The 20 Best Colonoscopy Doctors near Concord, CA

Find the Experts and Specialists who perform Colonoscopy

Last Updated: 02/22/2026

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MediFind found 74 doctor with experience in Colonoscopy near Concord, CA. Of these, 68 are Experienced, 5 are Advanced and 1 are Elite.

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

    Kaiser Permanente Walnut Creek Medical Center - Gastroenterology

    1515 Newell Avenue, 
    Walnut Creek, CA 
     (6.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Theodore Levin is a Gastroenterologist in Walnut Creek, California. Dr. Levin is rated as an Elite provider by MediFind in Colonoscopy. His top areas of expertise are Colorectal Cancer, Familial Colorectal Cancer, Turcot Syndrome, Colonoscopy, and Endoscopy. Dr. Levin is currently accepting new patients.

    Advanced in Colonoscopy
    Advanced in Colonoscopy

    Pacific Urology A Medical Corporation

    2222 East St Ste 250, 
    Concord, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Wei Zheng is a Urologist in Concord, California. Dr. Zheng is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Prostate Cancer, Familial Prostate Cancer, Menopause, Endoscopy, and Colonoscopy.

    Advanced in Colonoscopy
    Gastroenterology
    Advanced in Colonoscopy
    Gastroenterology

    John Muir Medical Center Walnut Creek

    1601 Ygnacio Valley Rd, 
    Walnut Creek, CA 
     (4.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Matthew Chin is a Gastroenterologist in Walnut Creek, California. Dr. Chin is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Bile Duct Obstruction, Familial Adenomatous Polyposis, Cronkhite-Canada Disease, Endoscopy, and Colonoscopy.

    Learn about our expert tiers
    Experienced in Colonoscopy
    Family Medicine
    Experienced in Colonoscopy
    Family Medicine

    John Muir Health Concord Medical Center

    2540 East St, 
    Concord, CA 
     (0.4 miles away)
    Languages Spoken:
    English

    Angel Parker is a primary care provider, practicing in Family Medicine in Concord, California. Dr. Parker is rated as an Experienced provider by MediFind in Colonoscopy. Her top areas of expertise are Sepsis, Stroke, Peptic Ulcer, Colonoscopy, and Pacemaker Implantation.

    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    John Muir Health Concord Medical Center

    2540 East St, 
    Concord, CA 
     (0.4 miles away)
    Languages Spoken:
    English

    John Hiss is an Internal Medicine provider in Concord, California. Dr. Hiss is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are End-Stage Renal Disease (ESRD), Heart Failure with Preserved Ejection Fraction (HFpEF), Liver Failure, Colonoscopy, and Ureteroscopy.

    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    John Muir Health Concord Medical Center

    2540 East St, 
    Concord, CA 
     (0.4 miles away)
    Languages Spoken:
    English

    Jonathan Tse is a primary care provider, practicing in Internal Medicine in Concord, California. Dr. Tse is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Sepsis, Peptic Ulcer, Necrosis, Gastrostomy, and Colonoscopy.

    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    John Muir Health Concord Medical Center

    2540 East St, 
    Concord, CA 
     (0.4 miles away)
    Languages Spoken:
    English

    Uyen-chi Huynh is a primary care provider, practicing in Internal Medicine in Concord, California. Dr. Huynh is rated as an Experienced provider by MediFind in Colonoscopy. Her top areas of expertise are Osteomyelitis in Children, Sepsis, Peptic Ulcer, Gastrostomy, and Endoscopy.

    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    John Muir Health Concord Medical Center

    2540 East St, 
    Concord, CA 
     (0.4 miles away)
    Languages Spoken:
    English

    Brian O'connor is a primary care provider, practicing in Internal Medicine in Concord, California. Dr. O'connor is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Sepsis, Peptic Ulcer, Stroke, Ureteroscopy, and Pacemaker Implantation.

    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    John Muir Health Concord Medical Center

    2540 East St, 
    Concord, CA 
     (0.4 miles away)
    Languages Spoken:
    English

    Mandakini Patel is a primary care provider, practicing in Internal Medicine in Concord, California. Dr. Patel is rated as an Experienced provider by MediFind in Colonoscopy. Her top areas of expertise are Sepsis, Peptic Ulcer, Necrosis, Bone Marrow Aspiration, and Endoscopy.

    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    John Muir Health Concord Medical Center

    2540 East St, 
    Concord, CA 
     (0.4 miles away)
    Languages Spoken:
    English

    Mike Bannout is an Internal Medicine provider in Concord, California. Dr. Bannout is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Heart Failure with Preserved Ejection Fraction (HFpEF), Liver Failure, Gallbladder Disease, Ureteroscopy, and Pacemaker Implantation.

    Experienced in Colonoscopy
    Experienced in Colonoscopy
    1936 Carlotta Dr, 
    Concord, CA 
     (1.1 miles away)
    Languages Spoken:
    English

    Gary Collins is a Physiatrist in Concord, California. Dr. Collins is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Venous Thromboembolism (VTE), Stroke, Colonoscopy, and Knee Replacement.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    Office

    2485 High School Ave Ste 306, 
    Concord, CA 
     (1.2 miles away)
    Languages Spoken:
    English

    David Varon is a Gastroenterologist in Concord, California. Dr. Varon is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Gastroparesis, Irritable Bowel Syndrome (IBS), Gastric Dysmotility, Colonoscopy, and Gastrectomy.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    Curtis A Raskin MD Inc

    2700 Grant St Ste 310, 
    Concord, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Tedmond Szeto is a Gastroenterologist in Concord, California. Dr. Szeto is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Childhood Volvulus, Hemorrhoids, Berdon Syndrome, Gastrectomy, and Colonoscopy.

    Experienced in Colonoscopy
    Internal Medicine | Hospital Medicine
    Experienced in Colonoscopy
    Internal Medicine | Hospital Medicine

    Park Shadelands Medical Offices

    320 Lennon Ln, 
    Walnut Creek, CA 
     (3.7 miles away)
    Languages Spoken:
    English

    Naleena Sidhu is an Internal Medicine specialist and a Hospital Medicine provider in Walnut Creek, California. Dr. Sidhu is rated as an Experienced provider by MediFind in Colonoscopy. Her top areas of expertise are Febrile Neutropenia, Colonoscopy, and Bone Marrow Aspiration.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    Advanced Sleep Diagnostics Inc.

    2637 Shadelands Dr, 
    Walnut Creek, CA 
     (3.8 miles away)
    Languages Spoken:
    English

    Will Lane is a Gastroenterologist in Walnut Creek, California. Dr. Lane is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Esophagitis, Gastrointestinal Bleeding, Mallory-Weiss Syndrome, Gastrectomy, and Colonoscopy.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    Advanced Sleep Diagnostics Inc.

    2637 Shadelands Dr, 
    Walnut Creek, CA 
     (3.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Rishi Sharma is a Gastroenterologist in Walnut Creek, California. Dr. Sharma is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Hemorrhoids, Choledocholithiasis, Familial Adenomatous Polyposis, Gastrectomy, and Endoscopy.

    Experienced in Colonoscopy
    Experienced in Colonoscopy

    Advanced Sleep Diagnostics Inc.

    2637 Shadelands Dr, 
    Walnut Creek, CA 
     (3.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Andrew Smith is a Urologist in Walnut Creek, California. Dr. Smith is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Enlarged Prostate (BPH), Eunuchoidism Familial Hypogonadotropic, Male Pseudohermaphroditism with Gynecomastia, Ureteroscopy, and Colonoscopy.

    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    Kidney Transplant At Walnut Creek

    1450 Treat Blvd, 
    Walnut Creek, CA 
     (4.1 miles away)
    Languages Spoken:
    English

    Jessica Clima is a primary care provider, practicing in Internal Medicine in Walnut Creek, California. Dr. Clima is rated as an Experienced provider by MediFind in Colonoscopy. Her top areas of expertise are Sepsis, Peptic Ulcer, Necrosis, Gastrostomy, and Colonoscopy.

    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    John Muir Medical Center Walnut Creek

    1601 Ygnacio Valley Rd, 
    Walnut Creek, CA 
     (4.8 miles away)
    Languages Spoken:
    English

    Mariel Pastrana is an Internal Medicine provider in Walnut Creek, California. Dr. Pastrana is rated as an Experienced provider by MediFind in Colonoscopy. Her top areas of expertise are Heart Failure with Preserved Ejection Fraction (HFpEF), Gallbladder Disease, Liver Failure, Colonoscopy, and Gastrostomy.

    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    John Muir Medical Center Walnut Creek

    1601 Ygnacio Valley Rd, 
    Walnut Creek, CA 
     (4.8 miles away)
    Languages Spoken:
    English

    Viktoriya Sharp is a primary care provider, practicing in Internal Medicine in Walnut Creek, California. Dr. Sharp is rated as an Experienced provider by MediFind in Colonoscopy. Her top areas of expertise are Stroke, Sepsis, Pneumocystis Jiroveci Pneumonia, Hip Replacement, and Colonoscopy.

    Showing 1-20 of 74

    Last Updated: 02/22/2026

    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 Concord, 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 Concord, 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 Concord, 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 Concord, 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 Concord, 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 Concord, 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 Concord, 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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