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    Last Updated: 10/30/2025

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    MediFind found 69 doctor with experience in Collagenous Colitis near Bellevue, WA. Of these, 64 are Experienced and 5 are Advanced.

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    69 providers found
      Experienced in Collagenous Colitis

      Dr. Stacey S. Donlan
      Internal Medicine
      Experienced in Collagenous Colitis

      Dr. Stacey S. Donlan
      Internal Medicine
      2950 Northup Way Ste 210, 
      Bellevue, WA 
       (0.6 miles away)
      425-284-3377
      Languages Spoken:
      English, Castilian, Spanish
      See accepted insurances
      Accepting New Patients
      Offers Telehealth

      Stacey Donlan is a primary care provider, practicing in Internal Medicine in Bellevue, Washington. Dr. Donlan is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. Her top areas of expertise are Collagenous Colitis, Hypercalcemia, Idiopathic Hypercalciuria, and Milk-Alkali Syndrome. Dr. Donlan is currently accepting new patients.

      Experienced in Collagenous Colitis

      Dr. Eric Yap
      Gastroenterology
      Experienced in Collagenous Colitis

      Dr. Eric Yap
      Gastroenterology

      Washington Gastroenterology PLLC

      1135 116th Ave Ne, Suite 560, 
      Bellevue, WA 
       (1.0 miles away)
      425-454-4768
      Languages Spoken:
      English
      See accepted insurances
      Offers Telehealth

      Eric Yap is a Gastroenterologist in Bellevue, Washington. Dr. Yap is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. His top areas of expertise are Familial Adenomatous Polyposis, Gastroesophageal Reflux Disease (GERD), Gastric Dysmotility, Colonoscopy, and Gastrectomy.

      What does Elite, Distinguished, Advanced, Experienced mean?
      Experienced in Collagenous Colitis

      Dr. Georgia Rees
      Gastroenterology
      Experienced in Collagenous Colitis

      Dr. Georgia Rees
      Gastroenterology

      Washington Gastroenterology PLLC

      1135 116th Ave Ne, Suite 560, 
      Bellevue, WA 
       (1.0 miles away)
      425-454-4768
      Languages Spoken:
      English
      See accepted insurances
      Offers Telehealth

      Georgia Rees is a Gastroenterologist in Bellevue, Washington. Dr. Rees is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. Her top areas of expertise are Familial Adenomatous Polyposis, Irritable Bowel Syndrome (IBS), Indigestion, Endoscopy, and Gastrectomy.

      Learn about our expert tiers
      Experienced in Collagenous Colitis

      Dr. Venkatachala Mohan
      Gastroenterology
      Experienced in Collagenous Colitis

      Dr. Venkatachala Mohan
      Gastroenterology

      Washington Gastroenterology PLLC

      1135 116th Ave Ne, Suite 560, 
      Bellevue, WA 
       (1.0 miles away)
      425-454-4768
      Languages Spoken:
      English
      See accepted insurances
      Offers Telehealth

      Venkatachala Mohan is a Gastroenterologist in Bellevue, Washington. Dr. Mohan is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. His top areas of expertise are Ulcerative Colitis, Gastric Dysmotility, Familial Adenomatous Polyposis, Colonoscopy, and Gastrectomy.

      Experienced in Collagenous Colitis

      Dr. Kalle Kang
      Gastroenterology
      Experienced in Collagenous Colitis

      Dr. Kalle Kang
      Gastroenterology

      Washington Gastroenterology PLLC

      1135 116th Ave Ne, Suite 560, 
      Bellevue, WA 
       (1.0 miles away)
      425-454-4768
      Languages Spoken:
      English
      See accepted insurances
      Offers Telehealth

      Kalle Kang is a Gastroenterologist in Bellevue, Washington. Dr. Kang is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. His top areas of expertise are Indigestion, Childhood Volvulus, Portal Hypertension, Ulcerative Colitis, and Gastrectomy.

      Experienced in Collagenous Colitis

      Dr. Raj Butani
      Gastroenterology
      Experienced in Collagenous Colitis

      Dr. Raj Butani
      Gastroenterology

      Washington Gastroenterology PLLC

      1135 116th Ave Ne, Suite 560, 
      Bellevue, WA 
       (1.0 miles away)
      425-454-4768
      Languages Spoken:
      English
      See accepted insurances
      Offers Telehealth

      Raj Butani is a Gastroenterologist in Bellevue, Washington. Dr. Butani is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Indigestion, Familial Adenomatous Polyposis, Colonoscopy, and Gastrectomy.

      Experienced in Collagenous Colitis

      Dr. Karlee J. Ausk
      Gastroenterology
      Experienced in Collagenous Colitis

      Dr. Karlee J. Ausk
      Gastroenterology

      Washington Gastroenterology PLLC

      1135 116th Ave Ne, Suite 560, 
      Bellevue, WA 
       (1.0 miles away)
      425-454-4768
      Languages Spoken:
      English, Castilian, German, Hindi, Japanese, Mandarin, Spanish, Urdu
      See accepted insurances
      Accepting New Patients
      Offers Telehealth

      Karlee Ausk is a Gastroenterologist in Bellevue, Washington. Dr. Ausk is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. Her top areas of expertise are Crohn's Disease, Ulcerative Colitis, Familial Adenomatous Polyposis, Hemorrhagic Proctocolitis, and Endoscopy. Dr. Ausk is currently accepting new patients.

      Experienced in Collagenous Colitis

      Dr. Edwin Lai
      Gastroenterology
      Experienced in Collagenous Colitis

      Dr. Edwin Lai
      Gastroenterology

      Washington Gastroenterology PLLC

      1135 116th Ave Ne, Suite 560, 
      Bellevue, WA 
       (1.0 miles away)
      425-454-4768
      Languages Spoken:
      English
      See accepted insurances
      Offers Telehealth

      Edwin Lai is a Gastroenterologist in Bellevue, Washington. Dr. Lai is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. His top areas of expertise are Familial Adenomatous Polyposis, Portal Hypertension, Indigestion, Gastrectomy, and Endoscopy.

      Experienced in Collagenous Colitis

      Dr. Sang Kim
      Gastroenterology
      Experienced in Collagenous Colitis

      Dr. Sang Kim
      Gastroenterology

      Washington Gastroenterology PLLC

      1135 116th Ave Ne, Suite 560, 
      Bellevue, WA 
       (1.0 miles away)
      425-454-4768
      Languages Spoken:
      English
      See accepted insurances
      Offers Telehealth

      Sang Kim is a Gastroenterologist in Bellevue, Washington. Dr. Kim is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. His top areas of expertise are Indigestion, Familial Adenomatous Polyposis, Childhood Volvulus, Endoscopy, and Colonoscopy.

      Experienced in Collagenous Colitis

      Dr. Worawan R. Rattanasamphan
      Geriatrics | Internal Medicine
      Experienced in Collagenous Colitis

      Dr. Worawan R. Rattanasamphan
      Geriatrics | Internal Medicine

      Overlake Medical Clinics LLC

      1231 116th Ave Ne, 
      Bellevue, WA 
       (1.1 miles away)
      Languages Spoken:
      English, Italian, Korean, Thai
      See accepted insurances
      Accepting New Patients
      Offers Telehealth

      Worawan Rattanasamphan is a primary care provider, practicing in Geriatrics and Internal Medicine in Bellevue, Washington. Dr. Rattanasamphan is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. Her top areas of expertise are Familial Hypertension, Hypertension, Glucocorticoid-Remediable Aldosteronism, and Postmenopausal Osteoporosis. Dr. Rattanasamphan is currently accepting new patients.

      Experienced in Collagenous Colitis

      Dr. Jennifer M. Garcia-Rabbat
      Internal Medicine
      Experienced in Collagenous Colitis

      Dr. Jennifer M. Garcia-Rabbat
      Internal Medicine

      Discover Health Medical Group 2 Inc

      2950 Northup Way, Suite 210, 
      Bellevue, WA 
       (1.9 miles away)
      425-284-3377
      Experience:
      16+ years
      Languages Spoken:
      English, Filipino, French, Hindi, Spanish
      See accepted insurances
      Accepting New Patients
      Offers Telehealth

      Jennifer Garcia-Rabbat is a primary care provider, practicing in Internal Medicine in Bellevue, Washington. Dr. Garcia-Rabbat has been practicing medicine for over 16 years and is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. Her top areas of expertise are Hypothyroidism, Postmenopausal Osteoporosis, Osteoporosis, and Melorheostosis. Dr. Garcia-Rabbat is currently accepting new patients.

      Advanced in Collagenous Colitis

      Dr. Peggy D. Headstrom
      Gastroenterology
      Advanced in Collagenous Colitis

      Dr. Peggy D. Headstrom
      Gastroenterology
      1145 Broadway, 
      Seattle, WA 
       (5.6 miles away)
      206-329-1760
      Languages Spoken:
      English
      See accepted insurances
      Accepting New Patients
      Offers Telehealth

      Peggy Headstrom is a Gastroenterologist in Seattle, Washington. Dr. Headstrom is rated as an Advanced provider by MediFind in the treatment of Collagenous Colitis. Her top areas of expertise are Familial Adenomatous Polyposis, Trichohepatoenteric Syndrome, Diarrhea, Endoscopy, and Gastrectomy. Dr. Headstrom is currently accepting new patients.

      Advanced in Collagenous Colitis

      Dr. Wataru Tamura
      Gastroenterology
      Advanced in Collagenous Colitis

      Dr. Wataru Tamura
      Gastroenterology

      Puget Sound Gastroenterology PLLC

      11027 Meridian Ave N, Suite 100, 
      Seattle, WA 
       (9.2 miles away)
      206-365-4492
      Languages Spoken:
      English
      See accepted insurances
      Offers Telehealth

      Wataru Tamura is a Gastroenterologist in Seattle, Washington. Dr. Tamura is rated as an Advanced provider by MediFind in the treatment of Collagenous Colitis. His top areas of expertise are Indigestion, Portal Hypertension, Childhood Volvulus, Endoscopy, and Gastrectomy.

      Advanced in Collagenous Colitis

      Dr. Gregory Bernstein
      Gastroenterology
      Advanced in Collagenous Colitis

      Dr. Gregory Bernstein
      Gastroenterology

      Puget Sound Gastroenterology PLLC

      11027 Meridian Ave N, Suite 100, 
      Seattle, WA 
       (9.2 miles away)
      206-365-4492
      Languages Spoken:
      English
      See accepted insurances
      Offers Telehealth

      Gregory Bernstein is a Gastroenterologist in Seattle, Washington. Dr. Bernstein is rated as an Advanced provider by MediFind in the treatment of Collagenous Colitis. His top areas of expertise are Colitis, Viral Gastroenteritis, Tenesmus, and Ulcerative Colitis.

      Advanced in Collagenous Colitis

      Dr. Praveen Guturu
      Gastroenterology
      Advanced in Collagenous Colitis

      Dr. Praveen Guturu
      Gastroenterology

      Puget Sound Gastroenterology PLLC

      11027 Meridian Ave N, Suite 100, 
      Seattle, WA 
       (9.2 miles away)
      206-365-4492
      Languages Spoken:
      English, Hindi, Korean, Telugu, Vietnamese
      See accepted insurances
      Accepting New Patients
      Offers Telehealth

      Praveen Guturu is a Gastroenterologist in Seattle, Washington. Dr. Guturu is rated as an Advanced provider by MediFind in the treatment of Collagenous Colitis. His top areas of expertise are Familial Adenomatous Polyposis, Turcot Syndrome, Gardner Syndrome, Colonoscopy, and Endoscopy. Dr. Guturu is currently accepting new patients.

      Experienced in Collagenous Colitis

      Dr. Qing Zhang
      Gastroenterology
      Experienced in Collagenous Colitis

      Dr. Qing Zhang
      Gastroenterology

      Virginia Mason Medical Center

      4575 Sand Point Way Ne, Suite 108, 
      Seattle, WA 
       (5.3 miles away)
      206-525-8000
      Languages Spoken:
      English, Filipino, Mandarin, Spanish
      See accepted insurances
      Accepting New Patients
      Offers Telehealth

      Qing Zhang is a Gastroenterologist in Seattle, Washington. Dr. Zhang is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. Her top areas of expertise are Encopresis, Bowel Incontinence, Gastroesophageal Reflux Disease (GERD), Endoscopy, and Colonoscopy. Dr. Zhang is currently accepting new patients.

      Experienced in Collagenous Colitis

      Dr. Mahmuda Tasneem
      Internal Medicine
      Experienced in Collagenous Colitis

      Dr. Mahmuda Tasneem
      Internal Medicine

      Virginia Mason Medical Center

      4575 Sand Point Way Ne, Suite 108, 
      Seattle, WA 
       (5.3 miles away)
      206-525-8000
      Languages Spoken:
      English, Japanese, Mandarin, Spanish
      See accepted insurances
      Accepting New Patients
      Offers Telehealth

      Mahmuda Tasneem is a primary care provider, practicing in Internal Medicine in Seattle, Washington. Dr. Tasneem is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. Her top areas of expertise are Obesity, Obesity in Children, Folate Deficiency, and Vitamin B12 Deficiency Anemia. Dr. Tasneem is currently accepting new patients.

      Experienced in Collagenous Colitis

      Dr. Pierre Blais
      Gastroenterology
      Experienced in Collagenous Colitis

      Dr. Pierre Blais
      Gastroenterology

      Virginia Mason Medical Center

      4575 Sand Point Way Ne, Suite 108, 
      Seattle, WA 
       (5.3 miles away)
      206-525-8000
      Languages Spoken:
      English
      See accepted insurances
      Offers Telehealth

      Pierre Blais is a Gastroenterologist in Seattle, Washington. Dr. Blais is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Hiatal Hernia, Congenital Diaphragmatic Hernia, Endoscopy, and Colonoscopy.

      Experienced in Collagenous Colitis

      Dr. Aparna P. Kulkarni
      Gastroenterology
      Experienced in Collagenous Colitis

      Dr. Aparna P. Kulkarni
      Gastroenterology
      1200 12th Ave S, 
      Seattle, WA 
       (5.5 miles away)
      Languages Spoken:
      English
      See accepted insurances
      Accepting New Patients
      Offers Telehealth

      Aparna Kulkarni is a Gastroenterologist in Seattle, Washington. Dr. Kulkarni is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. Her top areas of expertise are Indigestion, Portal Hypertension, Childhood Volvulus, Endoscopy, and Gastrectomy. Dr. Kulkarni is currently accepting new patients.

      Experienced in Collagenous Colitis

      Dr. Lasley Xiong
      Family Medicine
      Experienced in Collagenous Colitis

      Dr. Lasley Xiong
      Family Medicine

      Kaiser Foundation Health Plan Of Washington

      15809 Bear Creek Pkwy, Suite 100, 
      Redmond, WA 
       (5.5 miles away)
      425-882-6100
      Experience:
      16+ years
      Languages Spoken:
      English
      See accepted insurances

      Lasley Xiong is a primary care provider, practicing in Family Medicine in Redmond, Washington. Dr. Xiong has been practicing medicine for over 16 years and is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. Her top area of expertise is Collagenous Colitis.

      Showing 1-20 of 69

      Last Updated: 10/30/2025

      What is the definition of Collagenous Colitis?

      Collagenous colitis is a type of inflammatory bowel disease that affects the colon. It is a form of microscopic colitis, which causes chronic diarrhea. In all forms of microscopic colitis, the colon appears normal or almost normal on colonoscopy, but the inflammation is visible when a biopsy of the colon is examined under a microscope (hence its name). People with this disease usually have between four and nine watery bowel movements per day, but in rare cases may have more than fifteen. Various other symptoms relating to the gastrointestinal system or other body symptoms may also be present. The cause of Collagenous colitis is not known but it is thought to be multifactorial. This means that both genetic and environmental factors may interact to cause a person to develop the disease. The extent to which genes play a role is unclear, but familial cases have been described. Certain medications, such as NSAIDS and proton pump inhibitors, have been reported to cause or trigger the disease in some people. However, strong evidence directly linking these medications to the disease is still lacking.

      When should I see a Collagenous Colitis doctor near Bellevue, WA?

      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 Bellevue, WA?

      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 Collagenous Colitis doctor near Bellevue, WA?

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

      Collagenous Colitis doctor near New York, NY
      Collagenous Colitis doctor near Los Angeles, CA
      Collagenous Colitis doctor near Chicago, IL
      Collagenous Colitis doctor near Houston, TX
      Collagenous Colitis doctor near Phoenix, AZ
      Collagenous Colitis doctor near Philadelphia, PA
      Collagenous Colitis doctor near Atlanta, GA
      Collagenous Colitis doctor near Boston, MA
      Collagenous Colitis doctor near Dallas, TX
      Collagenous Colitis doctor near San Jose, CA

      How does MediFind rank Collagenous Colitis doctors near Bellevue, WA?

      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 Bellevue, WA?

      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 Bellevue, WA?

      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 Bellevue, WA?

      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 Bellevue, WA?

      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 

      Read more about our Content Policy. 

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