The 20 Best Colonoscopy Doctors near Irvine, CA

Find the Experts and Specialists who perform Colonoscopy

Last Updated: 02/22/2026

Save doctors for later
Sign Up
Not sure about your diagnosis?
Check Your Symptoms
Already have a doctor?
Find A Second Opinion

MediFind found 173 doctor with experience in Colonoscopy near Irvine, CA. Of these, 155 are Experienced, 16 are Advanced, 1 are Distinguished and 1 are Elite.

Location
LocationClose
173 providers found
    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 
     (7.7 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.

    Imran Sharief
    Experienced in Colonoscopy
    Pulmonary Medicine | Sleep Medicine
    Experienced in Colonoscopy
    Pulmonary Medicine | Sleep Medicine

    Imran Sharief, MD Private Practice

    1901 E 4th St, 
    Santa Ana, CA 
     (4.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    I seek to provide the most complete care to my patients in a caring and respectful way. Dr. Sharief is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Hospital-Acquired Pneumonia, Atypical Pneumonia, Pneumonia, Obstructive Sleep Apnea, and Colonoscopy.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology
    17400 Irvine Boulevard, Suite F, 
    Tustin, CA 
     (3.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Khaldoun Debian is a Gastroenterologist in Tustin, California. Dr. Debian is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Gardner Syndrome, Familial Adenomatous Polyposis, Turcot Syndrome, Endoscopy, and Gastrectomy. Dr. Debian is currently accepting new patients.

    Learn about our expert tiers
    Advanced in Colonoscopy
    Plastic Surgery | Otolaryngology
    Advanced in Colonoscopy
    Plastic Surgery | Otolaryngology

    Kaiser Permanente Alton/Sand Canyon Medical Offices

    6670 Alton Pkwy, 
    Irvine, CA 
     (3.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Young Oh is an Otolaryngologist and a Plastic Surgeon in Irvine, California. Dr. Oh is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Male Pattern Baldness, Endoscopy, and Colonoscopy. Dr. Oh is currently accepting new patients.

    Advanced in Colonoscopy
    Gastroenterology
    Advanced in Colonoscopy
    Gastroenterology

    Digestive Disease Consultants Of Orange County Inc.

    113 Waterworks Way Ste 155, 
    Irvine, CA 
     (3.9 miles away)
    Languages Spoken:
    English

    Paul Lee is a Gastroenterologist in Irvine, California. Dr. Lee is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Trichohepatoenteric Syndrome, Portal Hypertension, Intestinal Cancer, Endoscopy, and Colonoscopy.

    Advanced in Colonoscopy
    Gastroenterology
    Advanced in Colonoscopy
    Gastroenterology

    Digestive Disease Consultants Of Orange County Inc.

    113 Waterworks Way Ste 155, 
    Irvine, CA 
     (3.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Shahrooz Bemanian is a Gastroenterologist in Irvine, California. Dr. Bemanian is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Chronic Erosive Gastritis, Menetrier Disease, Gastrectomy, and Colonoscopy.

    Advanced in Colonoscopy
    Family Medicine
    Advanced in Colonoscopy
    Family Medicine

    Santa Ana Mammography

    1900 E 4th St, 
    Santa Ana, CA 
     (4.4 miles away)
    Languages Spoken:
    English

    William Hsu is a primary care provider, practicing in Family Medicine in Santa Ana, California. Dr. Hsu is rated as an Advanced provider by MediFind in Colonoscopy. His top areas of expertise are Lung Nodules, Lung Cancer, Colorectal Polyps, Colonoscopy, and Endoscopy.

    Distinguished in Colonoscopy
    Gastroenterology
    Distinguished in Colonoscopy
    Gastroenterology
    27799 Medical Center Road, Suite 320, 
    Mission Viejo, CA 
     (10.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Douglas Nguyen is a Gastroenterologist in Mission Viejo, California. Dr. Nguyen is rated as a Distinguished provider by MediFind in Colonoscopy. His top areas of expertise are Crohn's Disease, Ulcerative Colitis, Hemorrhagic Proctocolitis, Colonoscopy, and Endoscopy. Dr. Nguyen is currently accepting new patients.

    Experienced in Colonoscopy
    Family Medicine | Geriatrics
    Experienced in Colonoscopy
    Family Medicine | Geriatrics

    Cedars Family Medicine Inc.

    18021 Sky Park Cir, 
    Irvine, CA 
     (1.6 miles away)
    Experience:
    19+ years
    Languages Spoken:
    English
    Offers Telehealth

    Christopher Salem is a Family Medicine specialist and a Geriatrics provider in Irvine, California. Dr. Salem has been practicing medicine for over 19 years and is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Sepsis, Pneumonia, End-Stage Renal Disease (ESRD), Gastrostomy, and Thymectomy.

    Experienced in Colonoscopy
    Family Medicine
    Experienced in Colonoscopy
    Family Medicine
    4950 Barranca Pkwy, Suite 103c, 
    Irvine, CA 
     (1.9 miles away)
    Languages Spoken:
    English

    Michael Shaw is a primary care provider, practicing in Family Medicine in Irvine, California. Dr. Shaw is rated as an Experienced provider by MediFind in Colonoscopy. His top area of expertise is Colonoscopy.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    UCI Health Susan Samueli Integrative Health Institute

    856 Health Sciences Rd Ste 2600, 
    Irvine, CA 
     (3.4 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Kiran Sachdev is a Gastroenterologist in Irvine, California. Dr. Sachdev is rated as an Experienced provider by MediFind in Colonoscopy. Her top areas of expertise are Encopresis, Bowel Incontinence, Gastroesophageal Reflux Disease (GERD), Gastrectomy, and Colonoscopy.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    Alton Sand Canyon Medical Offices

    6650 Alton Parkway, 
    Irvine, CA 
     (3.5 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English
    Accepting New Patients

    Shireena Desai is a Gastroenterologist in Irvine, California. Dr. Desai has been practicing medicine for over 17 years and is rated as an Experienced provider by MediFind in Colonoscopy. Her top areas of expertise are Colorectal Polyps, Hemorrhoids, Heartburn, Alcoholic Cirrhosis, and Colonoscopy. Dr. Desai is currently accepting new patients.

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

    Alton/sand Canyon Medical Offices

    6670 Alton Parkway, 
    Irvine, CA 
     (3.6 miles away)
    Languages Spoken:
    English

    Debby Chou is an Internal Medicine specialist and a Hospital Medicine provider in Irvine, California. Dr. Chou is rated as an Experienced provider by MediFind in Colonoscopy. Her top areas of expertise are Colonoscopy and Bone Marrow Aspiration.

    Experienced in Colonoscopy
    Holistic Medicine
    Experienced in Colonoscopy
    Holistic Medicine
    6650 Irvine Center Dr, 
    Irvine, CA 
     (3.8 miles away)
    Languages Spoken:
    English

    Hye Lee is a Holistic Medicine provider in Irvine, California. Ms. Lee is rated as an Experienced provider by MediFind in Colonoscopy. Her top areas of expertise are Ocular Hypertension (OHT), Biliary Dyskinesia, Vitamin B12 Deficiency, Thrombectomy, and Nephrectomy.

    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    Alan C Schwartz

    2621 S Bristol St, 
    Santa Ana, CA 
     (3.8 miles away)
    Experience:
    45+ years
    Languages Spoken:
    English

    Alan Schwartz is a primary care provider, practicing in Internal Medicine in Santa Ana, California. Dr. Schwartz has been practicing medicine for over 45 years and is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Sepsis, Pneumonia, Hospital-Acquired Pneumonia, Bone Marrow Aspiration, and Gastrostomy.

    Experienced in Colonoscopy
    Family Medicine
    Experienced in Colonoscopy
    Family Medicine

    Aaa Comprehensive Healthcare Inc

    2740 S Bristol St, 
    Santa Ana, CA 
     (3.9 miles away)
    Experience:
    24+ years
    Languages Spoken:
    English

    Hung Nguyen is a primary care provider, practicing in Family Medicine in Santa Ana, California. Dr. Nguyen has been practicing medicine for over 24 years and is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Sepsis, Necrosis, End-Stage Renal Disease (ESRD), Gastrostomy, and Endoscopy.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    Digestive Disease Consultants Of Orange County Inc.

    113 Waterworks Way Ste 155, 
    Irvine, CA 
     (3.9 miles away)
    Languages Spoken:
    English

    Matthew Oman is a Gastroenterologist in Irvine, California. Dr. Oman is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Familial Adenomatous Polyposis, Hemorrhoids, Painful Swallowing, Endoscopy, and Gastrectomy.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    Digestive Disease Consultants Of Orange County Inc.

    113 Waterworks Way Ste 155, 
    Irvine, CA 
     (3.9 miles away)
    Languages Spoken:
    English

    Heba Ashraf is a Gastroenterologist in Irvine, California. Dr. Ashraf is rated as an Experienced provider by MediFind in Colonoscopy. Her top areas of expertise are Childhood Pancreatitis, Acute Pancreatitis, Intestinal Cancer, Endoscopy, and Pancreatectomy.

    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    Won K Yu MD

    17400 Irvine Blvd, 
    Tustin, CA 
     (4.4 miles away)
    Experience:
    26+ years
    Languages Spoken:
    English
    Offers Telehealth

    Won Yu is an Internal Medicine provider in Tustin, California. Dr. Yu 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 Indigestion, Pancreatic Pseudocyst, Familial Adenomatous Polyposis, Gastrectomy, and Gastrostomy.

    Experienced in Colonoscopy
    Nephrology
    Experienced in Colonoscopy
    Nephrology

    Uc Irvine Health Medical Group-Tustin Fam Med

    1451 Irvine Blvd, 
    Tustin, CA 
     (4.4 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Fatima Malik is a Nephrologist in Tustin, California. Dr. Malik is rated as an Experienced provider by MediFind in Colonoscopy. Her top areas of expertise are Acute Kidney Failure, Chronic Kidney Disease, End-Stage Renal Disease (ESRD), Kidney Transplant, and Colonoscopy.

    Showing 1-20 of 173

    Last Updated: 02/22/2026

    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 Irvine, 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 Irvine, 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 Irvine, 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 Irvine, 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 Irvine, 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 Irvine, 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 Irvine, 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 

    Read more about our Content Policy