The 20 Best Colonoscopy Doctors near Saint Helena, CA

Find the Experts and Specialists who perform Colonoscopy

Last Updated: 04/28/2026

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MediFind found 24 doctor with experience in Colonoscopy near Saint Helena, CA. Of these, 24 are Experienced.

Location
LocationClose
24 providers found
    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology
    6 Woodland Road, Suite 101, 
    Saint Helena, CA 
     (2.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Tegpal Atwal is a Gastroenterologist practicing medicine in Saint Helena, California. Dr. Atwal is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Angiodysplasia of the Colon, Familial Adenomatous Polyposis, Chronic Erosive Gastritis, Gastrectomy, and Colonoscopy. Dr. Atwal is currently accepting new patients.

    Experienced in Colonoscopy
    Hospital Medicine
    Experienced in Colonoscopy
    Hospital Medicine

    Adventist Health St. Helena

    10 Woodland Rd, 
    Saint Helena, CA 
     (2.6 miles away)
    Languages Spoken:
    English

    Brett Halloran is a Hospital Medicine provider practicing medicine in Saint Helena, California. Dr. Halloran is rated as an Experienced provider by MediFind in Colonoscopy. His clinical expertise encompasses Saddle Pulmonary Embolism, Heart Failure with Preserved Ejection Fraction (HFpEF), Endoscopy, and Colonoscopy.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    Office

    1400 Oak Ave, 
    Saint Helena, CA 
     (3.7 miles away)
    Languages Spoken:
    English

    Ioana Bina is a Gastroenterologist practicing medicine in Saint Helena, California. Dr. Bina is rated as an Experienced provider by MediFind in Colonoscopy. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Heartburn, Menetrier Disease, Esophagitis, Gastrectomy, and Endoscopy.

    Learn about our expert tiers
    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology
    500 Doyle Park Drive, Suite 205, 
    Santa Rosa, CA 
     (13.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Joshua Beirne is a Gastroenterologist practicing medicine in Santa Rosa, California. Dr. Beirne is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 22 other conditions, according to our data. His clinical expertise encompasses Familial Adenomatous Polyposis, Gardner Syndrome, Turcot Syndrome, Gastrectomy, and Colonoscopy. Dr. Beirne is currently accepting new patients.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology
    500 Doyle Park Drive, Suite 205, 
    Santa Rosa, CA 
     (13.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Abhinav Koul is a Gastroenterologist practicing medicine in Santa Rosa, California. Dr. Koul is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Cholangiocarcinoma (Bile Duct Cancer), Cholestasis, Bile Duct Stricture, Gastrectomy, and Endoscopy. Dr. Koul is currently accepting new patients.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology
    500 Doyle Park Drive, Suite 205, 
    Santa Rosa, CA 
     (13.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Robert Faust is a Gastroenterologist practicing medicine in Santa Rosa, California. Dr. Faust is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 25 other conditions, according to our data. His clinical expertise encompasses Enlarged Liver, Familial Adenomatous Polyposis, Ascites, Endoscopy, and Gastrectomy. Dr. Faust is currently accepting new patients.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology
    500 Doyle Park Drive, Suite 205, 
    Santa Rosa, CA 
     (13.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Brian Hanson is a Gastroenterologist practicing medicine in Santa Rosa, California. Dr. Hanson is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Angiodysplasia of the Colon, Watermelon Stomach, Familial Adenomatous Polyposis, Gastrectomy, and Endoscopy. Dr. Hanson is currently accepting new patients.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology
    500 Doyle Park Drive, Suite 205, 
    Santa Rosa, CA 
     (13.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Frances Lu is a Gastroenterologist practicing medicine in Santa Rosa, California. Dr. Lu is rated as an Experienced provider by MediFind in Colonoscopy. Her clinical expertise encompasses Familial Adenomatous Polyposis, Gardner Syndrome, Turcot Syndrome, Endoscopy, and Gastrectomy. Dr. Lu is currently accepting new patients.

    Experienced in Colonoscopy
    Hospital Medicine
    Experienced in Colonoscopy
    Hospital Medicine
    1165 Montgomery Drive, 
    Santa Rosa, CA 
     (13.2 miles away)
    Languages Spoken:
    English

    Daniel Kahler is a primary care provider, practicing in Hospital Medicine in Santa Rosa, California. Dr. Kahler is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Ascites, Sepsis, Peptic Ulcer, Gastrostomy, and Ureteroscopy.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology
    1165 Montgomery Drive, 
    Santa Rosa, CA 
     (13.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Razi Arifuddin is a Gastroenterologist practicing medicine in Santa Rosa, California. Dr. Arifuddin is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Familial Colorectal Cancer, Bile Duct Obstruction, Colitis, Endoscopy, and Gastrectomy. Dr. Arifuddin is currently accepting new patients.

    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    4702 Hoen Avenue Care Center

    4702 Hoen Avenue, 
    Santa Rosa, CA 
     (11.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Adina Logan is a primary care provider, practicing in Internal Medicine in Santa Rosa, California. Dr. Logan is rated as an Experienced provider by MediFind in Colonoscopy. Her clinical expertise encompasses Peptic Ulcer, Necrosis, Sepsis, Gastrostomy, and Hip Replacement. Dr. Logan is board certified in Internal Medicine. Dr. Logan is currently accepting new patients.

    Experienced in Colonoscopy
    Family Medicine
    Experienced in Colonoscopy
    Family Medicine
    1162 Montgomery Drive, Suite 2, 
    Santa Rosa, CA 
     (11.6 miles away)
    Experience:
    10+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Sonja Halterman is a Family Medicine provider practicing medicine in Santa Rosa, California. She has been practicing medicine for over 10 years. Dr. Halterman is rated as an Experienced provider by MediFind in Colonoscopy. Her clinical expertise encompasses Pacemaker Implantation and Endoscopy. Dr. Halterman is currently accepting new patients.

    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine
    1515 Montgomery Dr, 
    Santa Rosa, CA 
     (13.0 miles away)
    Languages Spoken:
    English

    Larry Marianella is a primary care provider, practicing in Internal Medicine in Santa Rosa, California. Dr. Marianella is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Iron Deficiency Anemia, Progressive Myoclonic Epilepsy, Lafora Disease, Hip Replacement, and Pacemaker Implantation.

    Experienced in Colonoscopy
    Hospital Medicine
    Experienced in Colonoscopy
    Hospital Medicine
    1165 Montgomery Drive, 
    Santa Rosa, CA 
     (13.2 miles away)
    Languages Spoken:
    English

    Tatiana Kalita is a Hospital Medicine provider practicing medicine in Santa Rosa, California. Dr. Kalita is rated as an Experienced provider by MediFind in Colonoscopy. Her clinical expertise encompasses Gallbladder Disease, Endoscopy, and Gastrostomy.

    Experienced in Colonoscopy
    Hospital Medicine
    Experienced in Colonoscopy
    Hospital Medicine
    1165 Montgomery Drive, 
    Santa Rosa, CA 
     (13.2 miles away)
    Experience:
    18+ years
    Languages Spoken:
    English
    Accepting New Patients

    Indupriya Pallekonda is a Hospital Medicine provider practicing medicine in Santa Rosa, California. She has been practicing medicine for over 18 years. Dr. Pallekonda is rated as an Experienced provider by MediFind in Colonoscopy. Her clinical expertise encompasses Gallbladder Disease, Ureteroscopy, and Endoscopy. Dr. Pallekonda is currently accepting new patients.

    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    Providence Santa Rosa Memorial Hospital

    1165 Montgomery Dr, 
    Santa Rosa, CA 
     (13.2 miles away)
    Languages Spoken:
    English

    Edward Slayden is an Internal Medicine provider practicing medicine in Santa Rosa, California. Dr. Slayden is rated as an Experienced provider by MediFind in Colonoscopy. His clinical expertise encompasses Endoscopy and Ureteroscopy.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    Providence Medical Group Napa-Gastroenterology

    1100 Trancas St Ste 350, 
    Napa, CA 
     (13.3 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Rodney Camp is a Gastroenterologist practicing medicine in Napa, California. Dr. Camp is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Esophageal Varices, Lymphocytic Colitis, Esophagitis, Endoscopy, and Colonoscopy.

    Experienced in Colonoscopy
    General Surgery
    Experienced in Colonoscopy
    General Surgery

    Robert H. Dunham M.D. Inc.

    3434 Villa Ln Ste 260, 
    Napa, CA 
     (13.3 miles away)
    Languages Spoken:
    English

    Mark Potter is a General Surgeon practicing medicine in Napa, California. Dr. Potter is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Familial Colorectal Cancer, Lymphofollicular Hyperplasia, Paget Disease of the Breast, Hernia Surgery, and Gastrectomy.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    Gastroenterology Associates Of Napa Valley

    3443 Villa Ln Ste 4, 
    Napa, CA 
     (13.3 miles away)
    Languages Spoken:
    English

    David Freeto is a Gastroenterologist practicing medicine in Napa, California. Dr. Freeto is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Esophagitis, Barrett Esophagus, Swallowing Difficulty, Endoscopy, and Gastrectomy.

    Experienced in Colonoscopy
    Family Medicine | Hospital Medicine | Emergency Medicine
    Experienced in Colonoscopy
    Family Medicine | Hospital Medicine | Emergency Medicine

    Santa Rosa Medical Center

    401 Bicentennial Way, 
    Santa Rosa, CA 
     (14.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Bruce Espenshade is a Family Medicine specialist and a Hospital Medicine provider practicing medicine in Santa Rosa, California. Dr. Espenshade is rated as an Experienced provider by MediFind in Colonoscopy. His clinical expertise encompasses Liver Failure, Gastrostomy, and Hip Replacement. Dr. Espenshade is currently accepting new patients.

    Showing 1-20 of 24

    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 near Saint Helena, CA?

    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 near Saint Helena, CA?

    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 near Saint Helena, CA?

    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 near Saint Helena, CA?

    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 near Saint Helena, CA?

    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 near Saint Helena, CA?

    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 near Saint Helena, CA?

    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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