing medicine in Fullerton, California. Dr. Koo is rated as an Experienced provider by MediFind in Colonoscopy. 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.
Office
Sonia Ramamoorthy is a Colorectal Surgeon practicing medicine in La Jolla, California. Dr. Ramamoorthy is rated as an Experienced provider by MediFind in Colonoscopy. She is also highly rated in 15 other conditions, according to our data. Her clinical expertise encompasses Colorectal Cancer, Anal Cancer, Familial Colorectal Cancer, Ileostomy, and Endoscopy.
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 Colonoscopy. 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.
Dr P G Rajan MD Inc
Ashokkumar Amin is a Gastroenterologist practicing medicine in Anaheim, California. Dr. Amin is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Gastrointestinal Bleeding, Swallowing Difficulty, Painful Swallowing, Gastrostomy, and Gastrectomy.
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 Colonoscopy. 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.
Imran Sharief, MD Private Practice
I seek to provide the most complete care to my patients in a caring and respectful way. Dr. Sharief is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Atypical Pneumonia, Hospital-Acquired Pneumonia, Pneumonia, Obstructive Sleep Apnea, and Colonoscopy. Dr. Sharief is board certified in Internal Medicine (Sub: Sleep Medicine). Dr. Sharief is currently accepting new patients.
Rajiv I Bhavsar MD A Med Corp
Rajiv Bhavsar is a primary care provider, practicing in Internal Medicine in Fullerton, California. He has been practicing medicine for over 42 years. Dr. Bhavsar is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Enlarged Liver, Acute Kidney Failure, Diverticular Disease, Gastrostomy, and Colonoscopy. Dr. Bhavsar is board certified in American Board Of Internal Medicine.
St. Jude Heritage Fullerton-Gastroenterology
Kumkum Patel is a Gastroenterologist practicing medicine in Fullerton, California. Dr. Patel is rated as an Experienced provider by MediFind in Colonoscopy. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Gastroesophageal Reflux Disease (GERD), Irritable Bowel Syndrome (IBS), Gastric Dysmotility, Endoscopy, and Colonoscopy.
Howard Pyo-Pyo Familly Clinic Inc.
Howard Pyo is a primary care provider, practicing in Family Medicine in Fullerton, California. He has been practicing medicine for over 10 years. Dr. Pyo is rated as an Experienced provider by MediFind in Colonoscopy. His clinical expertise encompasses Perianal Streptococcal Cellulitis, COVID-19, Multisystem Inflammatory Syndrome in Children (MIS-C), Endoscopy, and Gastrostomy. Dr. Pyo is board certified in American Board Of Family Medicine.
Chest And Critical Care Consultants
Min-min Mya is an Internal Medicine provider practicing medicine in Anaheim, California. She has been practicing medicine for over 32 years. Dr. Mya is rated as an Experienced provider by MediFind in Colonoscopy. Her clinical expertise encompasses Gallbladder Disease, Liver Failure, End-Stage Renal Disease (ESRD), Gastrostomy, and Colonoscopy. Dr. Mya is board certified in American Board Of Internal Medicine.
Chest And Critical Care Consultants
Hassan Ragab is a primary care provider, practicing in Internal Medicine in Anaheim, California. He has been practicing medicine for over 49 years. Dr. Ragab is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Ventricular Tachycardia, Sepsis, Pneumonia, Gastrostomy, and Colonoscopy. Dr. Ragab is board certified in American Board Of Internal Medicine.
Samir Azzam MD Inc
Samir Azzam is a primary care provider, practicing in Family Medicine in Anaheim, California. He has been practicing medicine for over 39 years. Dr. Azzam is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Sepsis, Pneumonia, Atypical Pneumonia, Gastrostomy, and Pacemaker Implantation. Dr. Azzam is board certified in American Board Of Family Medicine.
Archana Shende MD
Archana Shende is a primary care provider, practicing in Internal Medicine in Anaheim, California. She has been practicing medicine for over 42 years. Dr. Shende is rated as an Experienced provider by MediFind in Colonoscopy. She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Cirrhosis, Familial Combined Hyperlipidemia, Xanthoma, Gastrostomy, and Colonoscopy. Dr. Shende is board certified in American Board Of Internal Medicine.
Associated Gastroenterology
Kevin Kuettel is a Gastroenterologist practicing medicine in Anaheim, California. He has been practicing medicine for over 43 years. Dr. Kuettel is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Chronic Erosive Gastritis, Hiatal Hernia, Congenital Diaphragmatic Hernia, Gastrectomy, and Gastrostomy. Dr. Kuettel is board certified in American Board Of Internal Medicine.
Last Updated: 04/28/2026

