The 20 Best Collagenous Colitis Doctors Near Me in Portland, OR

Find the Top Collagenous Colitis Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 56 doctor with experience in Collagenous Colitis near Portland, OR. Of these, 53 are Experienced and 3 are Advanced.

Location
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56 providers found
    Advanced in Collagenous Colitis
    Gastroenterology
    Advanced in Collagenous Colitis
    Gastroenterology
    Referral may be required
    19250 Southwest 90th Avenue, 
    Tualatin, OR 
    Languages Spoken:
    English
    Accepting New Patients

    Swapna Reddy is a Gastroenterologist practicing medicine in Tualatin, Oregon. Dr. Reddy is rated as an Advanced provider by MediFind in the treatment of Collagenous Colitis. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Collagenous Colitis, Crohn's Disease, Colitis, Familial Adenomatous Polyposis, and Endoscopy. Dr. Reddy is currently accepting new patients.

    Advanced in Collagenous Colitis
    Gastroenterology
    Advanced in Collagenous Colitis
    Gastroenterology
    Referral may be required
    9701 Southwest Barnes Road, Suite 300, 
    Portland, OR 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Elliot Joo is a Gastroenterologist practicing medicine in Portland, Oregon. Dr. Joo is rated as an Advanced provider by MediFind in the treatment of Collagenous Colitis. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Enlarged Liver, Familial Pancreatic Cancer, Pancreatic Cancer, Endoscopy, and Gastrectomy. Dr. Joo is currently accepting new patients.

    Experienced in Collagenous Colitis
    Gastroenterology
    Experienced in Collagenous Colitis
    Gastroenterology
    Referral may be required
    800 Southwest 13th Avenue, 
    Portland, OR 
    Languages Spoken:
    English
    Accepting New Patients

    Chris Hyun is a Gastroenterologist practicing medicine in Portland, Oregon. Dr. Hyun is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Familial Adenomatous Polyposis, Turcot Syndrome, Heartburn, and Gardner Syndrome. Dr. Hyun is currently accepting new patients.

    Learn about our expert tiers
    Experienced in Collagenous Colitis
    Gastroenterology
    Experienced in Collagenous Colitis
    Gastroenterology
    Referral may be required

    Centennial Gastroenterology Associates

    2510 NW Edenbower Blvd, Suite 112, 
    Roseburg, OR 
    Languages Spoken:
    English
    Accepting New Patients

    John Walker is a Gastroenterologist practicing medicine in Roseburg, Oregon. Dr. Walker is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Esophageal Varices, Familial Adenomatous Polyposis, Turcot Syndrome, Endoscopy, and Liver Embolization. Dr. Walker is currently accepting new patients.

    Experienced in Collagenous Colitis
    Gastroenterology
    Experienced in Collagenous Colitis
    Gastroenterology
    Referral may be required
    1111 Northeast 99th Avenue, Suite 301, 
    Portland, OR 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    James Regan is a Gastroenterologist practicing medicine in Portland, Oregon. Dr. Regan is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. His clinical expertise encompasses Bile Duct Obstruction, Painful Swallowing, Swallowing Difficulty, Endoscopy, and Gastrectomy. Dr. Regan is currently accepting new patients.

    Experienced in Collagenous Colitis
    Gastroenterology
    Experienced in Collagenous Colitis
    Gastroenterology
    Referral may be required
    9701 Southwest Barnes Road, Suite 300, 
    Portland, OR 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    David Grunkemeier is a Gastroenterologist practicing medicine in Portland, Oregon. Dr. Grunkemeier is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Crohn's Disease, Ulcerative Colitis, Familial Adenomatous Polyposis, Colonoscopy, and Gastrectomy. Dr. Grunkemeier is currently accepting new patients.

    Experienced in Collagenous Colitis
    Gastroenterology
    Experienced in Collagenous Colitis
    Gastroenterology
    Referral may be required
    9701 Southwest Barnes Road, Suite 300, 
    Portland, OR 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Sarah Rodriguez is a Gastroenterologist practicing medicine in Portland, Oregon. Dr. Rodriguez is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Cholestasis, Bile Duct Obstruction, Bile Duct Stricture, Endoscopy, and Gastrectomy. Dr. Rodriguez is currently accepting new patients.

    Experienced in Collagenous Colitis
    Internal Medicine | Gastroenterology
    Experienced in Collagenous Colitis
    Internal Medicine | Gastroenterology
    1111 Northeast 99th Avenue, Suite 301, 
    Portland, OR 
    Experience:
    18+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Rebecca Fausel is an Internal Medicine specialist and a Gastroenterologist practicing medicine in Portland, Oregon. She has been practicing medicine for over 18 years. Dr. Fausel is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. She is also highly rated in 3 other conditions, according to our data. Her clinical expertise encompasses Ulcerative Colitis, Crohn's Disease, Colitis, Colonoscopy, and Endoscopy. Dr. Fausel is currently accepting new patients.

    Experienced in Collagenous Colitis
    Gastroenterology
    Experienced in Collagenous Colitis
    Gastroenterology
    Referral may be required
    800 Southwest 13th Avenue, 
    Portland, OR 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Young Choi is a Gastroenterologist practicing medicine in Portland, Oregon. Dr. Choi is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Hemorrhoids, Familial Adenomatous Polyposis, Turcot Syndrome, Endoscopy, and Gastrectomy. Dr. Choi is currently accepting new patients.

    Advanced in Collagenous Colitis
    Internal Medicine
    Advanced in Collagenous Colitis
    Internal Medicine

    St. Charles Gastroenterology-Redmond

    1315 NW 4th St, 
    Redmond, OR 
    Languages Spoken:
    English
    Offers Telehealth

    Meghan Gilroy is an Internal Medicine provider practicing medicine in Redmond, Oregon. Dr. Gilroy is rated as an Advanced provider by MediFind in the treatment of Collagenous Colitis. She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Swallowing Difficulty, Painful Swallowing, Ulcerative Colitis, Endoscopy, and Colonoscopy.

    Experienced in Collagenous Colitis
    Gastroenterology
    Experienced in Collagenous Colitis
    Gastroenterology
    Referral may be required

    OHSU Hospital

    3181 SW Sam Jackson Park Rd, 
    Portland, OR 
    Languages Spoken:
    English
    Offers Telehealth

    Sarah Diamond is a Gastroenterologist practicing medicine in Portland, Oregon. Dr. Diamond is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. She is also highly rated in 3 other conditions, according to our data. Her clinical expertise encompasses Colitis, Achalasia, Gastroparesis, Endoscopy, and Gastrectomy.

    Experienced in Collagenous Colitis
    Gastroenterology
    Experienced in Collagenous Colitis
    Gastroenterology
    Referral may be required

    McKenzie-Willamette Medical Center

    1460 G St, 
    Springfield, OR 
    Languages Spoken:
    English

    Khola Qamar is a Gastroenterologist practicing medicine in Springfield, Oregon. Dr. Qamar is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Esophagitis, Crohn's Disease, Diarrhea, Colonoscopy, and Endoscopy.

    Experienced in Collagenous Colitis
    Gastroenterology
    Experienced in Collagenous Colitis
    Gastroenterology
    Referral may be required

    Legacy Medical Group-Gastroenterology At Mount Hood

    25050 SE Stark St Ste 250 Office, 
    Gresham, OR 
    Languages Spoken:
    English

    Sheeten Doshi is a Gastroenterologist practicing medicine in Gresham, Oregon. Dr. Doshi is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. He is also highly rated in 25 other conditions, according to our data. His clinical expertise encompasses Turcot Syndrome, Gardner Syndrome, Heartburn, Gastrectomy, and Endoscopy.

    Experienced in Collagenous Colitis
    Gastroenterology
    Experienced in Collagenous Colitis
    Gastroenterology
    Referral may be required

    The Oregon Clinic Gastroenterology East At Gateway

    1111 NE 99th Ave, 
    Portland, OR 
    Languages Spoken:
    English

    Debbie Cheng is a Gastroenterologist practicing medicine in Portland, Oregon. Dr. Cheng is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. Her clinical expertise encompasses Collagenous Colitis, Colitis, Viral Gastroenteritis, and Ulcerative Colitis.

    Experienced in Collagenous Colitis
    Internal Medicine
    Experienced in Collagenous Colitis
    Internal Medicine

    Creekside Family Medicine LLC

    2859 State St Ste 102, 
    Medford, OR 
    Languages Spoken:
    English

    Christopher Morgan is a primary care provider, practicing in Internal Medicine in Medford, Oregon. Dr. Morgan is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. His clinical expertise encompasses Type 2 Diabetes (T2D), Diabetic Neuropathy, Insomnia, and Peripheral Neuropathy.

    Experienced in Collagenous Colitis
    Family Medicine
    Experienced in Collagenous Colitis
    Family Medicine

    Bend Memorial Clinic LLP

    1501 NE Medical Center Dr, 
    Bend, OR 
    Languages Spoken:
    English

    Hans Russell is a primary care provider, practicing in Family Medicine in Bend, Oregon. Dr. Russell is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Familial Combined Hyperlipidemia, Xanthoma, Cirrhosis, and High Cholesterol.

    Experienced in Collagenous Colitis
    Gastroenterology
    Experienced in Collagenous Colitis
    Gastroenterology
    Referral may be required

    Gastroenterology Consultants PC

    2860 Creekside Cir, 
    Medford, OR 
    Languages Spoken:
    English

    Gregory Winters is a Gastroenterologist practicing medicine in Medford, Oregon. Dr. Winters is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Colitis, Alcoholic Cirrhosis, Familial Adenomatous Polyposis, Endoscopy, and Gastrostomy.

    Experienced in Collagenous Colitis
    Gastroenterology
    Experienced in Collagenous Colitis
    Gastroenterology
    Referral may be required

    Oregon Endoscopy Center LLC

    3355 Riverbend Dr Ste 510, 
    Springfield, OR 
    Languages Spoken:
    English
    Offers Telehealth

    Donald Yang is a Gastroenterologist practicing medicine in Springfield, Oregon. Dr. Yang is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. He is also highly rated in 29 other conditions, according to our data. His clinical expertise encompasses Gardner Syndrome, Hiatal Hernia, Congenital Diaphragmatic Hernia, Gastrectomy, and Endoscopy.

    Experienced in Collagenous Colitis
    Gastroenterology
    Experienced in Collagenous Colitis
    Gastroenterology
    Referral may be required

    Gastroenterology Consultants PC

    2860 Creekside Cir, 
    Medford, OR 
    Languages Spoken:
    English

    Kris Jacobson is a Gastroenterologist practicing medicine in Medford, Oregon. Dr. Jacobson is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Hepatitis, Hepatitis C, Anemia, Endoscopy, and Gastrostomy.

    Experienced in Collagenous Colitis
    Gastroenterology
    Experienced in Collagenous Colitis
    Gastroenterology
    Referral may be required

    McMinnville Internal Medicine

    254 NE Norton Ln, 
    Mcminnville, OR 
    Languages Spoken:
    English
    Offers Telehealth

    Nazmul Hoque is a Gastroenterologist practicing medicine in Mcminnville, Oregon. Dr. Hoque is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. He is also highly rated in 22 other conditions, according to our data. His clinical expertise encompasses Familial Adenomatous Polyposis, Colitis, Viral Gastroenteritis, Endoscopy, and Colonoscopy.

    Showing 1-20 of 56

    Last Updated: 04/28/2026

    When should I see a Collagenous Colitis doctor near Portland, OR?

    There are various reasons why you may want to see a specialist, such as: 

    • Your primary care provider recommends it. 
    • Your condition requires expert knowledge and specialized care. 
    • Your symptoms persist or worsen despite treatment. 
    • You need specialized testing or procedures. 
    • You want a second opinion.  

    What should I consider when choosing a Collagenous Colitis doctor near Portland, OR?

    It’s important to see a provider with expertise in your specific condition. Each provider profile in MediFind’s doctor database includes information on which conditions they treat, years of experience, research contributions, languages spoken, insurance plans accepted, and more.  

    How does MediFind rank Collagenous Colitis doctors near Portland, OR?

    MediFind’s rankings are based on a variety of data sources, such as the number of articles a doctor has published in medical journals, participation in clinical trials and industry conferences, as well as the number of patients that provider sees for a given condition. Note that MediFind’s provider database is not based on user reviews, and providers do not pay to be included in the database. 

    What types of insurance are accepted by Collagenous Colitis doctors near Portland, OR?

    Most profiles in MediFind’s doctor database include a list of insurance plans accepted by that provider. However, it’s a good idea to contact the provider’s office to make sure they still accept your insurance, then doublecheck by contacting your insurance plan to confirm they’re in network. 

    How can I book an appointment online with a Collagenous Colitis doctor near Portland, OR?

    MediFind offers direct scheduling for certain providers using the “Request Appointment” button on that provider’s profile. If the schedule option is not available for a provider, tap the red “Show Phone Number” button on their profile to get their contact information. If you prefer to find providers who offer online scheduling, select “Schedules online” under the “Availability” category of the filter feature on the left side of the Collagenous Colitis doctor search results page. 

    Why is it important to get a second opinion from a different Collagenous Colitis doctor?

    Second opinions are an opportunity to confirm a diagnosis and its root cause, learn about alternative treatment options, or simply gain peace of mind. Many people, especially those with serious diagnoses, get second opinions so they can understand all their options and make informed decisions, so don’t hesitate to get one if you have any doubts or need more information or clarification regarding your care. Note that some insurance plans require second opinions, while others don’t cover second opinions, so be sure to confirm with your insurance provider first.   

    How can I prepare for my appointment with a Collagenous Colitis doctor near Portland, OR?

    Prepare for your appointment by gathering the following items: 

    • Copies of medical records (dating back at least one year) 
    • Your medical history, including illnesses, medical conditions, surgeries, and other doctors you see 
    • Family history of disease 
    • List of current prescription drugs, over-the-counter medicines, vitamins, and herbal remedies or supplements including names and doses 
    • Allergies to medications, food, latex, insects, etc.  
    • List of questions and concerns 
    • Your insurance card 

    You might also contact the provider’s office to see if they offer transportation or childcare services or if you’re allowed to bring a loved one for support or to take notes during your visit. 

    What questions should I ask my Collagenous Colitis doctor?

    Here are some sample questions: 

    • Can you explain in simple terms what this condition is and how it’s treated? 
    • What symptoms or side effects should I watch for? 
    • What tests will be involved, and when can I expect results? 
    • Are there other specialists I need to see? 
    • What’s the best way to reach you if I have follow-up questions? 

    How can I learn about the latest clinical trials and research advances my Collagenous Colitis doctor may know about?

    MediFind’s Clinical Trials tool asks you a series of questions to help you narrow down your search by health condition, age, gender, location, how far you’re willing to travel, and more. Each question you answer filters down the number of trials until you find the ones that are most relevant to you. 

    MediFind’s Latest Advances tool features summaries of recent articles published in medical journals. We use cutting-edge technology to scour medical publication databases for the latest research advancements on any given condition, then we simplify this information in a way that’s useful and easy to understand. 

    Can I filter my search to show male or female Collagenous Colitis doctors near Portland, OR?

    Look for the filter feature on the left side of the Collagenous Colitis doctor search results page. Select “Female” or “Male” under the “Gender” category to search for female or male providers exclusively. If the “Any” option is selected, it will pull results for both male and female providers. 

    Can I filter my search to find a Collagenous Colitis doctor that offers video calls?

    Look for the filter feature on the left-side of the Collagenous Colitis doctor search results page. Select “Offers telehealth visits” under the Availability category to search for providers who offer virtual appointments (video calls). 

    Reviewed on: 11/11/24  

    By: MediFind Medical Staff 

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