The 20 Best Diarrhea Doctors Near Me in Oregon, US

Find the Top Diarrhea Experts and Specialists

The 20 Best Diarrhea Doctors in Oregon, US

Last Updated: 02/22/2026

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MediFind found 562 doctor with experience in Diarrhea near Oregon, US. Of these, 529 are Experienced and 31 are Advanced.

Location
LocationClose
562 providers found
    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology
    9701 Sw Barnes Rd, Ste 300, 
    Portland, OR 
    Languages Spoken:
    English
    Accepting New Patients

    Alan Kaynard is a Gastroenterologist in Portland, Oregon. Dr. Kaynard is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Hepatitis, Barrett Esophagus, Crohn's Disease, Endoscopy, and Gastrectomy. Dr. Kaynard is currently accepting new patients.

    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology
    800 Southwest 13th Avenue, 
    Portland, OR 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

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

    Gene Bakis
    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology
    1111 Northeast 99th Avenue, Suite 301, 
    Portland, OR 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Gene Bakis is a Gastroenterologist in Portland, Oregon. Dr. Bakis is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Bile Duct Stricture, Familial Pancreatic Cancer, Bile Duct Obstruction, Endoscopy, and Pancreatectomy. Dr. Bakis is currently accepting new patients.

    Learn about our expert tiers
    Stefanie Aring
    Nurse Practitioner
    Nurse Practitioner

    Pohala Clinic PC

    7477 SE 52nd Ave, 
    Portland, OR 
    Experience:
    10+ years
    Languages Spoken:
    English
    Offers Telehealth

    Stefanie Aring is a Nurse Practitioner in Portland, Oregon. Ms. Aring has been practicing medicine for over 10 years and is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Endometriosis, Insomnia, Irritable Bowel Syndrome (IBS), Major Depression, and Hormone Replacement Therapy (HRT).

    Experienced in Diarrhea
    Pediatrics
    Experienced in Diarrhea
    Pediatrics

    Office

    101 SW Main St Ste 940, 
    Portland, OR 
    Languages Spoken:
    English

    Esther Yue is a Pediatrics provider in Portland, Oregon. Dr. Yue is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Respiratory Syncytial Virus (RSV) Infection, Genetic Epilepsy with Febrile Seizures Plus (GEFS+), Croup, and Malnutrition.

    Experienced in Diarrhea
    Pediatrics
    Experienced in Diarrhea
    Pediatrics

    Legacy Emanuel Medical Center

    2801 N Gantenbein Ave, 
    Portland, OR 
    Languages Spoken:
    English

    Thao Nguyen is a Pediatrics provider in Portland, Oregon. Dr. Nguyen is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Croup, Genetic Epilepsy with Febrile Seizures Plus (GEFS+), Respiratory Syncytial Virus (RSV) Infection, and Diarrhea.

    Experienced in Diarrhea
    Experienced in Diarrhea

    Legacy Emanuel Medical Center

    2801 N Gantenbein Ave, 
    Portland, OR 
    Languages Spoken:
    English

    Christy Meade is a Pediatrics provider in Portland, Oregon. Dr. Meade is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Genetic Epilepsy with Febrile Seizures Plus (GEFS+), Croup, Respiratory Syncytial Virus (RSV) Infection, and Pertussis.

    Experienced in Diarrhea
    Experienced in Diarrhea

    Legacy Emanuel Medical Center

    2801 N Gantenbein Ave, 
    Portland, OR 
    Languages Spoken:
    English

    Linnea Wittick is a Pediatrics provider in Portland, Oregon. Dr. Wittick is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Genetic Epilepsy with Febrile Seizures Plus (GEFS+), Croup, Respiratory Syncytial Virus (RSV) Infection, and Viral Gastroenteritis.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    Centennial Gastroenterology Associates

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

    John Walker is a Gastroenterologist in Roseburg, Oregon. Dr. Walker is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Esophageal Varices, Familial Adenomatous Polyposis, Turcot Syndrome, Endoscopy, and Colonoscopy. Dr. Walker is currently accepting new patients.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology
    19250 Southwest 90th Avenue, 
    Tualatin, OR 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Swapna Reddy is a Gastroenterologist in Tualatin, Oregon. Dr. Reddy is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Collagenous Colitis, Crohn's Disease, Colitis, Familial Adenomatous Polyposis, and Endoscopy. Dr. Reddy is currently accepting new patients.

    Experienced in Diarrhea
    Gastroenterology | Internal Medicine
    Experienced in Diarrhea
    Gastroenterology | Internal Medicine
    19250 Southwest 90th Avenue, 
    Tualatin, OR 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Michelle Beilstein is an Internal Medicine specialist and a Gastroenterologist in Tualatin, Oregon. Dr. Beilstein is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Bile Duct Obstruction, Cholangitis, Sclerosing Cholangitis, Familial Adenomatous Polyposis, and Endoscopy. Dr. Beilstein is currently accepting new patients.

    Experienced in Diarrhea
    Emergency Medicine
    Experienced in Diarrhea
    Emergency Medicine

    Legacy Silverton Medical Center

    342 Fairview St, 
    Silverton, OR 
    Languages Spoken:
    English

    James Jensen is an Emergency Medicine provider in Silverton, Oregon. Dr. Jensen is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Inappropriate Sinus Tachycardia (IST), Diarrhea, Aseptic and Alopecic Nodules of Scalp (AANS), and Urinary Tract Infection in Children.

    Experienced in Diarrhea
    Internal Medicine | Gastroenterology
    Experienced in Diarrhea
    Internal Medicine | Gastroenterology
    9701 Southwest Barnes Road, Suite 300, 
    Portland, OR 
    Languages Spoken:
    English
    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 Diarrhea. His top areas of expertise are Alcoholic Cirrhosis, Ascites, Hepatitis C, Endoscopy, and Gastrectomy. Dr. Vallejos is currently accepting new patients.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology
    9701 Southwest Barnes Road, Suite 300, 
    Portland, OR 
    Languages Spoken:
    English
    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 Diarrhea. 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 Diarrhea
    Internal Medicine | Gastroenterology
    Experienced in Diarrhea
    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 in Portland, Oregon. Dr. Fausel has been practicing medicine for over 18 years and is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Ulcerative Colitis, Crohn's Disease, Colitis, Colonoscopy, and Endoscopy. Dr. Fausel is currently accepting new patients.

    Experienced in Diarrhea
    Gastroenterology | Internal Medicine
    Experienced in Diarrhea
    Gastroenterology | Internal Medicine
    9701 Southwest Barnes Road, Suite 300, 
    Portland, OR 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

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

    Experienced in Diarrhea
    Gastroenterology | Internal Medicine
    Experienced in Diarrhea
    Gastroenterology | Internal Medicine
    9701 Southwest Barnes Road, Suite 300, 
    Portland, OR 
    Languages Spoken:
    English
    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 Diarrhea. His top areas of expertise are Primary Biliary Cholangitis, Reynolds Syndrome, Hepatitis, Endoscopy, and Gastrectomy. Dr. Crespo is currently accepting new patients.

    Experienced in Diarrhea
    Internal Medicine | Gastroenterology
    Experienced in Diarrhea
    Internal Medicine | Gastroenterology
    19250 Southwest 90th Avenue, 
    Tualatin, OR 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

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

    Experienced in Diarrhea
    Internal Medicine | Gastroenterology
    Experienced in Diarrhea
    Internal Medicine | Gastroenterology
    9701 Southwest Barnes Road, Suite 300, 
    Portland, OR 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Brent Lee is an Internal Medicine specialist and a Gastroenterologist in Portland, Oregon. Dr. Lee is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Crohn's Disease, Familial Adenomatous Polyposis, Turcot Syndrome, Gardner Syndrome, and Endoscopy. Dr. Lee is currently accepting new patients.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology
    19250 Southwest 90th Avenue, 
    Tualatin, OR 
    Languages Spoken:
    English
    Accepting New Patients

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

    Showing 1-20 of 562

    Last Updated: 02/22/2026

    What is the definition of Diarrhea?

    Diarrhea is when you pass loose or watery stool.

    When should I see a Diarrhea doctor in Oregon, US?

    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 Diarrhea doctor in Oregon, US?

    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 Diarrhea doctors in Oregon, US?

    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 Diarrhea doctors in Oregon, US?

    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 Diarrhea doctor in Oregon, US?

    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 Diarrhea doctor search results page. 

    Why is it important to get a second opinion from a different Diarrhea 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 Diarrhea doctor in Oregon, US?

    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 Diarrhea 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 Diarrhea 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 Diarrhea doctors in Oregon, US?

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

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