The 20 Best Colonoscopy Doctors near Newport Beach, CA

Find the Experts and Specialists who perform Colonoscopy

Last Updated: 04/28/2026

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MediFind found 139 doctor with experience in Colonoscopy near Newport Beach, CA. Of these, 124 are Experienced, 13 are Advanced, 1 are Distinguished and 1 are Elite.

Location
LocationClose
139 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 
     (12.7 miles away)
    Languages Spoken:
    English

    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 53 other conditions, according to our data. His clinical expertise encompasses Barrett Esophagus, Jaundice, Gastroesophageal Reflux Disease (GERD), Endoscopy, and Colonoscopy.

    Experienced in Colonoscopy
    Colorectal Surgery
    Experienced in Colonoscopy
    Colorectal Surgery

    Preventive Healthcare Medical Centers

    500 Superior Ave Ste 100, 
    Newport Beach, CA 
     (3.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Elizabeth Raskin is a Colorectal Surgeon practicing medicine in Newport Beach, California. Dr. Raskin 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 Rectal Prolapse, Familial Colorectal Cancer, Colorectal Cancer, Hernia Surgery, and Colostomy.

    Advanced in Colonoscopy
    Oncology
    Advanced in Colonoscopy
    Oncology

    Haris Ali, M.D.

    1601 Avocado Ave, 
    Newport Beach, CA 
     (0.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Haris Ali is an Oncologist practicing medicine in Newport Beach, California. Dr. Ali is rated as an Advanced provider by MediFind in Colonoscopy. He is also highly rated in 34 other conditions, according to our data. His clinical expertise encompasses Myelofibrosis, Graft Versus Host Disease (GvHD), Chronic Graft Versus Host Disease (cGvHD), Bone Marrow Aspiration, and Bone Marrow Transplant.

    Learn about our expert tiers
    Experienced in Colonoscopy
    Experienced in Colonoscopy

    Monzr M. Al Malki, M.D.

    1601 Avocado Ave, 
    Newport Beach, CA 
     (0.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Mhd Al Malki is an Oncologist practicing medicine in Newport Beach, California. Dr. Al Malki 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 Acute Myeloblastic Leukemia without Maturation, Acute Myeloid Leukemia (AML), Acute Myeloblastic Leukemia with Maturation, Bone Marrow Aspiration, and Colonoscopy.

    Experienced in Colonoscopy
    Experienced in Colonoscopy

    Hoda Pourhassan, M.D.

    1601 Avocado Ave, 
    Newport Beach, CA 
     (0.8 miles away)
    Languages Spoken:
    English

    Hoda Pourhassan is an Oncologist practicing medicine in Newport Beach, California. Dr. Pourhassan is rated as an Experienced provider by MediFind in Colonoscopy. She is also highly rated in 12 other conditions, according to our data. Her clinical expertise encompasses Acute Lymphoblastic Leukemia (ALL), Acute Myeloid Leukemia (AML), Leukemia, Bone Marrow Aspiration, and Bone Marrow Transplant.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    Angizeh Sadeghi MD Inc.

    901 Dover Dr Ste 205, 
    Newport Beach, CA 
     (2.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Angizeh Sadeghi is a Gastroenterologist practicing medicine in Newport Beach, California. Dr. Sadeghi is rated as an Experienced provider by MediFind in Colonoscopy. Her clinical expertise encompasses Mallory-Weiss Syndrome, Bacterial Gastroenteritis, Small Bowel Bacterial Overgrowth, Colonoscopy, and Gastrectomy.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    Surinder Saini MD Inc.

    1441 Avocado Ave Ste 807, 
    Newport Beach, CA 
     (2.1 miles away)
    Languages Spoken:
    English

    Surinder Saini is a Gastroenterologist practicing medicine in Newport Beach, California. Dr. Saini is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 20 other conditions, according to our data. His clinical expertise encompasses Morning Sickness, Diverticular Disease, Chronic Erosive Gastritis, Endoscopy, and Gastrectomy.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    Newport Harbor Otology Associates And Ear Medical Group Inc.

    901 Dover Dr Ste 205, 
    Newport Beach, CA 
     (2.1 miles away)
    Languages Spoken:
    English

    Amita Sadeghi is a primary care provider, practicing in Gastroenterologist in Newport Beach, California. Dr. Sadeghi is rated as an Experienced provider by MediFind in Colonoscopy. Her clinical expertise encompasses Diarrhea, Colitis, Heart Failure, Colonoscopy, and Endoscopy.

    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    Newport Coast Medical Group Inc.

    360 San Miguel Dr Ste 105, 
    Newport Beach, CA 
     (2.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Jennifer Keiner is a primary care provider, practicing in Internal Medicine in Newport Beach, California. Dr. Keiner is rated as an Experienced provider by MediFind in Colonoscopy. Her clinical expertise encompasses Juvenile Primary Osteoporosis, Sepsis, Gastrointestinal Bleeding, Colonoscopy, and Gastrostomy.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    UCI Health Susan Samueli Integrative Health Institute

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

    Kiran Sachdev is a Gastroenterologist practicing medicine in Irvine, California. Dr. Sachdev is rated as an Experienced provider by MediFind in Colonoscopy. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Encopresis, Bowel Incontinence, Gastroesophageal Reflux Disease (GERD), Gastrectomy, and Colonoscopy.

    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    John C. Storch M.D. Inc.

    350 Old Newport Blvd, 
    Newport Beach, CA 
     (3.4 miles away)
    Languages Spoken:
    English

    John Storch is a primary care provider, practicing in Internal Medicine in Newport Beach, California. Dr. Storch 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 Trophoblastic Tumor Placental Site, Schnitzler Syndrome, Monoclonal Gammopathy of Undetermined Significance (MGUS), Juvenile Primary Osteoporosis, and Colonoscopy.

    Experienced in Colonoscopy
    Experienced in Colonoscopy

    Hoag Memorial Hospital Presbyterian

    1 Hoag Dr, 
    Newport Beach, CA 
     (3.5 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English

    Shivani Martin is a Geriatrics provider practicing medicine in Newport Beach, California. She has been practicing medicine for over 17 years. Dr. Martin is rated as an Experienced provider by MediFind in Colonoscopy. Her clinical expertise encompasses Sepsis, Necrosis, Pneumonia, Endoscopy, and Ureteroscopy.

    Experienced in Colonoscopy
    Internal Medicine
    Experienced in Colonoscopy
    Internal Medicine

    Hoag Memorial Hospital Presbyterian

    1 Hoag Dr, 
    Newport Beach, CA 
     (3.5 miles away)
    Languages Spoken:
    English

    Tommy Lee is an Internal Medicine provider practicing medicine in Newport Beach, California. Dr. Lee is rated as an Experienced provider by MediFind in Colonoscopy. His clinical expertise encompasses Gallbladder Disease, Fractured Spine, Heart Failure with Preserved Ejection Fraction (HFpEF), Bone Marrow Aspiration, and Endoscopy.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    Preventive Healthcare Medical Centers

    500 Superior Ave Ste 100, 
    Newport Beach, CA 
     (3.6 miles away)
    Languages Spoken:
    English

    Badar Hasan is a primary care provider, practicing in Gastroenterologist in Newport Beach, California. Dr. Hasan is rated as an Experienced provider by MediFind in Colonoscopy. His clinical expertise encompasses Chylous Ascites, Cavernous Sinus Thrombosis, Hemorrhagic Proctocolitis, Colonoscopy, and Endoscopy.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    Office

    520 Superior Ave Ste 245, 
    Newport Beach, CA 
     (3.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Richard Quist is a Gastroenterologist practicing medicine in Newport Beach, California. Dr. Quist 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 Gastroesophageal Reflux Disease (GERD), Irritable Bowel Syndrome (IBS), Diverticular Disease, Colonoscopy, and Gastrectomy.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    Office

    520 Superior Ave Ste 230, 
    Newport Beach, CA 
     (3.7 miles away)
    Experience:
    47+ years
    Languages Spoken:
    English
    Offers Telehealth

    Parminder Dhaliwal is a Gastroenterologist practicing medicine in Newport Beach, California. He has been practicing medicine for over 47 years. Dr. Dhaliwal 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 Gastrointestinal Bleeding, Esophagitis, Intestinal Cancer, Gastrectomy, and Endoscopy.

    Experienced in Colonoscopy
    General Surgery
    Experienced in Colonoscopy
    General Surgery

    Newport-Irvine Surgical Specialists A Professional Corp.

    510 Superior Ave Ste 200G, 
    Newport Beach, CA 
     (3.7 miles away)
    Languages Spoken:
    English

    Peter Wang is a General Surgeon practicing medicine in Newport Beach, California. Dr. Wang is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 21 other conditions, according to our data. His clinical expertise encompasses Hernia, Choledocholithiasis, Retroperitoneal Inflammation, Hernia Surgery, and Ileostomy.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    Patricia Shih-Ting Tsai MD Inc.

    496 Old Newport Blvd Ste 1, 
    Newport Beach, CA 
     (3.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Shih-ting Tsai is a Gastroenterologist practicing medicine in Newport Beach, California. Dr. Tsai is rated as an Experienced provider by MediFind in Colonoscopy. She is also highly rated in 14 other conditions, according to our data. Her clinical expertise encompasses Hiatal Hernia, Congenital Diaphragmatic Hernia, Gastroesophageal Reflux Disease (GERD), Gastrectomy, and Colonoscopy.

    Experienced in Colonoscopy
    Gastroenterology
    Experienced in Colonoscopy
    Gastroenterology

    Deguzman Medical Corp.

    1525 Superior Ave Ste 200, 
    Newport Beach, CA 
     (3.7 miles away)
    Languages Spoken:
    English

    Lino Deguzman is a Gastroenterologist practicing medicine in Newport Beach, California. Dr. Deguzman is rated as an Experienced provider by MediFind in Colonoscopy. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Diverticular Disease, Gastroesophageal Reflux Disease (GERD), Familial Adenomatous Polyposis, Barrett Esophagus, and Colonoscopy.

    Experienced in Colonoscopy
    Anesthesiology
    Experienced in Colonoscopy
    Anesthesiology

    Marc Gianzero MD Professional Corporation

    1640 Newport Blvd Ste 100, 
    Costa Mesa, CA 
     (4.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Sunhee Park is an Anesthesiologist practicing medicine in Costa Mesa, California. Dr. Park 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 Crohn's Disease, Ulcerative Colitis, Colitis, Endoscopy, and Gastrectomy.

    Showing 1-20 of 139

    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 Newport Beach, 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 Newport Beach, 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 Newport Beach, 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 Newport Beach, 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 Newport Beach, 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 Newport Beach, 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 Newport Beach, 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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