The 20 Best Colitis Doctors Near Me in Portland, OR

Find the Top Colitis Experts and Specialists

The 20 Best Colitis Doctors near Portland, OR

Last Updated: 02/22/2026

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MediFind found 141 doctor with experience in Colitis near Portland, OR. Of these, 134 are Experienced, 5 are Advanced and 2 are Distinguished.

Location
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141 providers found
    Distinguished in Colitis

    Dr. Sarah Diamond
    Gastroenterology
    Distinguished in Colitis

    Dr. Sarah Diamond
    Gastroenterology

    OHSU Hospital

    3181 SW Sam Jackson Park Rd, 
    Portland, OR 
     (1.3 miles away)
    503-494-8311
    Languages Spoken:
    English
    See accepted insurances
    Offers Telehealth

    Sarah Diamond is a Gastroenterologist in Portland, Oregon. Dr. Diamond is rated as a Distinguished provider by MediFind in the treatment of Colitis. Her top areas of expertise are Colitis, Achalasia, Gastroparesis, Endoscopy, and Gastrectomy.

    Advanced in Colitis

    Dr. Vassiliki Tsikitis
    General Surgery
    Advanced in Colitis

    Dr. Vassiliki Tsikitis
    General Surgery

    OHSU Hospital

    3181 SW Sam Jackson Park Rd, 
    Portland, OR 
     (1.3 miles away)
    503-494-1424
    Languages Spoken:
    English
    See accepted insurances
    Offers Telehealth

    Vassiliki Tsikitis is a General Surgeon in Portland, Oregon. Dr. Tsikitis is rated as an Advanced provider by MediFind in the treatment of Colitis. Her top areas of expertise are Crohn's Disease, Familial Colorectal Cancer, Colorectal Cancer, Hernia Surgery, and Colonoscopy.

    Distinguished in Colitis

    Dr. Amnon Sonnenberg
    Gastroenterology
    Distinguished in Colitis

    Dr. Amnon Sonnenberg
    Gastroenterology

    Office

    3710 SW US Veterans Hospital Rd, 
    Portland, OR 
     (1.3 miles away)
    503-220-8262
    Languages Spoken:
    English
    See accepted insurances

    Amnon Sonnenberg is a Gastroenterologist in Portland, Oregon. Dr. Sonnenberg is rated as a Distinguished provider by MediFind in the treatment of Colitis. His top areas of expertise are Helicobacter Pylori Infection, Gastritis, Viral Gastroenteritis, Endoscopy, and Colonoscopy.

    Learn about our expert tiers
    Experienced in Colitis

    Dr. Daniel Herzig
    Colorectal Surgery
    Experienced in Colitis

    Dr. Daniel Herzig
    Colorectal Surgery

    OHSU Hospital

    3181 SW Sam Jackson Park Rd, 
    Portland, OR 
     (1.3 miles away)
    503-494-8372
    Languages Spoken:
    English
    See accepted insurances
    Offers Telehealth

    Daniel Herzig is a Colorectal Surgeon in Portland, Oregon. Dr. Herzig is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Anal Cancer, Colorectal Cancer, Familial Colorectal Cancer, Hernia Surgery, and Colostomy.

    Experienced in Colitis

    Dr. Sandy Fang
    General Surgery
    Experienced in Colitis

    Dr. Sandy Fang
    General Surgery

    OHSU Hospital

    3181 SW Sam Jackson Park Rd, 
    Portland, OR 
     (1.3 miles away)
    503-494-8311
    Languages Spoken:
    English
    See accepted insurances
    Offers Telehealth

    Sandy Fang is a General Surgeon in Portland, Oregon. Dr. Fang is rated as an Experienced provider by MediFind in the treatment of Colitis. Her top areas of expertise are Anal Cancer, Colorectal Cancer, Familial Colorectal Cancer, Ileostomy, and Ureteroscopy.

    Experienced in Colitis

    Dr. Andy Barnett
    Family Medicine
    Experienced in Colitis

    Dr. Andy Barnett
    Family Medicine

    OHSU Hospital

    3181 SW Sam Jackson Park Rd, 
    Portland, OR 
     (1.3 miles away)
    503-494-8311
    Languages Spoken:
    English
    See accepted insurances

    Andy Barnett is a Family Medicine provider in Portland, Oregon. Dr. Barnett is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Morning Sickness, Inappropriate Sinus Tachycardia (IST), Respiratory Syncytial Virus (RSV) Infection, and Trichohepatoenteric Syndrome.

    Experienced in Colitis

    Dr. Chris B. Hyun
    Gastroenterology
    Experienced in Colitis

    Dr. Chris B. Hyun
    Gastroenterology
    800 Southwest 13th Avenue, 
    Portland, OR 
     (1.6 miles away)
    503-221-0161
    Languages Spoken:
    English
    See accepted insurances
    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 Colitis. His top areas of expertise are Familial Adenomatous Polyposis, Turcot Syndrome, Heartburn, and Gardner Syndrome. Dr. Hyun is currently accepting new patients.

    Experienced in Colitis

    Dr. Young K. Choi
    Gastroenterology
    Experienced in Colitis

    Dr. Young K. Choi
    Gastroenterology
    800 Southwest 13th Avenue, 
    Portland, OR 
     (1.6 miles away)
    503-221-0161
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Young Choi is a Gastroenterologist in Portland, Oregon. Dr. Choi is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Hemorrhoids, Familial Adenomatous Polyposis, Turcot Syndrome, Endoscopy, and Gastrectomy. Dr. Choi is currently accepting new patients.

    Experienced in Colitis

    Dr. Derek C. Taylor
    Gastroenterology
    Experienced in Colitis

    Dr. Derek C. Taylor
    Gastroenterology
    501 North Graham Street, Suite 465, 
    Portland, OR 
     (2.0 miles away)
    503-229-7137
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Derek Taylor is a Gastroenterologist in Portland, Oregon. Dr. Taylor is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Gardner Syndrome, Familial Adenomatous Polyposis, Turcot Syndrome, Endoscopy, and Gastrectomy. Dr. Taylor is currently accepting new patients.

    Experienced in Colitis

    Dr. Jay C. Poorman
    Gastroenterology
    Experienced in Colitis

    Dr. Jay C. Poorman
    Gastroenterology
    501 North Graham Street, Suite 465, 
    Portland, OR 
     (2.0 miles away)
    503-229-7137
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Jay Poorman is a Gastroenterologist in Portland, Oregon. Dr. Poorman is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Gardner Syndrome, Turcot Syndrome, Familial Adenomatous Polyposis, Ulcerative Colitis, and Endoscopy. Dr. Poorman is currently accepting new patients.

    Experienced in Colitis

    Dr. Katherine R. Black
    Gastroenterology | Internal Medicine
    Experienced in Colitis

    Dr. Katherine R. Black
    Gastroenterology | Internal Medicine
    501 North Graham Street, Suite 465, 
    Portland, OR 
     (2.0 miles away)
    503-229-7137
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Katherine Black is an Internal Medicine specialist and a Gastroenterologist in Portland, Oregon. Dr. Black is rated as an Experienced provider by MediFind in the treatment of Colitis. Her top areas of expertise are Gardner Syndrome, Turcot Syndrome, Familial Adenomatous Polyposis, Gastrectomy, and Endoscopy. Dr. Black is currently accepting new patients.

    Experienced in Colitis

    Dr. Erich D. Vorlop
    Gastroenterology | Internal Medicine
    Experienced in Colitis

    Dr. Erich D. Vorlop
    Gastroenterology | Internal Medicine
    501 North Graham Street, Suite 465, 
    Portland, OR 
     (2.0 miles away)
    503-229-7137
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Erich Vorlop is an Internal Medicine specialist and a Gastroenterologist in Portland, Oregon. Dr. Vorlop is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Familial Adenomatous Polyposis, Gardner Syndrome, Turcot Syndrome, Endoscopy, and Gastrectomy. Dr. Vorlop is currently accepting new patients.

    Experienced in Colitis

    Dr. Elliot N. Joo
    Gastroenterology
    Experienced in Colitis

    Dr. Elliot N. Joo
    Gastroenterology
    9701 Southwest Barnes Road, Suite 300, 
    Portland, OR 
     (4.5 miles away)
    503-297-8081
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Elliot Joo is a Gastroenterologist in Portland, Oregon. Dr. Joo is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Enlarged Liver, Pancreatic Cancer, Familial Pancreatic Cancer, Endoscopy, and Gastrectomy. Dr. Joo is currently accepting new patients.

    Experienced in Colitis

    Dr. David M. Grunkemeier
    Gastroenterology
    Experienced in Colitis

    Dr. David M. Grunkemeier
    Gastroenterology
    9701 Southwest Barnes Road, Suite 300, 
    Portland, OR 
     (4.5 miles away)
    503-297-8081
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    David Grunkemeier is a Gastroenterologist in Portland, Oregon. Dr. Grunkemeier is rated as an Experienced provider by MediFind in the treatment of 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.

    Experienced in Colitis

    Dr. Cristian Vallejos
    Internal Medicine | Gastroenterology
    Experienced in Colitis

    Dr. Cristian Vallejos
    Internal Medicine | Gastroenterology
    9701 Southwest Barnes Road, Suite 300, 
    Portland, OR 
     (4.5 miles away)
    503-297-8081
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Cristian Vallejos is an Internal Medicine specialist and a Gastroenterologist in Portland, Oregon. Dr. Vallejos is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Alcoholic Cirrhosis, Ascites, Hepatitis C, Endoscopy, and Gastrectomy. Dr. Vallejos is currently accepting new patients.

    Experienced in Colitis

    Dr. Margot L. Herman
    Gastroenterology | Internal Medicine
    Experienced in Colitis

    Dr. Margot L. Herman
    Gastroenterology | Internal Medicine
    9701 Southwest Barnes Road, Suite 300, 
    Portland, OR 
     (4.5 miles away)
    503-297-8081
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Margot Herman is an Internal Medicine specialist and a Gastroenterologist in Portland, Oregon. Dr. Herman is rated as an Experienced provider by MediFind in the treatment of Colitis. Her top areas of expertise are Crohn's Disease, Familial Adenomatous Polyposis, Ulcerative Colitis, Celiac Disease, and Endoscopy. Dr. Herman is currently accepting new patients.

    Experienced in Colitis

    Dr. Sarah A. Rodriguez
    Gastroenterology
    Experienced in Colitis

    Dr. Sarah A. Rodriguez
    Gastroenterology
    9701 Southwest Barnes Road, Suite 300, 
    Portland, OR 
     (4.5 miles away)
    503-297-8081
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Sarah Rodriguez is a Gastroenterologist in Portland, Oregon. Dr. Rodriguez is rated as an Experienced provider by MediFind in the treatment of Colitis. Her top areas of expertise are Cholestasis, Bile Duct Obstruction, Bile Duct Stricture, Endoscopy, and Gastrectomy. Dr. Rodriguez is currently accepting new patients.

    Experienced in Colitis

    Dr. Michael T. Chew
    Gastroenterology
    Experienced in Colitis

    Dr. Michael T. Chew
    Gastroenterology
    9701 Southwest Barnes Road, Suite 300, 
    Portland, OR 
     (4.5 miles away)
    503-297-8081
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Michael Chew is a Gastroenterologist in Portland, Oregon. Dr. Chew is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Viral Gastroenteritis, Hemorrhoids, Gastroparesis, and Colitis. Dr. Chew is currently accepting new patients.

    Experienced in Colitis

    Dr. Jeffrey J. Weprin
    Gastroenterology
    Experienced in Colitis

    Dr. Jeffrey J. Weprin
    Gastroenterology
    9701 Southwest Barnes Road, Suite 300, 
    Portland, OR 
     (4.5 miles away)
    503-297-8081
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Jeffrey Weprin is a Gastroenterologist in Portland, Oregon. Dr. Weprin is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Crohn's Disease, Familial Adenomatous Polyposis, Hepatitis, Endoscopy, and Gastrectomy. Dr. Weprin is currently accepting new patients.

    Experienced in Colitis

    Dr. Sergio M. Crespo
    Gastroenterology | Internal Medicine
    Experienced in Colitis

    Dr. Sergio M. Crespo
    Gastroenterology | Internal Medicine
    9701 Southwest Barnes Road, Suite 300, 
    Portland, OR 
     (4.5 miles away)
    503-297-8081
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Sergio Crespo is an Internal Medicine specialist and a Gastroenterologist in Portland, Oregon. Dr. Crespo is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Primary Biliary Cholangitis, Reynolds Syndrome, Hepatitis, Endoscopy, and Gastrectomy. Dr. Crespo is currently accepting new patients.

    Showing 1-20 of 141

    Last Updated: 02/22/2026

    What is the definition of Colitis?

    Colitis is swelling (inflammation) of the large intestine (colon).

    When should I see a 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 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 do I find the best Colitis doctor near Portland, OR?

    You can find a Colitis doctor in any of the 10 largest U.S. cities by clicking below:

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    Colitis doctor near San Jose, CA

    How does MediFind rank 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 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 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 Colitis doctor search results page. 

    Why is it important to get a second opinion from a different 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 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 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 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 Colitis doctors near Portland, OR?

    Look for the filter feature on the left side of the 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 Colitis doctor that offers video calls?

    Look for the filter feature on the left-side of the 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 

    Read more about our Content Policy. 

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