The 20 Best Gastrointestinal Bleeding Doctors Near Me in Tualatin, OR

Find the Top Gastrointestinal Bleeding Experts and Specialists

Last Updated: 09/19/2026

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MediFind found 436 doctor with experience in Gastrointestinal Bleeding near Tualatin, OR. Of these, 417 are Experienced, 18 are Advanced and 1 are Distinguished.

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436 providers found
    Advanced in Gastrointestinal Bleeding

    Dr. Glenn M. Eisen
    Gastroenterology
    Advanced in Gastrointestinal Bleeding

    Dr. Glenn M. Eisen
    Gastroenterology
    Referral may be required

    Office

    9701 SW Barnes Rd, 
    Portland, OR 
    503-297-8081
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients

    Glenn Eisen is a Gastroenterologist practicing medicine in Portland, Oregon. Dr. Eisen is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Bleeding. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Gastrointestinal Bleeding, Barrett Esophagus, Angiodysplasia of the Colon, Colonoscopy, and Endoscopy. Dr. Eisen is currently accepting new patients.

    Experienced in Gastrointestinal Bleeding

    Dr. Douglas A. Shumaker
    Gastroenterology
    Experienced in Gastrointestinal Bleeding

    Dr. Douglas A. Shumaker
    Gastroenterology
    Referral may be required

    Metro Anesthesia LLC

    9701 SW Barnes Rd, 
    Portland, OR 
    503-297-8081
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Douglas Shumaker is a Gastroenterologist practicing medicine in Portland, Oregon. Dr. Shumaker is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Crohn's Disease, Childhood Pancreatitis, Irritable Bowel Syndrome (IBS), Endoscopy, and Pancreatectomy. Dr. Shumaker is currently accepting new patients.

    Experienced in Gastrointestinal Bleeding

    Dr. Jeremy P. Holden
    Gastroenterology
    Experienced in Gastrointestinal Bleeding

    Dr. Jeremy P. Holden
    Gastroenterology
    Referral may be required
    1111 Northeast 99th Avenue, Suite 301, 
    Portland, OR 
    503-963-2707
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Jeremy Holden is a Gastroenterologist practicing medicine in Portland, Oregon. Dr. Holden is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Visceromegaly, Ascites, Alcoholic Cirrhosis, Cirrhosis, and Endoscopy. Dr. Holden is currently accepting new patients.

    Learn about our expert tiers
    Experienced in Gastrointestinal Bleeding

    Dr. Sarah A. Rodriguez
    Gastroenterology
    Experienced in Gastrointestinal Bleeding

    Dr. Sarah A. Rodriguez
    Gastroenterology
    Referral may be required
    9701 Southwest Barnes Road, Suite 300, 
    Portland, OR 
    503-297-8081
    Languages Spoken:
    English
    See accepted insurances
    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 Gastrointestinal Bleeding. 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 Gastrointestinal Bleeding

    Dr. Jeffrey J. Weprin
    Gastroenterology
    Experienced in Gastrointestinal Bleeding

    Dr. Jeffrey J. Weprin
    Gastroenterology
    Referral may be required
    9701 Southwest Barnes Road, Suite 300, 
    Portland, OR 
    503-297-8081
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Jeffrey Weprin is a Gastroenterologist practicing medicine in Portland, Oregon. Dr. Weprin is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Crohn's Disease, Familial Adenomatous Polyposis, Hepatitis, Endoscopy, and Gastrectomy. Dr. Weprin is currently accepting new patients.

    Experienced in Gastrointestinal Bleeding

    Dr. Brent Y. Lee
    Gastroenterology
    Experienced in Gastrointestinal Bleeding

    Dr. Brent Y. Lee
    Gastroenterology
    Referral may be required
    9701 Southwest Barnes Road, Suite 300, 
    Portland, OR 
    503-297-8081
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Brent Lee is a Gastroenterologist practicing medicine in Portland, Oregon. Dr. Lee is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His clinical expertise encompasses Crohn's Disease, Familial Adenomatous Polyposis, Turcot Syndrome, Gardner Syndrome, and Endoscopy. Dr. Lee is currently accepting new patients.

    Experienced in Gastrointestinal Bleeding

    Dr. David M. Grunkemeier
    Gastroenterology
    Experienced in Gastrointestinal Bleeding

    Dr. David M. Grunkemeier
    Gastroenterology
    Referral may be required
    9701 Southwest Barnes Road, Suite 300, 
    Portland, OR 
    503-297-8081
    Languages Spoken:
    English
    See accepted insurances
    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 Gastrointestinal Bleeding. 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 Gastrointestinal Bleeding

    Dr. Harry E. Bray
    Gastroenterology
    Experienced in Gastrointestinal Bleeding

    Dr. Harry E. Bray
    Gastroenterology
    Referral may be required

    Oregon Clinic PC

    1111 NE 99th Ave, 
    Portland, OR 
    503-963-2707
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients

    Harry Bray is a Gastroenterologist practicing medicine in Portland, Oregon. Dr. Bray is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Ulcerative Colitis, Hemorrhagic Proctocolitis, Crohn's Disease, Viral Gastroenteritis, and Endoscopy. Dr. Bray is currently accepting new patients.

    Experienced in Gastrointestinal Bleeding

    Dr. Margot L. Herman
    Gastroenterology
    Experienced in Gastrointestinal Bleeding

    Dr. Margot L. Herman
    Gastroenterology
    Referral may be required
    9701 Southwest Barnes Road, Suite 300, 
    Portland, OR 
    503-297-8081
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Margot Herman is a Gastroenterologist practicing medicine in Portland, Oregon. Dr. Herman is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Crohn's Disease, Familial Adenomatous Polyposis, Ulcerative Colitis, Celiac Disease, and Endoscopy. Dr. Herman is currently accepting new patients.

    Experienced in Gastrointestinal Bleeding

    Dr. Swapna B. Reddy
    Gastroenterology
    Experienced in Gastrointestinal Bleeding

    Dr. Swapna B. Reddy
    Gastroenterology
    Referral may be required
    19250 Southwest 90th Avenue, 
    Tualatin, OR 
    503-692-3750
    Languages Spoken:
    English, Spanish
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

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

    Experienced in Gastrointestinal Bleeding

    Dr. Alan H. Kaynard
    Gastroenterology
    Experienced in Gastrointestinal Bleeding

    Dr. Alan H. Kaynard
    Gastroenterology
    Referral may be required
    9701 Sw Barnes Rd, Ste 300, 
    Portland, OR 
    503-297-8081
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients

    Alan Kaynard is a Gastroenterologist practicing medicine in Portland, Oregon. Dr. Kaynard is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His clinical expertise encompasses Hepatitis, Barrett Esophagus, Crohn's Disease, Endoscopy, and Gastrectomy. Dr. Kaynard is currently accepting new patients.

    Experienced in Gastrointestinal Bleeding

    Dr. James K. Regan
    Gastroenterology
    Experienced in Gastrointestinal Bleeding

    Dr. James K. Regan
    Gastroenterology
    Referral may be required
    1111 Northeast 99th Avenue, Suite 301, 
    Portland, OR 
    503-963-2707
    Languages Spoken:
    English
    See accepted insurances
    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 Gastrointestinal Bleeding. His clinical expertise encompasses Bile Duct Obstruction, Painful Swallowing, Swallowing Difficulty, Endoscopy, and Gastrectomy. Dr. Regan is currently accepting new patients.

    Experienced in Gastrointestinal Bleeding

    Dr. Mark S. Schiele
    Gastroenterology
    Experienced in Gastrointestinal Bleeding

    Dr. Mark S. Schiele
    Gastroenterology
    Referral may be required

    The Oregon Clinic Endoscopy Center-Tualatin

    19250 SW 90th Ave, 
    Tualatin, OR 
    503-692-3750
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients

    Mark Schiele is a Gastroenterologist practicing medicine in Tualatin, Oregon. Dr. Schiele is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Primary Biliary Cholangitis, Reynolds Syndrome, Familial Adenomatous Polyposis, Crohn's Disease, and Endoscopy. Dr. Schiele is currently accepting new patients.

    Experienced in Gastrointestinal Bleeding

    Dr. Erik J. Kleek
    Gastroenterology
    Experienced in Gastrointestinal Bleeding

    Dr. Erik J. Kleek
    Gastroenterology
    Referral may be required
    19250 Southwest 90th Avenue, 
    Tualatin, OR 
    503-692-3750
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Erik Kleek is a Gastroenterologist practicing medicine in Tualatin, Oregon. Dr. Kleek is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Familial Adenomatous Polyposis, Turcot Syndrome, Gardner Syndrome, and Hepatitis. Dr. Kleek is currently accepting new patients.

    Experienced in Gastrointestinal Bleeding

    Dr. Don F. Lum
    Gastroenterology
    Experienced in Gastrointestinal Bleeding

    Dr. Don F. Lum
    Gastroenterology
    Referral may be required
    1111 Northeast 99th Avenue, Suite 301, 
    Portland, OR 
    503-963-2707
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Don Lum is a Gastroenterologist practicing medicine in Portland, Oregon. Dr. Lum is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Crohn's Disease, Ulcerative Colitis, Painful Swallowing, Swallowing Difficulty, and Endoscopy. Dr. Lum is currently accepting new patients.

    Experienced in Gastrointestinal Bleeding

    Dr. Diane H. Williams
    Gastroenterology
    Experienced in Gastrointestinal Bleeding

    Dr. Diane H. Williams
    Gastroenterology
    Referral may be required

    Metro Anesthesia LLC

    9701 SW Barnes Rd Ste 300, 
    Portland, OR 
    503-692-1836
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients

    Diane Williams is a Gastroenterologist practicing medicine in Portland, Oregon. Dr. Williams is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Ulcerative Colitis, Familial Adenomatous Polyposis, Swallowing Difficulty, Painful Swallowing, and Gastrectomy. Dr. Williams is currently accepting new patients.

    Experienced in Gastrointestinal Bleeding

    Dr. Ryan E. Childers
    Gastroenterology
    Experienced in Gastrointestinal Bleeding

    Dr. Ryan E. Childers
    Gastroenterology
    Referral may be required
    19250 Southwest 90th Avenue, 
    Tualatin, OR 
    503-692-3750
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Ryan Childers is a Gastroenterologist practicing medicine in Tualatin, Oregon. Dr. Childers is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Familial Adenomatous Polyposis, Ulcerative Colitis, Turcot Syndrome, Endoscopy, and Colonoscopy. Dr. Childers is currently accepting new patients.

    Experienced in Gastrointestinal Bleeding

    Dr. Anne H. Wang
    Gastroenterology
    Experienced in Gastrointestinal Bleeding

    Dr. Anne H. Wang
    Gastroenterology
    Referral may be required
    1111 Northeast 99th Avenue, Suite 301, 
    Portland, OR 
    503-963-2707
    Languages Spoken:
    English, Mandarin
    See accepted insurances
    Offers Telehealth

    Anne Wang is a Gastroenterologist practicing medicine in Portland, Oregon. Dr. Wang is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. Her clinical expertise encompasses Crohn's Disease, Familial Adenomatous Polyposis, Gardner Syndrome, Endoscopy, and Colonoscopy.

    Experienced in Gastrointestinal Bleeding

    Dr. Phillip K. Kiyasu
    Gastroenterology
    Experienced in Gastrointestinal Bleeding

    Dr. Phillip K. Kiyasu
    Gastroenterology
    Referral may be required

    Office

    1111 NE 99th Ave, 
    Portland, OR 
    503-963-2707
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients

    Phillip Kiyasu is a Gastroenterologist practicing medicine in Portland, Oregon. Dr. Kiyasu is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His clinical expertise encompasses Crohn's Disease, Ulcerative Colitis, Familial Adenomatous Polyposis, Gardner Syndrome, and Endoscopy. Dr. Kiyasu is currently accepting new patients.

    Experienced in Gastrointestinal Bleeding

    Dr. Zibing J. Woodward
    Gastroenterology
    Experienced in Gastrointestinal Bleeding

    Dr. Zibing J. Woodward
    Gastroenterology
    Referral may be required
    19250 Southwest 90th Avenue, 
    Tualatin, OR 
    503-692-3750
    Experience:
    17+ years
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Zibing Woodward is a Gastroenterologist practicing medicine in Tualatin, Oregon. She has been practicing medicine for over 17 years. Dr. Woodward is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. Her clinical expertise encompasses Familial Adenomatous Polyposis, Turcot Syndrome, Gardner Syndrome, Endoscopy, and Gastrectomy. Dr. Woodward is currently accepting new patients.

    Showing 1-20 of 436

    Last Updated: 09/19/2026

    What is the definition of Gastrointestinal Bleeding?

    Gastrointestinal (GI) bleeding refers to any bleeding that starts in the GI tract.

    Bleeding may come from any site along the GI tract, but is often divided into:

    • Upper GI bleeding: The upper GI tract includes the esophagus (the tube from the mouth to the stomach), stomach, and first part of the small intestine (duodenum).
    • Lower GI bleeding: The lower GI tract includes most of the small intestine, and the entire large intestine, rectum, and anus.

    When should I see a Gastrointestinal Bleeding doctor near Tualatin, 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 Gastrointestinal Bleeding doctor near Tualatin, 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 Gastrointestinal Bleeding doctor near Tualatin, OR?

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

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    Gastrointestinal Bleeding doctor near Boston, MA
    Gastrointestinal Bleeding doctor near Dallas, TX
    Gastrointestinal Bleeding doctor near San Jose, CA

    How does MediFind rank Gastrointestinal Bleeding doctors near Tualatin, 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 Gastrointestinal Bleeding doctors near Tualatin, 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 Gastrointestinal Bleeding doctor near Tualatin, 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 Gastrointestinal Bleeding doctor search results page. 

    Why is it important to get a second opinion from a different Gastrointestinal Bleeding 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 Gastrointestinal Bleeding doctor near Tualatin, 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 Gastrointestinal Bleeding 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 Gastrointestinal Bleeding 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 Gastrointestinal Bleeding doctors near Tualatin, OR?

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

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