The 20 Best Diarrhea Doctors Near Me in Lake Oswego, OR

Find the Top Diarrhea Experts and Specialists

The 20 Best Diarrhea Doctors near Lake Oswego, OR

Last Updated: 02/22/2026

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MediFind found 212 doctor with experience in Diarrhea near Lake Oswego, OR. Of these, 203 are Experienced and 8 are Advanced.

Location
LocationClose
212 providers found
    Stefanie Aring
    Nurse Practitioner
    Nurse Practitioner

    Pohala Clinic PC

    7477 SE 52nd Ave, 
    Portland, OR 
     (4.3 miles away)
    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

    6312 SW Capitol Hwy, 
    Portland, OR 
     (4.3 miles away)
    Languages Spoken:
    English

    Opher Nadler is a Pediatrics provider in Portland, Oregon. Dr. Nadler is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Genetic Epilepsy with Febrile Seizures Plus (GEFS+), Croup, Viral Gastroenteritis, and Diarrhea.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology
    9701 Sw Barnes Rd, Ste 300, 
    Portland, OR 
     (8.4 miles away)
    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.

    Learn about our expert tiers
    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology

    Kaiser Permanente Sunnybrook Medical Office - Gastroenterology Department

    9900 SE Sunnyside Rd, 
    Clackamas, OR 
     (5.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Vikas Garg is a Gastroenterologist in Clackamas, Oregon. Dr. Garg is rated as an Advanced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Hepatitis C, Familial Adenomatous Polyposis, Gardner Syndrome, Gastrectomy, and Endoscopy. Dr. Garg is currently accepting new patients.

    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology
    800 Southwest 13th Avenue, 
    Portland, OR 
     (7.4 miles away)
    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.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine
    17550 Provost Street, Suite 201, 
    Lake Oswego, OR 
     (1.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Robert Eller is a primary care provider, practicing in Internal Medicine in Lake Oswego, Oregon. Dr. Eller is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Anemia, Maturity Onset Diabetes of the Young, Familial Hypertension, and Hypertension.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Legacy Medical Group-Lake Oswego-A Department Of Legacy Meridian Park Medical Center

    412 A Ave Ste 200, 
    Lake Oswego, OR 
     (1.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Joshua Gepner is a primary care provider, practicing in Family Medicine in Lake Oswego, Oregon. Dr. Gepner is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Infant Hyperglycemia, High Cholesterol, Cirrhosis, and Familial Combined Hyperlipidemia.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Providence Health & Services Oregon

    17550 Provost St Ste 201, 
    Lake Oswego, OR 
     (1.2 miles away)
    Languages Spoken:
    English

    Samantha Mckay is a primary care provider, practicing in Family Medicine in Lake Oswego, Oregon. Dr. Mckay is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Glucocorticoid-Remediable Aldosteronism, Hypertension, Familial Hypertension, and Maturity Onset Diabetes of the Young.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Legacy Medical Group-Lake Oswego-A Department Of Legacy Meridian Park Medical Center

    412 A Ave Ste 200, 
    Lake Oswego, OR 
     (1.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Janel Guyette is a primary care provider, practicing in Family Medicine in Lake Oswego, Oregon. Dr. Guyette is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Familial Combined Hyperlipidemia, Xanthoma, Cirrhosis, and High Cholesterol.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Providence Primary Care-Mary's Woods

    17550 Provost St Ste 201, 
    Lake Oswego, OR 
     (1.2 miles away)
    Languages Spoken:
    English

    Cristina De Castro is a primary care provider, practicing in Internal Medicine in Lake Oswego, Oregon. Dr. De Castro is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Hypothyroidism, and Familial Hypertension.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine
    18380 Willamette Drive, Suite 202, 
    West Linn, OR 
     (2.0 miles away)
    Languages Spoken:
    English

    Joyce Endo is a primary care provider, practicing in Family Medicine in West Linn, Oregon. Dr. Endo is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Obesity in Children, Food Allergy, Generalized Anxiety Disorder (GAD), High Cholesterol, and Intrauterine Device Insertion.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine
    2250 Southeast Oak Grove Boulevard, Suite B, 
    Milwaukie, OR 
     (2.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Roberta Ruggeri is a primary care provider, practicing in Family Medicine in Milwaukie, Oregon. Dr. Ruggeri is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are High Cholesterol, Familial Hypertriglyceridemia, Hypothyroidism, and Hypertension. Dr. Ruggeri is currently accepting new patients.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    Providence Health & Services Oregon

    10150 SE 32nd Ave, 
    Portland, OR 
     (2.6 miles away)
    Languages Spoken:
    English

    Anne Breitinger is a Gastroenterologist in Portland, Oregon. Dr. Breitinger is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Familial Adenomatous Polyposis, Trichohepatoenteric Syndrome, Diarrhea, Gastrectomy, and Endoscopy.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine
    10330 Southeast 32nd Avenue, Suite 205, 
    Milwaukie, OR 
     (2.6 miles away)
    Languages Spoken:
    English

    Tanya Page is a primary care provider, practicing in Family Medicine in Milwaukie, Oregon. Dr. Page is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Chylous Ascites, Kimura Disease, Folate Deficiency, and Multiple Carboxylase Deficiency.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine
    2400 Southwest Vermont Street, 
    Portland, OR 
     (3.0 miles away)
    Languages Spoken:
    English

    Gregg Coodley is a primary care provider, practicing in Internal Medicine in Portland, Oregon. Dr. Coodley is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Arthritis, Sitosterolemia, Myelitis, and AIDS Dysmorphic Syndrome.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Legacy Medical Group-Bridgeport-A Department Of Legacy Meridian Park Medical Center

    18010 SW McEwan Rd # I-5, 
    Lake Oswego, OR 
     (3.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Jordan Smith is a primary care provider, practicing in Internal Medicine in Lake Oswego, Oregon. Dr. Smith is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Familial Hypertension, Hypertension, Glucocorticoid-Remediable Aldosteronism, and Type 2 Diabetes (T2D).

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Legacy Medical Group-Bridgeport-A Department Of Legacy Meridian Park Medical Center

    18010 SW McEwan Rd # I-5, 
    Lake Oswego, OR 
     (3.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Brian Bedolla is a primary care provider, practicing in Family Medicine in Lake Oswego, Oregon. Dr. Bedolla is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, Hypertension, and Type 2 Diabetes (T2D).

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Arete NW LLC

    6640 SW Redwood Ln, 
    Portland, OR 
     (4.1 miles away)
    Languages Spoken:
    English

    Baier Rakowski is a primary care provider, practicing in Family Medicine in Portland, Oregon. Dr. Rakowski is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Sitosterolemia, High Cholesterol, Attention Deficit Hyperactivity Disorder (ADHD), and Type 2 Diabetes (T2D).

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Office

    18010 SW McEwan Rd, 
    Lake Oswego, OR 
     (4.5 miles away)
    Languages Spoken:
    English

    Adama Diarra is a primary care provider, practicing in Family Medicine in Lake Oswego, Oregon. Dr. Diarra is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Breast Cancer, Sitosterolemia, Type 2 Diabetes (T2D), and Hypothyroidism.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Office

    18010 SW McEwan Rd, 
    Lake Oswego, OR 
     (4.5 miles away)
    Languages Spoken:
    English

    Ellen Mayock is a primary care provider, practicing in Internal Medicine in Lake Oswego, Oregon. Dr. Mayock is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Chronic Cough, Vertigo, Maturity Onset Diabetes of the Young, and Type 2 Diabetes (T2D).

    Showing 1-20 of 212

    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 near Lake Oswego, 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 Diarrhea doctor near Lake Oswego, 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 Diarrhea doctors near Lake Oswego, 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 Diarrhea doctors near Lake Oswego, 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 Diarrhea doctor near Lake Oswego, 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 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 near Lake Oswego, 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 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 near Lake Oswego, OR?

    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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