The 20 Best Colonoscopy Doctors in Oregon, US

Find the Experts and Specialists who perform Colonoscopy

Last Updated: 04/28/2026

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MediFind found 180 doctor with experience in Colonoscopy near Oregon, US. Of these, 175 are Experienced, 3 are Advanced, 1 are Distinguished and 1 are Elite.

Location
LocationClose
180 providers found
    Elite in Colonoscopy
    Gastroenterology
    Elite in Colonoscopy
    Gastroenterology

    University Andrology Lab LLC

    3303 S Bond Ave, 
    Portland, OR 
    Languages Spoken:
    English

    Seth Crockett is a Gastroenterologist in Portland, Oregon. Dr. Crockett is rated as an Elite provider by MediFind in Colonoscopy. His top areas of expertise are Colorectal Cancer, Colorectal Polyps, Sclerosing Mesenteritis, Colonoscopy, and Endoscopy.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    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 Colonoscopy. His top areas of expertise are Hepatitis, Barrett Esophagus, Crohn's Disease, Endoscopy, and Gastrectomy. Dr. Kaynard is currently accepting new patients.

    Distinguished in Colonoscopy
    Gastroenterology
    Distinguished in Colonoscopy
    Gastroenterology

    Office

    3710 SW US Veterans Hospital Rd, 
    Portland, OR 
    Languages Spoken:
    English

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

    Learn about our expert tiers
    Experienced in Colonoscopy
    Colorectal Surgery
    Experienced in Colonoscopy
    Colorectal Surgery

    Asante Physicians Partners Ear Nose & Throat

    537 Union Ave, 
    Grants Pass, OR 
    Languages Spoken:
    English

    Richard Nelson is a Colorectal Surgeon in Grants Pass, Oregon. Dr. Nelson is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Familial Colorectal Cancer, Rectal Prolapse, Bowel Incontinence, Hernia Surgery, and Hemorrhoidectomy.

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

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

    Experienced in Colonoscopy
    General Surgery
    Experienced in Colonoscopy
    General Surgery

    Adventist Health Multi-Specialty Surgical Clinic-Portland

    10000 SE Main St Ste 316, 
    Portland, OR 
    Languages Spoken:
    English

    Jonathan Chun is a General Surgeon in Portland, Oregon. Dr. Chun is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Ogilvie Syndrome, Genital Warts, Colorectal Cancer, Colonoscopy, and Ileostomy.

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

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

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology
    9701 Southwest Barnes Road, Suite 300, 
    Portland, OR 
    Languages Spoken:
    English
    Accepting New Patients

    Brintha Enestvedt is a Gastroenterologist in Portland, Oregon. Dr. Enestvedt is rated as an Experienced provider by MediFind in Colonoscopy. Her top areas of expertise are Bile Duct Obstruction, Bile Duct Stricture, Cholestasis, Endoscopy, and Gastrostomy. Dr. Enestvedt is currently accepting new patients.

    Experienced in Colonoscopy
    General Surgery
    Experienced in Colonoscopy
    General Surgery

    OHSU Hospital

    3181 SW Sam Jackson Park Rd, 
    Portland, OR 
    Languages Spoken:
    English
    Offers Telehealth

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

    Experienced in Colonoscopy
    General Surgery
    Experienced in Colonoscopy
    General Surgery

    OHSU Hospital

    3181 SW Sam Jackson Park Rd, 
    Portland, OR 
    Languages Spoken:
    English
    Offers Telehealth

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

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

    James Regan is a Gastroenterologist in Portland, Oregon. Dr. Regan is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Bile Duct Obstruction, Painful Swallowing, Swallowing Difficulty, Endoscopy, and Gastrectomy. Dr. Regan is currently accepting new patients.

    Experienced in Colonoscopy
    Experienced in Colonoscopy
    10150 Southeast 32nd Avenue, 
    Milwaukie, OR 
    Languages Spoken:
    English
    Offers Telehealth

    Kimya-anhcina Nguyen is a Gastroenterologist in Milwaukie, Oregon. Dr. Nguyen is rated as an Experienced provider by MediFind in Colonoscopy. Her top areas of expertise are Diverticular Disease, Esophagitis, Hemorrhoids, Gastrectomy, and Colonoscopy.

    Experienced in Colonoscopy
    Internal Medicine | Gastroenterology
    Experienced in Colonoscopy
    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 Colonoscopy. Her top areas of expertise are Ulcerative Colitis, Crohn's Disease, Colitis, Colonoscopy, and Endoscopy. Dr. Fausel is currently accepting new patients.

    Experienced in Colonoscopy
    General Surgery
    Experienced in Colonoscopy
    General Surgery
    1304 Montello Avenue, 
    Hood River, OR 
    Languages Spoken:
    English
    Accepting New Patients

    Stephan Coffman is a General Surgeon in Hood River, Oregon. Dr. Coffman is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Diverticular Disease, Hernia, Gallstones, Ileostomy, and Colostomy. Dr. Coffman is currently accepting new patients.

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

    Paul Anderson is a Gastroenterologist in Tualatin, Oregon. Dr. Anderson is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Familial Adenomatous Polyposis, Ulcerative Colitis, Gardner Syndrome, Colonoscopy, and Endoscopy. Dr. Anderson is currently accepting new patients.

    Experienced in Colonoscopy
    Colorectal Surgery
    Experienced in Colonoscopy
    Colorectal Surgery

    Legacy Medical Group-Colon & Rectal Surgery At Good Samaritan

    2222 NW Lovejoy St Ste 601 Office, 
    Portland, OR 
    Languages Spoken:
    English

    Paul Kaminsky is a Colorectal Surgeon in Portland, Oregon. Dr. Kaminsky is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Familial Colorectal Cancer, Proctitis, Rectal Prolapse, Hernia Surgery, and Ureteroscopy.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology
    1111 Crater Lake Avenue, 
    Medford, OR 
    Experience:
    44+ years
    Languages Spoken:
    English
    Accepting New Patients

    Arezoo Taheri is a Gastroenterologist in Medford, Oregon. Dr. Taheri has been practicing medicine for over 44 years and is rated as an Experienced provider by MediFind in Colonoscopy. Her top areas of expertise are Crohn's Disease, Swallowing Difficulty, Painful Swallowing, Endoscopy, and Colonoscopy. Dr. Taheri is currently accepting new patients.

    Experienced in Colonoscopy
    Experienced in Colonoscopy
    4805 Northeast Glisan Street, Suite 11N-1, 
    Portland, OR 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Alison Conlin is an Oncologist in Portland, Oregon. Dr. Conlin is rated as an Experienced provider by MediFind in Colonoscopy. Her top areas of expertise are Breast Cancer, Paget Disease of the Breast, Angiosarcoma, Endoscopy, and Tissue Biopsy. Dr. Conlin is currently accepting new patients.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    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 Colonoscopy. 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 Colonoscopy
    General Surgery
    Experienced in Colonoscopy
    General Surgery

    Ngocthuy Hughes DO PC

    1245 NW 4th St Ste 101, 
    Redmond, OR 
    Languages Spoken:
    English
    Offers Telehealth

    Phuong Nguyen is a General Surgeon in Redmond, Oregon. Dr. Nguyen is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Familial Adenomatous Polyposis, Diverticular Disease, Gardner Syndrome, Hernia Surgery, and Colonoscopy.

    Showing 1-20 of 180

    Last Updated: 04/28/2026

    What is the definition of Colonoscopy?

    A colonoscopy is an exam that views the inside of the colon (large intestine) and rectum, using a tool called a colonoscope.

    The colonoscope has a small camera attached to a flexible tube that can reach the entire length of the colon.

    When should I see a Colonoscopy 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 Colonoscopy 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 Colonoscopy 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 Colonoscopy 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 Colonoscopy 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 Colonoscopy doctor search results page. 

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

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

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