The 20 Best Colonoscopy Doctors near westminster, CA

Find the Experts and Specialists who perform Colonoscopy

Last Updated: 09/26/2026

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MediFind found 269 doctor with experience in Colonoscopy near westminster, CA. Of these, 250 are Experienced, 17 are Advanced and 1 are Elite.

Location
LocationClose
269 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 
     (6.0 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
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    Rosalia Osias, MD Inc.

    3340 W Ball Rd, 
    Anaheim, CA 
     (4.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Rosalia Osias is a primary care provider, practicing in Internal Medicine in Anaheim, California. Dr. Osias is rated as an Experienced provider by MediFind in Colonoscopy. She is also highly rated in 8 other conditions, according to our data. Her clinical expertise encompasses Atherosclerosis, Coronary Heart Disease, Chronic Kidney Disease, Gastrostomy, and Pacemaker Implantation. Dr. Osias is board certified in American Board Of Internal Medicine. Dr. Osias is currently accepting new patients.

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

    Long Phi Dang MD Inc

    7891 Westminster Blvd, 
    Westminster, CA 
     (0.1 miles away)
    Languages Spoken:
    English

    Long Dang is a Gastroenterologist practicing medicine in Westminster, California. Dr. Dang is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 57 other conditions, according to our data. His clinical expertise encompasses Chronic Erosive Gastritis, Gastritis, Gastrointestinal Bleeding, Gastrectomy, and Gastrostomy. Dr. Dang is board certified in American Board Of Gastroentrology.

    Learn about our expert tiers
    Advanced in Colonoscopy
    Gastroenterology
    Advanced in Colonoscopy
    Gastroenterology
    Referral may be required
    11922 Seacrest Drive, Suite A, 
    Garden Grove, CA 
     (3.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Syam Gaddam is a Gastroenterologist practicing medicine in Garden Grove, California. Dr. Gaddam 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 Hepatitis, Painful Swallowing, Swallowing Difficulty, Gastrostomy, and Gastrectomy. Dr. Gaddam is board certified in American Board Of Internal Medicine. Dr. Gaddam is currently accepting new patients.

    Advanced in Colonoscopy
    Internal Medicine
    Advanced in Colonoscopy
    Internal Medicine

    House Call Medical Associates Inc.

    12865 Main St Ste 105, 
    Garden Grove, CA 
     (3.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Dat Nguyen is a primary care provider, practicing in Internal Medicine in Garden Grove, California. Dr. Nguyen is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 26 other conditions, according to our data. His clinical expertise encompasses Sepsis, Stroke, Gastritis, Gastrostomy, and Endoscopy.

    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 
     (6.0 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
    Pulmonary Medicine
    Experienced in Colonoscopy
    Pulmonary Medicine
    Referral may be required

    Pathway Medical Group

    7955 Westminster Blvd, 
    Westminster, CA 
     (0.1 miles away)
    Languages Spoken:
    English

    Khaled Chan is a Pulmonary Medicine provider practicing medicine in Westminster, California. Dr. Chan 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 Pneumonia, Atypical Pneumonia, Hospital-Acquired Pneumonia, Gastrostomy, and Endoscopy. Dr. Chan is board certified in American Board Of Internal Medicine.

    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    Thuan H. Vo MD A Medical Corp.

    9024 Bolsa Ave, 
    Westminster, CA 
     (1.5 miles away)
    Languages Spoken:
    English

    Thuan Vo is a primary care provider, practicing in Internal Medicine in Westminster, California. Dr. Vo is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Parinaud Oculoglandular Syndrome, Tracheitis, Sitosterolemia, Gastrostomy, and Colonoscopy.

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

    Office

    7677 Center Ave Ste 201, 
    Huntington Beach, CA 
     (2.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Saeid Goshtasbi is a Gastroenterologist practicing medicine in Huntington Beach, California. Dr. Goshtasbi 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 Hepatitis, Gardner Syndrome, Familial Adenomatous Polyposis, Endoscopy, and Colonoscopy.

    Experienced in Colonoscopy
    Experienced in Colonoscopy
    Referral may be required

    Choice Care Inc.

    12495 Valley View St, 
    Garden Grove, CA 
     (2.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Jonathan Pourmorady is a Gastroenterologist practicing medicine in Garden Grove, California. Dr. Pourmorady 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 Gastrointestinal Bleeding, Angiodysplasia of the Colon, Gastroesophageal Reflux Disease (GERD), Gastrectomy, and Endoscopy.

    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine
    12665 Garden Grove Boulevard, Suite 503, 
    Garden Grove, CA 
     (3.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Chaewon Song is a primary care provider, practicing in Internal Medicine in Garden Grove, California. Dr. Song is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 24 other conditions, according to our data. His clinical expertise encompasses Osteomyelitis in Children, Hypertension, Familial Hypertension, Gastrostomy, and Colonoscopy. Dr. Song is currently accepting new patients.

    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    Office

    17692 Beach Blvd Ste 302, 
    Huntington Beach, CA 
     (3.7 miles away)
    Languages Spoken:
    English

    Meera Sohail is a primary care provider, practicing in Internal Medicine in Huntington Beach, California. Dr. Sohail is rated as an Experienced provider by MediFind in Colonoscopy. She is also highly rated in 18 other conditions, according to our data. Her clinical expertise encompasses Schizoaffective Disorder, Apoplexy, Heart Attack, Gastrostomy, and Endoscopy.

    Experienced in Colonoscopy
    Family Medicine
    Experienced in Colonoscopy
    Family Medicine

    Proactive Care Nursing Inc

    17822 Beach Blvd Ste 400, 
    Huntington Beach, CA 
     (3.9 miles away)
    Languages Spoken:
    English

    Hung Chung is a primary care provider, practicing in Family Medicine in Huntington Beach, California. Dr. Chung is rated as an Experienced provider by MediFind in Colonoscopy. His clinical expertise encompasses Sepsis, Familial Multiple Lipomatosis, Adiposis Dolorosa, Gastrostomy, and Colonoscopy.

    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    Office

    17360 Brookhurst St, 
    Fountain Valley, CA 
     (3.9 miles away)
    Languages Spoken:
    English

    Kimberly Motta is a primary care provider, practicing in Internal Medicine in Fountain Valley, California. Dr. Motta is rated as an Experienced provider by MediFind in Colonoscopy. She is also highly rated in 7 other conditions, according to our data. Her clinical expertise encompasses Properdin Deficiency, Thiopurine S-Methyltransferase Deficiency, Hyperphenylalaninemia Due to Dehydratase Deficiency, Gastrostomy, and Hip Replacement.

    Experienced in Colonoscopy
    Colorectal Surgery
    Experienced in Colonoscopy
    Colorectal Surgery
    Referral may be required

    Tam H. Le MD Inc.

    18225 Brookhurst St Ste 1, 
    Fountain Valley, CA 
     (4.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Tam Le is a Colorectal Surgeon practicing medicine in Fountain Valley, California. Dr. Le is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Hernia, Familial Colorectal Cancer, Colorectal Cancer, Hemorrhoidectomy, and Hernia Surgery. Dr. Le is currently accepting new patients.

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

    Jose Luis (Jeric) Aranez, MD

    18035 Brookhurst St Ste 2100, 
    Fountain Valley, CA 
     (4.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Jose Aranez is a Gastroenterologist practicing medicine in Fountain Valley, California. Dr. Aranez is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Bile Duct Obstruction, Hemorrhoids, Chronic Erosive Gastritis, Endoscopy, and Pancreatectomy. Dr. Aranez is currently accepting new patients.

    Experienced in Colonoscopy
    Family Medicine
    Experienced in Colonoscopy
    Family Medicine

    Robert A Devereaux MD

    11100 Warner Ave Ste 100, 
    Fountain Valley, CA 
     (4.0 miles away)
    Languages Spoken:
    English

    Robert Devereaux is a primary care provider, practicing in Family Medicine in Fountain Valley, California. Dr. Devereaux 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 Hand-Foot-Mouth Disease (HFMD), Tracheitis, Lymphangitis, Gastrostomy, and Endoscopy.

    Experienced in Colonoscopy
    Family Medicine
    Experienced in Colonoscopy
    Family Medicine

    Kaiser Permanente Huntington Beach Medical Offices

    18081 Beach Blvd, 
    Huntington Beach, CA 
     (4.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Evis Baftjari is a primary care provider, practicing in Family Medicine in Huntington Beach, California. Dr. Baftjari is rated as an Experienced provider by MediFind in Colonoscopy. She is also highly rated in 3 other conditions, according to our data. Her clinical expertise encompasses Gangrene, Sepsis, Rhabdomyolysis, Colonoscopy, and Ureteroscopy. Dr. Baftjari is currently accepting new patients.

    Experienced in Colonoscopy
    Experienced in Colonoscopy
    Referral may be required

    David S Kramer MD A Professional Corpora

    3356 W Ball Rd, 
    Anaheim, CA 
     (4.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    David Kramer is a Cardiologist practicing medicine in Anaheim, California. Dr. Kramer 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 Short QT Syndrome, Brugada Syndrome, Postural Orthostatic Tachycardia Syndrome (POTS), Gastrostomy, and Colonoscopy. Dr. Kramer is board certified in American Board Of Internal Medicine. Dr. Kramer is currently accepting new patients.

    Experienced in Colonoscopy
    Family Medicine | Internal Medicine
    Experienced in Colonoscopy
    Family Medicine | Internal Medicine

    Ali R Tajik MD Inc

    3400 W Ball Rd, 
    Anaheim, CA 
     (4.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Ali Tajik is a primary care provider, practicing in Family Medicine and Internal Medicine in Anaheim, California. Dr. Tajik 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 Hypertension, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, Gastrostomy, and Colonoscopy. Dr. Tajik is board certified in American Board Of Family Medicine.

    Showing 1-20 of 269

    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 westminster, 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 westminster, 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 westminster, 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 westminster, 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 westminster, 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 westminster, 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 westminster, 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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