MediFind found 37 doctor with experience in Collagenous Colitis near Portland, OR. Of these, 34 are Experienced and 3 are Advanced.
The Oregon Clinic, PC
Glenn Eisen is a Gastroenterologist in Portland, Oregon. Dr. Eisen is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. His top areas of expertise are Barrett Esophagus, Gastrointestinal Bleeding, Angiodysplasia of the Colon, Colonoscopy, and Endoscopy. Dr. Eisen is currently accepting new patients.
Legacy Meridian Park Hospital
Colene Andersen is a primary care provider, practicing in Internal Medicine in Lake Oswego, Oregon. Dr. Andersen is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. Her top areas of expertise are Neuroendocrine Tumor, Familial Combined Hyperlipidemia, Xanthoma, and Cirrhosis. Dr. Andersen is currently accepting new patients.
Amnon Sonnenberg is a Gastroenterologist in Portland, Oregon. Dr. Sonnenberg is rated as an Advanced provider by MediFind in the treatment of Collagenous Colitis. His top areas of expertise are Helicobacter Pylori Infection, Gastritis, Viral Gastroenteritis, Endoscopy, and Colonoscopy.
Elliot Joo is a Gastroenterologist in Portland, Oregon. Dr. Joo is rated as an Advanced provider by MediFind in the treatment of Collagenous Colitis. His top areas of expertise are Visceromegaly, Pancreatic Cancer, Familial Pancreatic Cancer, Endoscopy, and Gastrectomy. Dr. Joo is currently accepting new patients.
University Professional Services
Sarah Diamond is a Gastroenterologist in Portland, Oregon. Dr. Diamond is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. Her top areas of expertise are Colitis, Gastroparesis, Achalasia, Endoscopy, and Colonoscopy. Dr. Diamond is currently accepting new patients.
University Professional Services
Elisa Boden is a Gastroenterologist in Portland, Oregon. Dr. Boden is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. Her top areas of expertise are Crohn's Disease, Ulcerative Colitis, Colitis, Endoscopy, and Gastrectomy. Dr. Boden is currently accepting new patients.
Lily Cranor is a primary care provider, practicing in Family Medicine in Portland, Oregon. Dr. Cranor is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. Her top areas of expertise are Collagenous Colitis, Type 2 Diabetes (T2D), and Maturity Onset Diabetes of the Young. Dr. Cranor is currently accepting new patients.
Theodore Tollivoro is a Gastroenterologist in Portland, Oregon. Dr. Tollivoro is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. His top areas of expertise are Acute Pancreatitis, Intestinal Cancer, Childhood Pancreatitis, Gastrectomy, and Colonoscopy.
Albert Khine is a Gastroenterologist in Portland, Oregon. Dr. Khine is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. His top areas of expertise are Familial Adenomatous Polyposis, Gardner Syndrome, Turcot Syndrome, and Hemorrhoids. Dr. Khine is currently accepting new patients.
Chris Hyun is a Gastroenterologist in Portland, Oregon. Dr. Hyun is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. His top areas of expertise are Familial Adenomatous Polyposis, Turcot Syndrome, Heartburn, and Gardner Syndrome. Dr. Hyun is currently accepting new patients.
Young Choi is a Gastroenterologist in Portland, Oregon. Dr. Choi is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. His top areas of expertise are Hemorrhoids, Familial Adenomatous Polyposis, Turcot Syndrome, Diverticular Disease, and Endoscopy. Dr. Choi is currently accepting new patients.
Legacy Emanuel Hospital And Health Center
Jane Ware is a primary care provider, practicing in Internal Medicine in Portland, Oregon. Dr. Ware is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. Her top areas of expertise are Musculocontractural Ehlers-Danlos Syndrome (mcEDS), Ehlers-Danlos Syndrome (EDS), Mast Cell Activation Syndrome (MCAS), and Meige Disease. Dr. Ware is currently accepting new patients.
Legacy Emanuel Hospital And Health Center
Nicole Weksler is a primary care provider, practicing in Internal Medicine in Portland, Oregon. Dr. Weksler is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. Her top areas of expertise are Granulomatosis with Polyangiitis, Necrotizing Vasculitis, Insomnia, and Sitosterolemia. Dr. Weksler is currently accepting new patients.
Housecall Providers PC
Pamela Miner is a primary care provider, practicing in Internal Medicine in Portland, Oregon. Dr. Miner is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. Her top areas of expertise are Malnutrition, Short Bowel Syndrome, Small Bowel Bacterial Overgrowth, and Alcoholic Neuropathy. Dr. Miner is currently accepting new patients.
Amy Schmitt is a primary care provider, practicing in Internal Medicine in Portland, Oregon. Dr. Schmitt is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. Her top areas of expertise are Peptic Ulcer, Hypertensive Heart Disease, Necrosis, Sepsis, and Hip Replacement. Dr. Schmitt is currently accepting new patients.
The Oregon Clinic, PC
Sarah Rodriguez is a Gastroenterologist in Portland, Oregon. Dr. Rodriguez is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. Her top areas of expertise are Cholestasis, Bile Duct Obstruction, Bile Duct Stricture, Endoscopy, and Gastrectomy.
David Grunkemeier is a Gastroenterologist in Portland, Oregon. Dr. Grunkemeier is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. His top areas of expertise are Crohn's Disease, Ulcerative Colitis, Familial Adenomatous Polyposis, Colonoscopy, and Gastrectomy. Dr. Grunkemeier is currently accepting new patients.
Diane Williams is a Gastroenterologist in Portland, Oregon. Dr. Williams is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. Her top areas of expertise are Ulcerative Colitis, Familial Adenomatous Polyposis, Painful Swallowing, Swallowing Difficulty, and Gastrectomy.
Providence Health And Services Oregon
Anne Breitinger is a Gastroenterologist in Milwaukie, Oregon. Dr. Breitinger is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. Her top areas of expertise are Familial Adenomatous Polyposis, Trichohepatoenteric Syndrome, Diarrhea, Gastrectomy, and Endoscopy.
James Regan is a Gastroenterologist in Portland, Oregon. Dr. Regan is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. His top areas of expertise are Bile Duct Obstruction, Painful Swallowing, Swallowing Difficulty, Endoscopy, and Gastrectomy. Dr. Regan is currently accepting new patients.
Last Updated: 10/30/2025