The 20 Best Colonoscopy Doctors near Antioch, CA

Find the Experts and Specialists who perform Colonoscopy

Last Updated: 04/28/2026

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MediFind found 62 doctor with experience in Colonoscopy near Antioch, CA. Of these, 56 are Experienced, 5 are Advanced and 1 are Elite.

Location
LocationClose
62 providers found
    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology
    4053 Lone Tree Way, Suite 201, 
    Antioch, CA 
     (2.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Varun Takyar is a Gastroenterologist practicing medicine in Antioch, California. Dr. Takyar 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 Hepatitis D, Hepatitis, Opioid Induced Constipation, Colonoscopy, and Endoscopy. Dr. Takyar is board certified in Gastroenterology. Dr. Takyar is currently accepting new patients.

    Elite in Colonoscopy
    Gastroenterology
    Elite in Colonoscopy
    Gastroenterology

    Kaiser Permanente Walnut Creek Medical Center - Gastroenterology

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

    Theodore Levin is a Gastroenterologist practicing medicine in Walnut Creek, California. Dr. Levin is rated as an Elite provider by MediFind in Colonoscopy. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Colorectal Cancer, Familial Colorectal Cancer, Turcot Syndrome, Colonoscopy, and Endoscopy. Dr. Levin is currently accepting new patients.

    Advanced in Colonoscopy
    Gastroenterology
    Advanced in Colonoscopy
    Gastroenterology

    Brentwood Care Center

    350 John Muir Parkway, Suite 175, 
    Brentwood, CA 
     (7.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Ram Gollapudi is a Gastroenterologist practicing medicine in Brentwood, California. Dr. Gollapudi is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Ascites, Hepatitis, Gastrointestinal Bleeding, Gastrectomy, and Colonoscopy. Dr. Gollapudi is board certified in Gastroenterology. Dr. Gollapudi is currently accepting new patients.

    Learn about our expert tiers
    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    Dennis Zai M.D. Inc

    3903 Lone Tree Way Ste 205, 
    Antioch, CA 
     (0.7 miles away)
    Languages Spoken:
    English

    Kalyani Maganti is a Gastroenterologist practicing medicine in Antioch, California. Dr. Maganti is rated as an Experienced provider by MediFind in Colonoscopy. She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Familial Adenomatous Polyposis, Turcot Syndrome, Gardner Syndrome, Endoscopy, and Gastrectomy.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    Dennis Zai M.D. Inc

    3903 Lone Tree Way Ste 205, 
    Antioch, CA 
     (0.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Jenny Jew is a Gastroenterologist practicing medicine in Antioch, California. Dr. Jew 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 Familial Adenomatous Polyposis, Angiodysplasia of the Colon, Diverticular Disease, Gastrectomy, and Endoscopy.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    Dennis Zai M.D. Inc

    3903 Lone Tree Way Ste 205, 
    Antioch, CA 
     (0.7 miles away)
    Languages Spoken:
    English

    Alex Aslan is a Gastroenterologist practicing medicine in Antioch, California. Dr. Aslan 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 Berdon Syndrome, Anal Fissure, Gardner Syndrome, Gastrectomy, and Colonoscopy.

    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    Dennis Zai M.D. Inc

    3903 Lone Tree Way Ste 205, 
    Antioch, CA 
     (0.7 miles away)
    Languages Spoken:
    English

    Varujan Keledjian is an Internal Medicine provider practicing medicine in Antioch, California. Dr. Keledjian is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Familial Adenomatous Polyposis, Gardner Syndrome, Turcot Syndrome, Endoscopy, and Gastrostomy.

    Experienced in Colonoscopy
    Hospital Medicine
    Experienced in Colonoscopy
    Hospital Medicine

    Sutter Delta Medical Center

    3901 Lone Tree Way, 
    Antioch, CA 
     (1.6 miles away)
    Languages Spoken:
    English

    Steven Verbinski is a Hospital Medicine provider practicing medicine in Antioch, California. Dr. Verbinski is rated as an Experienced provider by MediFind in Colonoscopy. His clinical expertise encompasses Liver Failure, End-Stage Renal Disease (ESRD), Endoscopy, and Gastrostomy.

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

    Antioch Medical Center

    4501 Sand Creek Road, 
    Antioch, CA 
     (4.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Triveni Abburi is an Internal Medicine specialist and a Hospital Medicine provider practicing medicine in Antioch, California. Dr. Abburi is rated as an Experienced provider by MediFind in Colonoscopy. Her clinical expertise encompasses Gallbladder Disease, Heart Failure with Preserved Ejection Fraction (HFpEF), Gastrostomy, and Colonoscopy. Dr. Abburi is currently accepting new patients.

    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    Antioch Medical Center

    4501 Sand Creek Road, 
    Antioch, CA 
     (4.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Felix Litvak is a primary care provider, practicing in Internal Medicine in Antioch, California. Dr. Litvak is rated as an Experienced provider by MediFind in Colonoscopy. His clinical expertise encompasses Sepsis, Gastrointestinal Bleeding, Hypertensive Heart Disease, Gastrostomy, and Endoscopy. Dr. Litvak is currently accepting new patients.

    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    Pittsburg-Antioch Medical Group A Professional Corp.

    2220 Gladstone Dr Ste 3, 
    Pittsburg, CA 
     (5.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Wengang Zhang is a primary care provider, practicing in Internal Medicine in Pittsburg, California. Dr. Zhang 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 Heart Attack, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, Endoscopy, and Colonoscopy.

    Experienced in Colonoscopy
    Colorectal Surgery
    Experienced in Colonoscopy
    Colorectal Surgery

    Office

    1479 Ygnacio Valley Rd Ste 200, 
    Walnut Creek, CA 
     (12.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Salvador Guevara is a Colorectal Surgeon practicing medicine in Walnut Creek, California. Dr. Guevara is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Rectal Prolapse, Anal Fissure, Proctitis, Bladder Reconstruction, and Hernia Surgery.

    Experienced in Colonoscopy
    Colorectal Surgery
    Experienced in Colonoscopy
    Colorectal Surgery

    Office

    1479 Ygnacio Valley Rd Ste 200, 
    Walnut Creek, CA 
     (12.8 miles away)
    Languages Spoken:
    English

    Piyush Aggarwal is a Colorectal Surgeon practicing medicine in Walnut Creek, California. Dr. Aggarwal is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Mesenteric Venous Thrombosis, Hemorrhoids, Bowel Incontinence, Bladder Reconstruction, and Hernia Surgery.

    Advanced in Colonoscopy
    Gastroenterology
    Advanced in Colonoscopy
    Gastroenterology

    Office

    1479 Ygnacio Valley Rd Ste 150, 
    Walnut Creek, CA 
     (12.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Kanwar Gill is a Gastroenterologist practicing medicine in Walnut Creek, California. Dr. Gill is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 86 other conditions, according to our data. His clinical expertise encompasses Gastroesophageal Reflux Disease (GERD), Familial Adenomatous Polyposis, Angiodysplasia of the Colon, Gastrectomy, and Colonoscopy.

    Advanced in Colonoscopy
    Advanced in Colonoscopy

    Pacific Urology A Medical Corporation

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

    Wei Zheng is a Urologist practicing medicine in Concord, California. Dr. Zheng is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 42 other conditions, according to our data. His clinical expertise encompasses Prostate Cancer, Familial Prostate Cancer, Menopause, Endoscopy, and Ureteroscopy.

    Advanced in Colonoscopy
    Gastroenterology
    Advanced in Colonoscopy
    Gastroenterology

    John Muir Medical Center Walnut Creek

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

    Matthew Chin is a Gastroenterologist practicing medicine in Walnut Creek, California. Dr. Chin is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 44 other conditions, according to our data. His clinical expertise encompasses Bile Duct Obstruction, Familial Adenomatous Polyposis, Juvenile Polyposis Syndrome, Endoscopy, and Colonoscopy.

    Advanced in Colonoscopy
    Gastroenterology
    Advanced in Colonoscopy
    Gastroenterology

    Gagnon Vision Medical Group Inc.

    5575 W Las Positas Blvd Ste 320, 
    Pleasanton, CA 
     (15.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Phillip Wolfe is a Gastroenterologist practicing medicine in Pleasanton, California. Dr. Wolfe is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Diarrhea, Trichohepatoenteric Syndrome, Familial Adenomatous Polyposis, Gastrectomy, and Colonoscopy.

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

    Gary Collins is a Physiatrist practicing medicine in Concord, California. Dr. Collins is rated as an Experienced provider by MediFind in Colonoscopy. His clinical expertise encompasses Venous Thromboembolism (VTE), Stroke, Endoscopy, and Knee Replacement.

    Experienced in Colonoscopy
    Family Medicine
    Experienced in Colonoscopy
    Family Medicine

    John Muir Health Concord Medical Center

    2540 East St, 
    Concord, CA 
     (12.5 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. She is also highly rated in 14 other conditions, according to our data. Her clinical expertise encompasses 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 
     (12.5 miles away)
    Languages Spoken:
    English

    John Hiss is an Internal Medicine provider practicing medicine in Concord, California. Dr. Hiss 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 End-Stage Renal Disease (ESRD), Heart Failure with Preserved Ejection Fraction (HFpEF), Liver Failure, Colonoscopy, and Ureteroscopy.

    Showing 1-20 of 62

    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 Antioch, 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 Antioch, 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 Antioch, 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 Antioch, 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 Antioch, 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 Antioch, 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 Antioch, 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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