The 20 Best Colonoscopy Doctors near Garden Grove, 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.
Chaewon Song is a primary care provider, practicing in Internal Medicine in Garden Grove, California. Dr. Song is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 24 other conditions, according to our data. His clinical expertise encompasses Osteomyelitis in Children, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, Gastrostomy, and Colonoscopy.
UCI Health
Kenneth Chang is a Gastroenterologist practicing medicine in Orange, California. Dr. Chang is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Hiatal Hernia, Gastroesophageal Reflux Disease (GERD), Barrett Esophagus, Endoscopy, and Colonoscopy.
UCI Health
Skandan Shanmugan is a General Surgeon practicing medicine in Orange, California. Dr. Shanmugan 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 Familial Colorectal Cancer, Colorectal Cancer, Genital Warts, Hernia Surgery, and Ileostomy.
UCI Health
Steven Mills is a General Surgeon practicing medicine in Orange, California. Dr. Mills is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Ogilvie Syndrome, Familial Colorectal Cancer, Rectal Prolapse, Ileostomy, and Endoscopy.
Office
Joseph Carmichael is a General Surgeon practicing medicine in Orange, California. Dr. Carmichael is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Familial Colorectal Cancer, Colorectal Cancer, Rectal Prolapse, Appendectomy, and Ileostomy.
Anita Gregory is a Colorectal Surgeon practicing medicine in Orange, California. Dr. Gregory is rated as an Experienced provider by MediFind in Colonoscopy. She is also highly rated in 9 other conditions, according to our data. Her clinical expertise encompasses Familial Colorectal Cancer, Rectocele, Rectal Prolapse, Hernia Surgery, and Bladder Reconstruction. Dr. Gregory is currently accepting new patients.
Tam H. Le MD Inc.
Tam Le is a Colorectal Surgeon practicing medicine in Fountain Valley, California. Dr. Le is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 24 other conditions, according to our data. His clinical expertise encompasses Hernia, Familial Colorectal Cancer, Colorectal Cancer, Hemorrhoidectomy, and Hernia Surgery.
House Call Medical Associates Inc.
Dat Nguyen is a primary care provider, practicing in Internal Medicine in Garden Grove, California. Dr. Nguyen is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 26 other conditions, according to our data. His clinical expertise encompasses Sepsis, Stroke, Gastritis, Gastrostomy, and Endoscopy.
Digestive And Liver Disease Specialists
Syam Gaddam is a Gastroenterologist practicing medicine in Garden Grove, California. He has been practicing medicine for over 45 years. Dr. Gaddam 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 Hepatitis, Painful Swallowing, Swallowing Difficulty, Gastrostomy, and Gastrectomy. Dr. Gaddam is board certified in American Board Of Internal Medicine.
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. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses 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. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Colorectal Cancer, Kaposi Sarcoma, Diverticular Disease, Colonoscopy, and Endoscopy.
Long Phi Dang MD Inc
Long Dang is a Gastroenterologist practicing medicine in Westminster, California. He has been practicing medicine for over 33 years. Dr. Dang is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 57 other conditions, according to our data. His clinical expertise encompasses Chronic Erosive Gastritis, Gastritis, Gastrointestinal Bleeding, Gastrectomy, and Gastrostomy. Dr. Dang is board certified in American Board Of Gastroentrology.
Sing L Tung M.D. A Professional Corporation
Essam Quraishi is a Gastroenterologist practicing medicine in Santa Ana, California. Dr. Quraishi is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 45 other conditions, according to our data. His clinical expertise encompasses Chronic Erosive Gastritis, Gastritis, Nonalcoholic Steatohepatitis (NASH), Gastrectomy, and Gastrostomy.
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.
Ali Fouladi M.D. Inc.
Jonathan Warnelo is an Internal Medicine provider practicing medicine in Garden Grove, California. He has been practicing medicine for over 10 years. Dr. Warnelo is rated as an Experienced provider by MediFind in Colonoscopy. His clinical expertise encompasses Chronic Inflammatory Response Syndrome (CIRS), Gastrostomy, and Colonoscopy.
Tam K Nguyen Medical Professional Corp.
Tam Nguyen is a primary care provider, practicing in Hospital Medicine in Garden Grove, California. Dr. Nguyen is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Sepsis, Pneumonia, Type 2 Diabetes (T2D), Gastrostomy, and Colonoscopy.
Jason H Shin MD Inc Apmc
Jason Shin is an Internal Medicine specialist and a Gastroenterologist practicing medicine in Garden Grove, California. He has been practicing medicine for over 40 years. Dr. Shin 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 Menetrier Disease, Chronic Erosive Gastritis, Gastroesophageal Reflux Disease (GERD), Endoscopy, and Gastrectomy. Dr. Shin is board certified in American Board Of Internal Medicine.
Garden Grove Hospital And Medical Center
Jason Wiguna is a primary care provider, practicing in Family Medicine in Garden Grove, California. Dr. Wiguna is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Sepsis, Acute Tubular Necrosis, Dopamine Beta-Hydroxylase Deficiency, Gastrostomy, and Colonoscopy.
Quang Quoc Phan, MD
Quang Phan is a Gastroenterologist practicing medicine in Garden Grove, California. He has been practicing medicine for over 40 years. Dr. Phan is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Jaundice, Familial Adenomatous Polyposis, Hepatitis, Gastrostomy, and Endoscopy. Dr. Phan is board certified in American Board Of Internal Medicine.
Last Updated: 04/28/2026


