The 20 Best Colonoscopy Doctors near pittsburg, CA

Find the Experts and Specialists who perform Colonoscopy

Last Updated: 09/26/2026

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MediFind found 91 doctor with experience in Colonoscopy near pittsburg, CA. Of these, 84 are Experienced, 5 are Advanced, 1 are Distinguished and 1 are Elite.

Location
LocationClose
91 providers found
    Elite in Colonoscopy
    Gastroenterology
    Elite in Colonoscopy
    Gastroenterology
    Referral may be required

    Kaiser Permanente Walnut Creek Medical Center - Gastroenterology

    1515 Newell Avenue, 
    Walnut Creek, CA 
     (12.7 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.

    Distinguished in Colonoscopy
    Interventional Radiology
    Distinguished in Colonoscopy
    Interventional Radiology
    Referral may be required

    John Muir Health Concord Medical Center

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

    Daniel Kim is an Interventional Radiologist practicing medicine in Concord, California. Dr. Kim is rated as a Distinguished provider by MediFind in Colonoscopy. He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Ascites, Thyroid Nodule, Urothelial Cancer, Colonoscopy, and Endoscopy.

    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    Pittsburg-Antioch Medical Group A Professional Corp.

    2220 Gladstone Dr Ste 3, 
    Pittsburg, CA 
     (1.5 miles away)
    Experience:
    44+ years
    Languages Spoken:
    English, Mandarin, Spanish
    Offers Telehealth

    Wengang Zhang is a primary care provider, practicing in Internal Medicine in Pittsburg, California. He has been practicing medicine for over 44 years. 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, Hypertension, Endoscopy, and Colonoscopy.

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

    Kaiser Health Plan Main PHY 551

    3400 Delta Fair Blvd, 
    Antioch, CA 
     (2.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Vivek Venkatakrishnan is a primary care provider, practicing in Internal Medicine in Antioch, California. Dr. Venkatakrishnan 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 Sepsis, Neurotoxicity Syndromes, Gastrointestinal Bleeding, Prostatectomy, and Gastrostomy.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology
    Referral may be required

    Dennis Zai M.D. Inc

    3903 Lone Tree Way Ste 205, 
    Antioch, CA 
     (4.5 miles away)
    Languages Spoken:
    English, Mandarin
    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
    Referral may be required

    Dennis Zai M.D. Inc

    3903 Lone Tree Way Ste 205, 
    Antioch, CA 
     (4.5 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 
     (4.5 miles away)
    Languages Spoken:
    English, Armenian

    Varujan Keledjian is a primary care provider, practicing in Internal Medicine in Antioch, California. Dr. Keledjian 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 Menetrier Disease, Chronic Erosive Gastritis, Gastroesophageal Reflux Disease (GERD), Endoscopy, and Gastrostomy.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology
    Referral may be required
    4053 Lone Tree Way, Suite 201, 
    Antioch, CA 
     (5.8 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 3 other conditions, according to our data. His clinical expertise encompasses Hepatitis D, Hepatitis, Chronic Idiopathic Constipation (CIC), Gastrectomy, and Colonoscopy. Dr. Takyar is board certified in Gastroenterology. Dr. Takyar is currently accepting new patients.

    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    Sutter Delta Medical Center

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

    Rishi Kapila is a primary care provider, practicing in Internal Medicine in Antioch, California. Dr. Kapila 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 Necrosis, Heart Attack, Sepsis, Endoscopy, and Gastrostomy.

    Experienced in Colonoscopy
    Experienced in Colonoscopy
    Referral may be required
    1936 Carlotta Dr, 
    Concord, CA 
     (7.2 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 Stroke, Venous Thromboembolism (VTE), Colonoscopy, and Knee Replacement.

    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    Kaiser Permanente Antioch Medical Center

    4501 Sand Creek Rd, 
    Antioch, CA 
     (7.9 miles away)
    Languages Spoken:
    English

    Jingping Hao is a primary care provider, practicing in Internal Medicine in Antioch, California. Dr. Hao is rated as an Experienced provider by MediFind in Colonoscopy. Her clinical expertise encompasses Sepsis, Pneumonia, Peptic Ulcer, Colonoscopy, and Endoscopy.

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

    Antioch Medical Center

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

    Triveni Abburi is 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 
     (8.0 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
    Family Medicine
    Experienced in Colonoscopy
    Family Medicine

    John Muir Health Concord Medical Center

    2540 East St, 
    Concord, CA 
     (8.7 miles away)
    Languages Spoken:
    English, French, Spanish

    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
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology
    Referral may be required

    John Muir Health Concord Medical Center

    2540 East St, 
    Concord, CA 
     (8.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Drew Schembre is a Gastroenterologist practicing medicine in Concord, California. Dr. Schembre is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 58 other conditions, according to our data. His clinical expertise encompasses Acute Pancreatitis, Childhood Pancreatitis, Achalasia, Endoscopy, and Gastrectomy. Dr. Schembre is currently accepting new patients.

    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    John Muir Health Concord Medical Center

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

    John Hiss is a primary care provider, practicing in Internal Medicine in Concord, California. Dr. Hiss is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 20 other conditions, according to our data. His clinical expertise encompasses Bile Duct Obstruction, Sepsis, End-Stage Renal Disease (ESRD), Colonoscopy, and Ureteroscopy.

    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    John Muir Health Concord Medical Center

    2540 East St, 
    Concord, CA 
     (8.7 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. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses 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 
     (8.7 miles away)
    Languages Spoken:
    English, Vietnamese

    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. She is also highly rated in 10 other conditions, according to our data. Her clinical expertise encompasses 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 
     (8.7 miles away)
    Languages Spoken:
    English

    Brian O'connor-Ii is a primary care provider, practicing in Internal Medicine in Concord, California. Dr. O'connor-Ii 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 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 
     (8.7 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. She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Sepsis, Peptic Ulcer, Necrosis, Bone Marrow Aspiration, and Endoscopy.

    Showing 1-20 of 91

    Last Updated: 09/26/2026

    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 pittsburg, 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 pittsburg, 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 pittsburg, 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 pittsburg, 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 pittsburg, 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 pittsburg, 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 pittsburg, 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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