The 20 Best Colonoscopy Doctors near yorba linda, CA

Find the Experts and Specialists who perform Colonoscopy

Last Updated: 09/26/2026

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MediFind found 206 doctor with experience in Colonoscopy near yorba linda, CA. Of these, 185 are Experienced, 19 are Advanced and 1 are Elite.

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

    UCI Health Chao Family Comprehensive Digestive Disease Center

    101 The City Drive South, Building 22C, 
    Orange, CA 
     (8.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Jason Samarasena is a Gastroenterologist practicing medicine in Orange, California. Dr. Samarasena is rated as an Elite provider by MediFind in Colonoscopy. He is also highly rated in 50 other conditions, according to our data. His clinical expertise encompasses Barrett Esophagus, Jaundice, Gastroesophageal Reflux Disease (GERD), Endoscopy, and Colonoscopy. Dr. Samarasena is board certified in American Board Of Internal Medicine - Gastroenterology.

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

    Caduceus Medical Group

    18200 Yorba Linda Blvd Ste 104, 
    Yorba Linda, CA 
     (0.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Essam Quraishi is a Gastroenterologist practicing medicine in Yorba Linda, California. Dr. Quraishi is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 45 other conditions, according to our data. His clinical expertise encompasses Chronic Erosive Gastritis, Gastritis, Nonalcoholic Steatohepatitis (NASH), Gastrectomy, and Gastrostomy.

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

    Caduceus Physicians Medical Group

    18200 Yorba Linda Blvd, 
    Yorba Linda, CA 
     (0.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Brian Riff is a Gastroenterologist practicing medicine in Yorba Linda, California. Dr. Riff is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 30 other conditions, according to our data. His clinical expertise encompasses Gastroesophageal Reflux Disease (GERD), Chronic Erosive Gastritis, Campylobacter Infection, Gastrostomy, and Gastrectomy. Dr. Riff is board certified in American Board Of Internal Medicine.

    Learn about our expert tiers
    Experienced in Colonoscopy
    Colorectal Surgery
    Experienced in Colonoscopy
    Colorectal Surgery
    Referral may be required

    UCI Health Chao Family Comprehensive Digestive Disease Center

    101 The City Drive South, Building 22C, 
    Orange, CA 
     (8.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Skandan Shanmugan is a Colorectal Surgeon practicing medicine in Orange, California. Dr. Shanmugan 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, Colorectal Cancer, Lynch Syndrome, Hernia Surgery, and Ileostomy. Dr. Shanmugan is board certified in American Board Of Surgery - Surgery (General Surgery). Dr. Shanmugan is currently accepting new patients.

    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    Uci Health-Placentia Linda

    1301 N Rose Dr, 
    Placentia, CA 
     (1.6 miles away)
    Languages Spoken:
    English

    Abraham Harn is a primary care provider, practicing in Internal Medicine in Placentia, California. Dr. Harn 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 Sepsis, COVID-19, Multisystem Inflammatory Syndrome in Children (MIS-C), Hernia Surgery, and Endoscopy.

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

    The Internal Medical Group

    1050 E Yorba Linda Blvd, 
    Placentia, CA 
     (1.8 miles away)
    Languages Spoken:
    English

    David Chapman is a Gastroenterologist practicing medicine in Placentia, California. Dr. Chapman 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 Diverticular Disease, Painful Swallowing, Swallowing Difficulty, Colonoscopy, and Gastrectomy. Dr. Chapman is board certified in American Board Of Internal Medicine.

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

    Kaiser Permanente Anaheim Kraemer Medical Offices - Gastroenterology Department

    3460 E La Palma Avenue, 
    Anaheim, CA 
     (3.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Andrew Giap is a Gastroenterologist practicing medicine in Anaheim, California. Dr. Giap is rated as an Experienced provider by MediFind in Colonoscopy. His clinical expertise encompasses Pancreatic Cancer, Gastrointestinal Bleeding, Bile Duct Obstruction, Endoscopy, and Colonoscopy. Dr. Giap is currently accepting new patients.

    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    Medical And Healing Arts Inc

    2282 N State College Blvd, 
    Fullerton, CA 
     (4.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Carl Buckhorn is a primary care provider, practicing in Internal Medicine in Fullerton, California. Dr. Buckhorn 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 Acute Kidney Failure, Iron Deficiency Anemia, Sepsis, Gastrostomy, and Colonoscopy. Dr. Buckhorn is board certified in American Board Of Internal Medicine. Dr. Buckhorn is currently accepting new patients.

    Experienced in Colonoscopy
    Family Medicine
    Experienced in Colonoscopy
    Family Medicine

    Howard Pyo-Pyo Familly Clinic Inc.

    2000 E Chapman Ave, 
    Fullerton, CA 
     (4.8 miles away)
    Experience:
    10+ years
    Languages Spoken:
    English
    Offers Telehealth

    Howard Pyo is a primary care provider, practicing in Family Medicine in Fullerton, California. He has been practicing medicine for over 10 years. Dr. Pyo is rated as an Experienced provider by MediFind in Colonoscopy. His clinical expertise encompasses Perianal Streptococcal Cellulitis, Multisystem Inflammatory Syndrome in Children (MIS-C), COVID-19, Endoscopy, and Gastrostomy. Dr. Pyo is board certified in American Board Of Family Medicine.

    Experienced in Colonoscopy
    Family Medicine
    Experienced in Colonoscopy
    Family Medicine
    22716 Mountain Laurel Way, 
    Diamond Bar, CA 
     (6.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Yuan Liu is a primary care provider, practicing in Family Medicine in Diamond Bar, California. Dr. Liu is rated as an Experienced provider by MediFind in Colonoscopy. She is also highly rated in 117 other conditions, according to our data. Her clinical expertise encompasses Lung Adenocarcinoma, Arthritis, Lung Cancer, Tissue Biopsy, and Endoscopy. Dr. Liu is currently accepting new patients.

    Advanced in Colonoscopy
    Internal Medicine
    Advanced in Colonoscopy
    Internal Medicine

    My MD Inc.

    2680 N Santiago Blvd Ste 100, 
    Orange, CA 
     (6.3 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English
    Offers Telehealth

    Mohammad Farukhi is a primary care provider, practicing in Internal Medicine in Orange, California. He has been practicing medicine for over 17 years. Dr. Farukhi is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 43 other conditions, according to our data. His clinical expertise encompasses Sepsis, Necrosis, Stroke, Gastrostomy, and Thyroidectomy.

    Advanced in Colonoscopy
    Internal Medicine
    Advanced in Colonoscopy
    Internal Medicine
    220 Laguna Road, Suite 6, 
    Fullerton, CA 
     (6.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Lutfi Sayyur is a primary care provider, practicing in Internal Medicine in Fullerton, California. Dr. Sayyur is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 31 other conditions, according to our data. His clinical expertise encompasses Sepsis, Necrosis, Stroke, Gastrostomy, and Colonoscopy. Dr. Sayyur is currently accepting new patients.

    Advanced in Colonoscopy
    Gastroenterology
    Advanced in Colonoscopy
    Gastroenterology
    Referral may be required

    Dr P G Rajan MD Inc

    1711 W Romneya Dr, 
    Anaheim, CA 
     (7.9 miles away)
    Languages Spoken:
    English

    Ashokkumar Amin is a Gastroenterologist practicing medicine in Anaheim, California. Dr. Amin is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Gastrointestinal Bleeding, Swallowing Difficulty, Painful Swallowing, Gastrostomy, and Gastrectomy.

    Advanced in Colonoscopy
    Gastroenterology
    Advanced in Colonoscopy
    Gastroenterology
    Referral may be required

    Digestive And Liver Disease Specialists

    1771 W Romneya Dr, 
    Anaheim, CA 
     (8.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Ravindra Alapati is a Gastroenterologist practicing medicine in Anaheim, California. Dr. Alapati is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 40 other conditions, according to our data. His clinical expertise encompasses Visceromegaly, Bile Duct Obstruction, Diverticular Disease, Gastrostomy, and Gastrectomy. Dr. Alapati is board certified in American Board Of Internal Medicine. Dr. Alapati is currently accepting new patients.

    Advanced in Colonoscopy
    Internal Medicine
    Advanced in Colonoscopy
    Internal Medicine

    UCI Health

    101 The City Dr S, 
    Orange, CA 
     (8.2 miles away)
    Languages Spoken:
    English

    Nathan Park is a primary care provider, practicing in Internal Medicine in Orange, California. Dr. Park is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Scrotal Swelling, Testicular Cancer, Gastrointestinal Bleeding, Colonoscopy, and Endoscopy.

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

    UCI Health

    101 The City Dr S, 
    Orange, CA 
     (8.2 miles away)
    Languages Spoken:
    English

    Kenneth Chang is a Gastroenterologist practicing medicine in Orange, California. Dr. Chang 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 Hiatal Hernia, Gastroesophageal Reflux Disease (GERD), Barrett Esophagus, Endoscopy, and Colonoscopy.

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

    UCI Health Chao Family Comprehensive Digestive Disease Center

    101 The City Drive South, Building 22C, 
    Orange, CA 
     (8.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Nimisha Parekh is a Gastroenterologist practicing medicine in Orange, California. Dr. Parekh is rated as an Experienced provider by MediFind in Colonoscopy. She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Crohn's Disease, Ulcerative Colitis, Viral Gastroenteritis, Endoscopy, and Colonoscopy. Dr. Parekh is board certified in American Board Of Internal Medicine - Gastroenterology.

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

    UC Irvine Medical Center

    101 The City Drive South, 
    Orange, CA 
     (8.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    John Lee is a Gastroenterologist practicing medicine in Orange, California. Dr. Lee is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 45 other conditions, according to our data. His clinical expertise encompasses Jaundice, Cholestasis, Bile Duct Stricture, Endoscopy, and Pancreatectomy. Dr. Lee is board certified in American Board Of Internal Medicine - Gastroenterology.

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

    UCI Health Chao Family Comprehensive Digestive Disease Center

    101 The City Drive South, Building 22C, 
    Orange, CA 
     (8.2 miles away)
    Languages Spoken:
    English, Vietnamese
    Offers Telehealth

    Frances Dang is a Gastroenterologist practicing medicine in Orange, California. Dr. Dang is rated as an Experienced provider by MediFind in Colonoscopy. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Colorectal Polyps, Venous Thromboembolism (VTE), Vitamin D Deficiency, Endoscopy, and Colonoscopy. Dr. Dang is board certified in Royal College Of Physicians And Surgeons Of Canada - Internal Medicine and Royal College Of Physicians And Surgeons Of Canada - Gastroenterology.

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

    UCI Health Chao Family Comprehensive Digestive Disease Center

    101 The City Drive South, Building 22C, 
    Orange, CA 
     (8.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Robert Lee is a Gastroenterologist practicing medicine in Orange, California. Dr. Lee 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 Hiatal Hernia, Congenital Diaphragmatic Hernia, Gastroesophageal Reflux Disease (GERD), Colonoscopy, and Endoscopy. Dr. Lee is board certified in American Board Of Internal Medicine - Gastroenterology.

    Showing 1-20 of 206

    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 yorba linda, 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 yorba linda, 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 yorba linda, 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 yorba linda, 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 yorba linda, 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 yorba linda, 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 yorba linda, 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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