The 20 Best Colonoscopy Doctors near Tustin, CA
Find the Experts and Specialists who perform Colonoscopy
MediFind found 188 doctor with experience in Colonoscopy near Tustin, CA. Of these, 169 are Experienced, 17 are Advanced, 1 are Distinguished and 1 are Elite.
UCI Health H.H. Chao Comprehensive Digestive Disease Center
Jason Samarasena is a Gastroenterologist in Orange, California. Dr. Samarasena is rated as an Elite provider by MediFind in Colonoscopy. His top areas of expertise are Barrett Esophagus, Jaundice, Gastroesophageal Reflux Disease (GERD), Endoscopy, and Colonoscopy.
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. His top areas of expertise are Hospital-Acquired Pneumonia, Atypical Pneumonia, Pneumonia, Obstructive Sleep Apnea, and Colonoscopy.
Khaldoun Debian is a Gastroenterologist in Tustin, California. Dr. Debian is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Gardner Syndrome, Familial Adenomatous Polyposis, Turcot Syndrome, Endoscopy, and Gastrectomy. Dr. Debian is currently accepting new patients.
Office
Joseph Carmichael is a General Surgeon in Orange, California. Dr. Carmichael is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Colorectal Cancer, Familial Colorectal Cancer, Rectal Prolapse, Appendectomy, and Ileostomy.
Anita Gregory is a Colorectal Surgeon in Orange, California. Dr. Gregory is rated as an Experienced provider by MediFind in Colonoscopy. Her top areas of expertise are Familial Colorectal Cancer, Rectocele, Rectal Prolapse, Hernia Surgery, and Bladder Reconstruction. Dr. Gregory is currently accepting new patients.
UCI Health
Skandan Shanmugan is a General Surgeon in Orange, California. Dr. Shanmugan is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Familial Colorectal Cancer, Colorectal Cancer, Genital Warts, Hernia Surgery, and Ileostomy.
UCI Health
Steven Mills is a General Surgeon in Orange, California. Dr. Mills is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Ogilvie Syndrome, Familial Colorectal Cancer, Colorectal Cancer, Ileostomy, and Endoscopy.
Santa Ana Mammography
William Hsu is a primary care provider, practicing in Family Medicine in Santa Ana, California. Dr. Hsu is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Lung Nodules, Lung Cancer, Colorectal Polyps, Colonoscopy, and Endoscopy.
UCI Health H.H. Chao Comprehensive Digestive Disease Center
John Lee is a Gastroenterologist in Orange, California. Dr. Lee is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Jaundice, Pancreatic Pseudocyst, Pancreatic Cancer, Endoscopy, and Colonoscopy.
Sing L Tung M.D. A Professional Corporation
Essam Quraishi is a Gastroenterologist in Santa Ana, California. Dr. Quraishi is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Chronic Erosive Gastritis, Gastritis, Nonalcoholic Steatohepatitis (NASH), Gastrectomy, and Gastrostomy.
UCI Health
Nathan Park is a primary care provider, practicing in Internal Medicine in Orange, California. Dr. Park is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Scrotal Swelling, Testicular Cancer, Gastrointestinal Bleeding, Colonoscopy, and Endoscopy.
Uc Irvine Hospitalist Program
Erica Duh is a primary care provider, practicing in Internal Medicine in Orange, California. Dr. Duh is rated as an Advanced provider by MediFind in Colonoscopy. Her top areas of expertise are Colorectal Cancer, Kaposi Sarcoma, Diverticular Disease, Colonoscopy, and Endoscopy.
UCI Health
Kenneth Chang is a Gastroenterologist in Orange, California. Dr. Chang is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Hiatal Hernia, Gastroesophageal Reflux Disease (GERD), Barrett Esophagus, Endoscopy, and Colonoscopy.
Douglas Nguyen is a Gastroenterologist in Mission Viejo, California. Dr. Nguyen is rated as a Distinguished provider by MediFind in Colonoscopy. His top areas of expertise are Crohn's Disease, Ulcerative Colitis, Hemorrhagic Proctocolitis, Colonoscopy, and Endoscopy. Dr. Nguyen is currently accepting new patients.
Won K Yu MD
Won Yu is an Internal Medicine provider in Tustin, California. Dr. Yu has been practicing medicine for over 26 years and is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Indigestion, Pancreatic Pseudocyst, Familial Adenomatous Polyposis, Gastrectomy, and Gastrostomy.
Uc Irvine Health Medical Group-Tustin Fam Med
Fatima Malik is a Nephrologist in Tustin, California. Dr. Malik is rated as an Experienced provider by MediFind in Colonoscopy. Her top areas of expertise are Acute Kidney Failure, Chronic Kidney Disease, End-Stage Renal Disease (ESRD), Kidney Transplant, and Colonoscopy.
Uc Irvine Health Medical Group-Tustin Fam Med
Carlos Saad is a Gastroenterologist in Tustin, California. Dr. Saad is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Gastric Dysmotility, Gastroesophageal Reflux Disease (GERD), Visceromegaly, Celiac Disease, and Colonoscopy.
Altamed Medical And Dental Group-Santa Ana Main
Jeffrey Arroyo is a primary care provider, practicing in Family Medicine in Santa Ana, California. Dr. Arroyo is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Familial Colorectal Cancer, Osteomyelitis in Children, Type 2 Diabetes (T2D), Colonoscopy, and Endoscopy.
Genesis Healthcare Partners PC
Hardeep Singh is a Gastroenterologist in Orange, California. Dr. Singh has been practicing medicine for over 25 years and is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Barrett Esophagus, Esophageal Varices, Pancreatic Cancer, Gastrostomy, and Gastrectomy.
Genesis Healthcare Partners PC
James Lee is a Gastroenterologist in Orange, California. Dr. Lee has been practicing medicine for over 36 years and is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Gas Bloat Syndrome, Familial Adenomatous Polyposis, Gastroesophageal Reflux Disease (GERD), Gastrostomy, and Endoscopy.
Last Updated: 02/22/2026


