MediFind found 442 doctor with experience in Colonoscopy near South Pasadena, CA. Of these, 373 are Experienced, 65 are Advanced and 3 are Distinguished.
Magdi Alexander, MD FACS
Magdi Grant Alexander is board certified by the American Board of Surgery and has been practicing the full breadth of general surgery for over 30 years. He is considered one of the top surgeons in the region. Dr. Alexander has been an integral member of the surgical teaching faculty at Huntington Hospital/Cedars Siani Affiliate for the past 26 years. He has been active in administrative positions and is currently the Chairman of the Department of Surgery at USC Arcadia. Formerly, he was the Chairman of Credentials and General Surgery section Chair at Huntington as well as being a current permanent member of the Quality Management Department at Huntington Hospital/Cedars Sinai Aff. He is also the former Section Chief of General / Vascular Surgery/ Thoracic divisions at Methodist Hospital. Dr. Alexander is a fellow of the American College of Surgeons and a member of the Society for Gastro Endoscopic Surgeons (SAGES). His wide surgical focus involves expertise in Robotic Surgery, Advanced Laparoscopic surgery, General Surgery, Colorectal Surgery, Vascular surgery, and Oncological surgery. Dr. Alexander has received multiple acknowledgements from national and regional medical associations: including the coveted Surgical Teaching Faculty Award, Regional Physician of the Year Award, Pasadena Top Doctor, America’s Top Surgeon Award, and the Patient’s Choice Award 5-year honoree. His philosophy on surgical care can is cutting edge and interactive, designed for optimum success. Dr. Alexander is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Hernia, Retroperitoneal Inflammation, Ogilvie Syndrome, Hernia Surgery, and Gallbladder Removal.
USC Care Medical Group Inc
Kyle Cologne is a Colorectal Surgeon in Los Angeles, California. Dr. Cologne is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Gastrointestinal Fistula, Rectal Prolapse, Hemorrhoids, Colostomy, and Hemorrhoidectomy.
City Of Hope Medical Foundation
Aaron Lewis is a Surgical Oncologist and a General Surgeon in South Pasadena, California. Dr. Lewis has been practicing medicine for over 17 years and is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Colorectal Cancer, Familial Colorectal Cancer, Stomach Cancer, Pancreatectomy, and Small Bowel Resection.
City Of Hope Medical Foundation
Marwan Fakih is an Oncologist and a Hematologist Oncology provider in South Pasadena, California. Dr. Fakih is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Colorectal Cancer, Anal Cancer, Familial Colorectal Cancer, Endoscopy, and Colonoscopy.
City Of Hope Medical Foundation
Tanya Dorff is an Oncologist and a Hematologist Oncology provider in South Pasadena, California. Dr. Dorff is rated as an Experienced provider by MediFind in Colonoscopy. Her top areas of expertise are Prostate Cancer, Penile Cancer, Familial Prostate Cancer, Prostatectomy, and Penectomy.
The Regents Of The University Of California
Dorcas Chi is a Hematologist Oncology specialist and an Oncologist in Pasadena, California. Dr. Chi is rated as an Experienced provider by MediFind in Colonoscopy. Her top areas of expertise are Inflammatory Breast Cancer, Paget Disease of the Breast, Breast Cancer, Angiosarcoma, and Colonoscopy.
City Of Hope Medical Foundation
James Lin is a Gastroenterologist in South Pasadena, California. Dr. Lin is rated as a Distinguished provider by MediFind in Colonoscopy. His top areas of expertise are Stomach Cancer, Bile Duct Stricture, Bile Duct Obstruction, Colonoscopy, and Mastoidectomy.
City Of Hope Medical Foundation
Gregory Idos is a Gastroenterologist in South Pasadena, California. Dr. Idos is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Colorectal Cancer, DICER1 Syndrome, Familial Colorectal Cancer, Colonoscopy, and Endoscopy.
Genesis Healthcare Partners PC
Julie Yang is a Gastroenterologist in Pasadena, California. Dr. Yang is rated as an Advanced provider by MediFind in Colonoscopy. Her top areas of expertise are Gastrointestinal Bleeding, Gas Bloat Syndrome, Gastric Dysmotility, Colonoscopy, and Gastrectomy.
Genesis Healthcare Partners PC
Sassan Soltani is a Gastroenterologist in Pasadena, California. Dr. Soltani is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Irritable Bowel Syndrome (IBS), Bile Duct Obstruction, Colonoscopy, and Endoscopy.
Genesis Healthcare Partners PC
Peter Rosenberg is a Gastroenterologist in Pasadena, California. Dr. Rosenberg is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Irritable Bowel Syndrome (IBS), Gas Bloat Syndrome, Intestinal Cancer, Endoscopy, and Colonoscopy.
Robert Siew is a primary care provider, practicing in Internal Medicine in Pasadena, California. Dr. Siew is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Pneumonia, Urinary Tract Infection in Children, Urinary Tract Infection (UTI), Endoscopy, and Gastrostomy.
Bosheng Qiu is a Gastroenterologist in Alhambra, California. Dr. Qiu is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Hereditary Pancreatitis, Acute Pancreatitis, Childhood Pancreatitis, Gastrostomy, and Colonoscopy.
Ngo Phan MD Inc
Ngo Phan is a primary care provider, practicing in Family Medicine in Alhambra, California. Dr. Phan is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Pneumonia, Sepsis, Acute Kidney Failure, Gastrostomy, and Colonoscopy.
Kelvin Yeh is a Gastroenterologist in Alhambra, California. Dr. Yeh is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Indigestion, Hemorrhoids, Painful Swallowing, Gastrostomy, and Endoscopy.
Tai Wu is a primary care provider, practicing in Internal Medicine in San Gabriel, California. Dr. Wu is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Necrosis, Hypertensive Heart Disease, Pneumonia, Colonoscopy, and Gastrostomy.
Zetan Nie is a primary care provider, practicing in Internal Medicine in Monterey Park, California. Dr. Nie has been practicing medicine for over 43 years and is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Ogilvie Syndrome, Cellulitis, Sepsis, Colonoscopy, and Gastrostomy.
Chia Lai is a Gastroenterologist in Monterey Park, California. Dr. Lai is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Chronic Erosive Gastritis, Gastrointestinal Bleeding, Anemia, Colonoscopy, and Gastrostomy.
Ning Li is a Holistic Medicine provider in Monterey Park, California. Ms. Li is rated as an Advanced provider by MediFind in Colonoscopy. Her top areas of expertise are Pulmonary Fibrosis, Gastroesophageal Junction Cancer, Lung Nodules, Endoscopy, and Microvascular Decompression.
Chester Zahn is a Gastroenterologist in San Gabriel, California. Dr. Zahn is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Gastroparesis, Indigestion, Gastrostomy, and Gastrectomy.
Last Updated: 10/30/2025

