The 20 Best Colonoscopy Doctors near los alamitos, CA

Find the Experts and Specialists who perform Colonoscopy

Last Updated: 09/26/2026

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MediFind found 278 doctor with experience in Colonoscopy near los alamitos, CA. Of these, 258 are Experienced, 18 are Advanced and 1 are Elite.

Location
LocationClose
278 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 
     (10.5 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 
     (3.9 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

    Socal Gastroenterology Corp

    10931 Cherry St, 
    Los Alamitos, CA 
     (0.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Joe Chen is a Gastroenterologist practicing medicine in Los Alamitos, California. Dr. Chen is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 33 other conditions, according to our data. His clinical expertise encompasses Menetrier Disease, Chronic Erosive Gastritis, Familial Adenomatous Polyposis, Endoscopy, and Gastrostomy. Dr. Chen is board certified in American Board Of Internal Medicine.

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

    Vannarith So, MD Private Practice

    1777 N Bellflower Blvd, Ste 101, 
    Long Beach, CA 
     (3.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Vannarith So is a primary care provider, practicing in Internal Medicine in Long Beach, California. Dr. So is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 37 other conditions, according to our data. His clinical expertise encompasses Sepsis, Stroke, Necrosis, Gastrostomy, and Endoscopy. Dr. So is board certified in American Board Of Internal Medicine.

    Advanced in Colonoscopy
    Internal Medicine
    Advanced in Colonoscopy
    Internal Medicine

    Babak Gachpaz, MD Private Practice

    Long Beach, CA 
     (4.6 miles away)
    Languages Spoken:
    English, Farsi, German

    Babak Gachpaz is a primary care provider, practicing in Internal Medicine in Long Beach, California. Dr. Gachpaz is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Sepsis, Peptic Ulcer, Gastroesophageal Reflux Disease (GERD), Colonoscopy, and Endoscopy. Dr. Gachpaz is board certified in Internal Medicine.

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

    Socal Gastroenterology Corp

    10931 Cherry St, 
    Los Alamitos, CA 
     (0.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Thai-van Nguyen is a Gastroenterologist practicing medicine in Los Alamitos, California. Dr. Nguyen is rated as an Experienced provider by MediFind in Colonoscopy. She is also highly rated in 19 other conditions, according to our data. Her clinical expertise encompasses Menetrier Disease, Familial Adenomatous Polyposis, Chronic Erosive Gastritis, Gastrectomy, and Gastrostomy. Dr. Nguyen is board certified in American Board Of Internal Medicine.

    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    Ky Minh Tran MD Inc

    3791 Katella Ave, 
    Los Alamitos, CA 
     (0.3 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Ky Tran is a primary care provider, practicing in Internal Medicine in Los Alamitos, California. Dr. Tran 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, Chronic Kidney Disease, Sepsis, Gastrostomy, and Endoscopy. Dr. Tran is board certified in American Board Of Internal Medicine.

    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    Uci Health-Los Alamitos

    3751 Katella Ave, 
    Los Alamitos, CA 
     (0.3 miles away)
    Languages Spoken:
    English

    Jason Fletcher is a primary care provider, practicing in Internal Medicine in Los Alamitos, California. Dr. Fletcher 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 Nephrosclerosis, Sepsis, Gastrointestinal Bleeding, Gastrostomy, and Endoscopy.

    Experienced in Colonoscopy
    Experienced in Colonoscopy
    Referral may be required
    3801 Katella Avenue, Suite 330, 
    Los Alamitos, CA 
     (0.4 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Winston Chung is a Psychiatrist practicing medicine in Los Alamitos, California. Dr. Chung 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 Dementia, Delirium, Vitamin D Deficiency, Gastrostomy, and Endoscopy. Dr. Chung is board certified in American Board Of Internal Medicine and Internal Medicine.

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

    Viken Konyalian MD Inc

    3801 Katella Ave, 
    Los Alamitos, CA 
     (0.4 miles away)
    Languages Spoken:
    English

    Viken Konyalian is a General Surgeon practicing medicine in Los Alamitos, California. Dr. Konyalian 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 Gallstones, Choledocholithiasis, Retroperitoneal Inflammation, Colostomy, and Hernia Surgery. Dr. Konyalian is board certified in American Board Of Surgery.

    Experienced in Colonoscopy
    Endocrinology
    Experienced in Colonoscopy
    Endocrinology
    Referral required

    Medicine And Nephrology Assoc.

    10941 Bloomfield St, Ste A, 
    Los Alamitos, CA 
     (0.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Jack Rubin is an Endocrinologist practicing medicine in Los Alamitos, California. Dr. Rubin 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 End-Stage Renal Disease (ESRD), Obesity, Obesity in Children, Gastrostomy, and Endoscopy. Dr. Rubin is board certified in American Board Of Internal Medicine, Internal Medicine, and Internal Medicine (Sub: Nephrology). Dr. Rubin is currently accepting new patients.

    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    Shivanand R. Pole MD Inc.

    3801 Katella Ave Ste 321, 
    Los Alamitos, CA 
     (0.8 miles away)
    Languages Spoken:
    English

    Robert Melikian is a primary care provider, practicing in Internal Medicine in Los Alamitos, California. Dr. Melikian is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Sepsis, Hospital-Acquired Pneumonia, Atypical Pneumonia, Gastrostomy, and Endoscopy.

    Experienced in Colonoscopy
    General Practice | Emergency Medicine
    Experienced in Colonoscopy
    General Practice | Emergency Medicine

    Gardens Regional Hospital And Medical Center

    21530 Pioneer Blvd, 
    Hawaiian Gardens, CA 
     (2.1 miles away)
    Languages Spoken:
    English

    Manuel Sacapano is an Emergency Medicine provider practicing medicine in Hawaiian Gardens, California. Dr. Sacapano 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 Schizoaffective Disorder, Liver Failure, Seasonal Affective Disorder (SAD), Gastrostomy, and Endoscopy.

    Experienced in Colonoscopy
    Family Medicine
    Experienced in Colonoscopy
    Family Medicine

    Tara Reid, D.O.

    2255 Lakewood Blvd, 
    Long Beach, CA 
     (2.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Tara Reid is a primary care provider, practicing in Family Medicine in Long Beach, California. Dr. Reid 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 Gastrointestinal Bleeding, Sepsis, Atypical Pneumonia, Gastrostomy, and Endoscopy. Dr. Reid is board certified in American Os Bd Family Medicine/OMT. Dr. Reid is currently accepting new patients.

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

    Long Beach Gastroenterology Associates

    3833 Worsham Ave Ste 300, 
    Long Beach, CA 
     (2.7 miles away)
    Languages Spoken:
    English, Central Khmer, Spanish
    Accepting New Patients
    Offers Telehealth

    Erik Kerekes is a Gastroenterologist practicing medicine in Long Beach, California. Dr. Kerekes is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 22 other conditions, according to our data. His clinical expertise encompasses Hemorrhoids, Gastritis, Swallowing Difficulty, Endoscopy, and Gastrectomy. Dr. Kerekes is currently accepting new patients.

    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
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology
    Referral may be required
    3816 Woodruff Avenue, Suite 411, 
    Long Beach, CA 
     (3.0 miles away)
    Languages Spoken:
    English, Farsi, Spanish
    Accepting New Patients
    Offers Telehealth

    Seper Dezfoli is a Gastroenterologist practicing medicine in Long Beach, California. Dr. Dezfoli 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 Bacterial Gastroenteritis, Hemorrhoids, Gastroesophageal Reflux Disease (GERD), Colonoscopy, and Gastrectomy. Dr. Dezfoli is board certified in American Board Of Internal Medicine. Dr. Dezfoli is currently accepting new patients.

    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    Chest And Critical Care Consultants

    5451 La Palma Ave, 
    La Palma, CA 
     (3.6 miles away)
    Languages Spoken:
    English

    Jaya George is a primary care provider, practicing in Internal Medicine in La Palma, California. Dr. George is rated as an Experienced provider by MediFind in Colonoscopy. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Acute Kidney Failure, Ascites, Sepsis, Colonoscopy, and Gastrostomy. Dr. George is board certified in American Board Of Internal Medicine.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology
    Referral may be required
    5471 La Palma Ave, Suite 105, 
    La Palma, CA 
     (3.6 miles away)
    Languages Spoken:
    English

    Norman Kuo is a Gastroenterologist practicing medicine in La Palma, California. Dr. Kuo 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 Colorectal Polyps, Chronic Erosive Gastritis, Ulcerative Colitis, Gastrectomy, and Gastrostomy.

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

    Optum - Airport Plaza

    4910 Airport Plaza Dr, 
    Long Beach, CA 
     (3.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    John Lah is a Gastroenterologist practicing medicine in Long Beach, California. Dr. Lah is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Cholestasis, Bile Duct Obstruction, Bile Duct Stricture, Endoscopy, and Colonoscopy. Dr. Lah is board certified in American Board Of Internal Medicine.

    Showing 1-20 of 278

    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 los alamitos, 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 los alamitos, 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 los alamitos, 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 los alamitos, 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 los alamitos, 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 los alamitos, 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 los alamitos, 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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