The 20 Best Colonoscopy Doctors near Los Alamitos, CA

Find the Experts and Specialists who perform Colonoscopy

Last Updated: 04/28/2026

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MediFind found 241 doctor with experience in Colonoscopy near Los Alamitos, CA. Of these, 219 are Experienced, 20 are Advanced, 1 are Distinguished and 1 are Elite.

Location
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241 providers found
    Distinguished in Colonoscopy
    Gastroenterology
    Distinguished in Colonoscopy
    Gastroenterology

    Long Beach Gastroenterology Associates

    3833 Worsham Ave Ste 300, 
    Long Beach, CA 
     (2.7 miles away)
    Languages Spoken:
    English

    Mohammed Ali is a Gastroenterologist in Long Beach, California. Dr. Ali is rated as a Distinguished provider by MediFind in Colonoscopy. His top areas of expertise are Colorectal Cancer, Eosinophilic Colitis, Gastroesophageal Reflux Disease (GERD), Colonoscopy, and Endoscopy.

    Advanced in Colonoscopy
    Gastroenterology
    Advanced in Colonoscopy
    Gastroenterology

    Timothy C. Simmons, MD Private Practice

    3816 Woodruff Ave, Ste 411, 
    Long Beach, CA 
     (3.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Our goal is to provide care that is second to none via physicians and staff who are knowledgeable in all aspects of gastroenterology. We believe that this care be delivered through compassion, confidentiality, and understanding of your need for service regardless of race, religion, or economic background. Dr. Simmons is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Gastrointestinal Bleeding, Esophageal Varices, Esophagitis, Gastrectomy, and Gastrostomy.

    Elite in Colonoscopy
    Gastroenterology
    Elite in Colonoscopy
    Gastroenterology

    UCI Health H.H. Chao Comprehensive Digestive Disease Center

    101 The City Dr S Bldg 22C, 
    Orange, CA 
     (11.3 miles away)
    Languages Spoken:
    English

    Jason Samarasena is a Gastroenterologist in Orange, California. Dr. Samarasena is rated as an Elite provider by MediFind in Colonoscopy. His top areas of expertise are Barrett Esophagus, Jaundice, Gastroesophageal Reflux Disease (GERD), Endoscopy, and Colonoscopy.

    Learn about our expert tiers
    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. Her top areas of expertise are Gastrointestinal Bleeding, Sepsis, Atypical Pneumonia, Gastrostomy, and Endoscopy. Dr. Reid is currently accepting new patients.

    Advanced in Colonoscopy
    Gastroenterology
    Advanced in Colonoscopy
    Gastroenterology

    Socal Gastroenterology Corp

    10931 Cherry St, 
    Los Alamitos, CA 
     (0.2 miles away)
    Experience:
    37+ years
    Languages Spoken:
    English

    Joe Chen is a Gastroenterologist in Los Alamitos, California. Dr. Chen has been practicing medicine for over 37 years and is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Menetrier Disease, Chronic Erosive Gastritis, Familial Adenomatous Polyposis, Endoscopy, and Gastrostomy.

    Vannarith So
    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    Prohealth Partners A Medical Group Inc

    1777 N Bellflower Blvd, 
    Long Beach, CA 
     (3.2 miles away)
    Experience:
    25+ years
    Languages Spoken:
    English
    Offers Telehealth

    Vannarith So is a primary care provider, practicing in Internal Medicine in Long Beach, California. Dr. So has been practicing medicine for over 25 years and is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Sepsis, Stroke, Necrosis, Gastrostomy, and Endoscopy.

    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. His top areas of expertise are Sepsis, Peptic Ulcer, Gastroesophageal Reflux Disease (GERD), Colonoscopy, and Endoscopy.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    Socal Gastroenterology Corp

    10931 Cherry St, 
    Los Alamitos, CA 
     (0.2 miles away)
    Experience:
    36+ years
    Languages Spoken:
    English

    Thai-van Nguyen is a Gastroenterologist in Los Alamitos, California. Dr. Nguyen has been practicing medicine for over 36 years and is rated as an Experienced provider by MediFind in Colonoscopy. Her top areas of expertise are Menetrier Disease, Familial Adenomatous Polyposis, Chronic Erosive Gastritis, Gastrectomy, and Gastrostomy.

    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)
    Experience:
    27+ years
    Languages Spoken:
    English
    Offers Telehealth

    Ky Tran is a primary care provider, practicing in Internal Medicine in Los Alamitos, California. Dr. Tran has been practicing medicine for over 27 years and is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Diverticular Disease, Chronic Kidney Disease, Sepsis, Gastrostomy, and Endoscopy.

    Experienced in Colonoscopy
    General Surgery
    Experienced in Colonoscopy
    General Surgery

    Viken Konyalian MD Inc

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

    Viken Konyalian is a General Surgeon in Los Alamitos, California. Dr. Konyalian has been practicing medicine for over 26 years and is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Gallstones, Choledocholithiasis, Retroperitoneal Inflammation, Colostomy, and Hernia Surgery.

    Experienced in Colonoscopy
    Internal Medicine | Psychiatry
    Experienced in Colonoscopy
    Internal Medicine | Psychiatry

    Prohealth Partners A Medical Group Inc

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

    Winston Chung is a primary care provider, practicing in Internal Medicine and Psychiatry in Los Alamitos, California. Dr. Chung has been practicing medicine for over 34 years and is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Ogilvie Syndrome, Necrosis, Heart Attack, Gastrostomy, and Endoscopy.

    Experienced in Colonoscopy
    Endocrinology | Internal Medicine
    Experienced in Colonoscopy
    Endocrinology | Internal Medicine

    Jack Rubin, MD - A Professional Corp.

    10941 Bloomfield St, 
    Los Alamitos, CA 
     (0.5 miles away)
    Experience:
    55+ years
    Languages Spoken:
    English

    Jack Rubin is an Internal Medicine specialist and an Endocrinologist in Los Alamitos, California. Dr. Rubin has been practicing medicine for over 55 years and is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are End-Stage Renal Disease (ESRD), Acute Kidney Failure, Chronic Kidney Disease, Gastrostomy, and Endoscopy.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    Long Beach Center For Clinical Research Inc.

    4772 Katella Ave Ste 200, 
    Los Alamitos, CA 
     (0.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Kashyap Trivedi is a Gastroenterologist in Los Alamitos, California. Dr. Trivedi is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Hemorrhagic Proctocolitis, Ulcerative Colitis, Gastroesophageal Reflux Disease (GERD), Colonoscopy, and Gastrectomy.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    Long Beach Center For Clinical Research Inc.

    4772 Katella Ave Ste 200, 
    Los Alamitos, CA 
     (0.8 miles away)
    Languages Spoken:
    English

    Pavan Mankal is a Gastroenterologist in Los Alamitos, California. Dr. Mankal is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Esophagitis, Gastrointestinal Bleeding, Pseudomembranous Colitis, Gastrectomy, and Endoscopy.

    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. His top areas of expertise are 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 in Hawaiian Gardens, California. Dr. Sacapano is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Schizoaffective Disorder, Liver Failure, Seasonal Affective Disorder (SAD), Gastrostomy, and Endoscopy.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    Long Beach Gastroenterology Associates

    3833 Worsham Ave Ste 300, 
    Long Beach, CA 
     (2.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Saeid Goshtasbi is a Gastroenterologist in Long Beach, California. Dr. Goshtasbi is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Hepatitis, Gardner Syndrome, Familial Adenomatous Polyposis, Endoscopy, and Colonoscopy.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    Long Beach Gastroenterology Associates

    3833 Worsham Ave Ste 300, 
    Long Beach, CA 
     (2.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Erik Kerekes is a Gastroenterologist in Long Beach, California. Dr. Kerekes is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Hemorrhoids, Gastritis, Swallowing Difficulty, Endoscopy, and Gastrectomy.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    Choice Care Inc.

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

    Jonathan Pourmorady is a Gastroenterologist in Garden Grove, California. Dr. Pourmorady is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Gastrointestinal Bleeding, Angiodysplasia of the Colon, Gastroesophageal Reflux Disease (GERD), Gastrectomy, and Endoscopy.

    Experienced in Colonoscopy
    Gastroenterology | Internal Medicine
    Experienced in Colonoscopy
    Gastroenterology | Internal Medicine

    Prohealth Partners A Medical Group Inc.

    3816 Woodruff Ave, 
    Long Beach, CA 
     (3.0 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English
    Offers Telehealth

    Seper Dezfoli is an Internal Medicine specialist and a Gastroenterologist in Long Beach, California. Dr. Dezfoli has been practicing medicine for over 17 years and is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Bacterial Gastroenteritis, Hemorrhoids, Gastroesophageal Reflux Disease (GERD), Colonoscopy, and Gastrectomy.

    Showing 1-20 of 241

    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 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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