The 20 Best Collagenous Colitis Doctors Near Me in Orange, CA

Find the Top Collagenous Colitis Experts and Specialists

The 20 Best Collagenous Colitis Doctors near Orange, CA

Last Updated: 02/22/2026

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MediFind found 24 doctor with experience in Collagenous Colitis near Orange, CA. Of these, 22 are Experienced and 2 are Advanced.

Location
LocationClose
24 providers found
    Advanced in Collagenous Colitis
    Gastroenterology
    Advanced in Collagenous Colitis
    Gastroenterology

    UCI Health Chao Family Comprehensive Digestive Disease Center

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

    Carl Albers is a Gastroenterologist in Orange, California. Dr. Albers is rated as an Advanced provider by MediFind in the treatment of Collagenous Colitis. His top areas of expertise are Gas Bloat Syndrome, Hepatitis, Jaundice, Endoscopy, and Colonoscopy.

    Experienced in Collagenous Colitis
    Gastroenterology
    Experienced in Collagenous Colitis
    Gastroenterology

    Genesis Healthcare Partners PC

    1010 W La Veta Ave, 
    Orange, CA 
     (0.7 miles away)
    Experience:
    36+ years
    Languages Spoken:
    English
    Offers Telehealth

    James Lee is a Gastroenterologist in Orange, California. Dr. Lee has been practicing medicine for over 36 years and is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. His top areas of expertise are Gas Bloat Syndrome, Familial Adenomatous Polyposis, Gastroesophageal Reflux Disease (GERD), Gastrostomy, and Endoscopy.

    Experienced in Collagenous Colitis
    Gastroenterology
    Experienced in Collagenous Colitis
    Gastroenterology

    Genesis Healthcare Partners PC

    1010 W La Veta Ave, 
    Orange, CA 
     (0.7 miles away)
    Experience:
    34+ years
    Languages Spoken:
    English
    Offers Telehealth

    Haig Najarian is a Gastroenterologist in Orange, California. Dr. Najarian has been practicing medicine for over 34 years and is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. His top areas of expertise are Ascites, Gastroesophageal Reflux Disease (GERD), Visceromegaly, Gastrectomy, and Endoscopy.

    Learn about our expert tiers
    Experienced in Collagenous Colitis
    Gastroenterology
    Experienced in Collagenous Colitis
    Gastroenterology

    UCI Health Chao Family Comprehensive Digestive Disease Center

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

    William Karnes is a Gastroenterologist in Orange, California. Dr. Karnes is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. His top areas of expertise are Trichohepatoenteric Syndrome, Nonalcoholic Steatohepatitis (NASH), Familial Adenomatous Polyposis, Endoscopy, and Gastrectomy.

    Experienced in Collagenous Colitis
    Gastroenterology
    Experienced in Collagenous Colitis
    Gastroenterology
    1837 Sunny Crest Drive, 
    Fullerton, CA 
     (8.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Sajen Mathews is a Gastroenterologist in Fullerton, California. Dr. Mathews is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. His top areas of expertise are Gastric Dysmotility, Diverticular Disease, Benign Esophageal Stricture, Endoscopy, and Gastrostomy.

    Experienced in Collagenous Colitis
    Gastroenterology
    Experienced in Collagenous Colitis
    Gastroenterology
    1837 Sunny Crest Drive, 
    Fullerton, CA 
     (8.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Eugene Yoon is a Gastroenterologist in Fullerton, California. Dr. Yoon is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. His top areas of expertise are Choledocholithiasis, Angiodysplasia of the Colon, Ascites, Endoscopy, and Gastrostomy. Dr. Yoon is currently accepting new patients.

    Experienced in Collagenous Colitis
    Gastroenterology
    Experienced in Collagenous Colitis
    Gastroenterology
    1837 Sunny Crest Drive, 
    Fullerton, CA 
     (8.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Hyder Jamal is a Gastroenterologist in Fullerton, California. Dr. Jamal is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. His top areas of expertise are Diverticular Disease, Familial Adenomatous Polyposis, Barrett Esophagus, Endoscopy, and Gastrostomy. Dr. Jamal is currently accepting new patients.

    Experienced in Collagenous Colitis
    Gastroenterology
    Experienced in Collagenous Colitis
    Gastroenterology
    1837 Sunny Crest Drive, 
    Fullerton, CA 
     (8.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Erika Hoyos is a Gastroenterologist in Fullerton, California. Dr. Hoyos is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. Her top areas of expertise are Hemorrhoids, Intestinal Cancer, Chronic Erosive Gastritis, Endoscopy, and Gastrectomy. Dr. Hoyos is currently accepting new patients.

    Advanced in Collagenous Colitis
    Gastroenterology
    Advanced in Collagenous Colitis
    Gastroenterology

    Long Phi Dang MD Inc

    7891 Westminster Blvd, 
    Westminster, CA 
     (8.1 miles away)
    Experience:
    33+ years
    Languages Spoken:
    English

    Long Dang is a Gastroenterologist in Westminster, California. Dr. Dang has been practicing medicine for over 33 years and is rated as an Advanced provider by MediFind in the treatment of Collagenous Colitis. His top areas of expertise are Chronic Erosive Gastritis, Gastritis, Gastrointestinal Bleeding, Gastrectomy, and Gastrostomy.

    Experienced in Collagenous Colitis
    Gastroenterology
    Experienced in Collagenous Colitis
    Gastroenterology

    Associated Gastroenterology Medical Group

    1211 W La Palma Ave Ste 306, 
    Anaheim, CA 
     (6.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Kavita Singh is a Gastroenterologist in Anaheim, California. Dr. Singh is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. Her top areas of expertise are Familial Adenomatous Polyposis, Gardner Syndrome, Turcot Syndrome, Endoscopy, and Colonoscopy.

    Experienced in Collagenous Colitis
    Gastroenterology
    Experienced in Collagenous Colitis
    Gastroenterology

    First Choice Physician Partners

    16671 Yorba Linda Blvd, 
    Yorba Linda, CA 
     (7.0 miles away)
    Experience:
    52+ years
    Languages Spoken:
    English

    Keith Martin is a Gastroenterologist in Yorba Linda, California. Dr. Martin has been practicing medicine for over 52 years and is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Diverticular Disease, Hemorrhoids, Endoscopy, and Gastrectomy.

    Experienced in Collagenous Colitis
    Gastroenterology
    Experienced in Collagenous Colitis
    Gastroenterology

    Orange County Digestive Care Inc

    18111 Brookhurst St, 
    Fountain Valley, CA 
     (8.3 miles away)
    Experience:
    30+ years
    Languages Spoken:
    English
    Offers Telehealth

    Duke Nguyen is a Gastroenterologist in Fountain Valley, California. Dr. Nguyen has been practicing medicine for over 30 years and is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. His top areas of expertise are Irritable Bowel Syndrome (IBS), Gastroesophageal Reflux Disease (GERD), Gastritis, Gastrectomy, and Colonoscopy.

    Experienced in Collagenous Colitis
    Gastroenterology
    Experienced in Collagenous Colitis
    Gastroenterology

    Office

    16105 Sand Canyon Ave Ste 230, 
    Irvine, CA 
     (11.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Caroline Hwang is a Gastroenterologist in Irvine, California. Dr. Hwang is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. Her top areas of expertise are Crohn's Disease, Ulcerative Colitis, Colitis, Gastrectomy, and Colonoscopy.

    Experienced in Collagenous Colitis
    Gastroenterology
    Experienced in Collagenous Colitis
    Gastroenterology

    Digestive Disease Consultants Of Orange County Inc.

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

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

    Experienced in Collagenous Colitis
    Anesthesiology
    Experienced in Collagenous Colitis
    Anesthesiology

    Marc Gianzero MD Professional Corporation

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

    Sunhee Park is an Anesthesiologist in Costa Mesa, California. Dr. Park is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. Her top areas of expertise are Crohn's Disease, Ulcerative Colitis, Colitis, Endoscopy, and Gastrectomy.

    Experienced in Collagenous Colitis
    Gastroenterology
    Experienced in Collagenous Colitis
    Gastroenterology

    Hoag Digestive Health Irvine

    16405 Sand Canyon Ave Ste 280, 
    Irvine, CA 
     (11.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Rashmi Kumar is a Gastroenterologist in Irvine, California. Dr. Kumar is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. Her top areas of expertise are Crohn's Disease, Ulcerative Colitis, Colitis, Hemorrhoids, and Endoscopy.

    Experienced in Collagenous Colitis
    Gastroenterology
    Experienced in Collagenous Colitis
    Gastroenterology

    The Cancer Treatment Center Of Orange County Medical Group Inc

    19582 Beach Blvd Ste 270, 
    Huntington Beach, CA 
     (11.8 miles away)
    Languages Spoken:
    English

    Victor Yu is a Gastroenterologist in Huntington Beach, California. Dr. Yu is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Chronic Erosive Gastritis, Gas Bloat Syndrome, Gastrectomy, and Colonoscopy.

    Experienced in Collagenous Colitis
    Gastroenterology
    Experienced in Collagenous Colitis
    Gastroenterology

    Coast Internal Medicine Consultants

    520 Superior Ave Ste 205, 
    Newport Beach, CA 
     (12.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Christopher Lee is a Gastroenterologist in Newport Beach, California. Dr. Lee is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. His top areas of expertise are Gardner Syndrome, Turcot Syndrome, Familial Adenomatous Polyposis, and Gastroesophageal Reflux Disease (GERD).

    Experienced in Collagenous Colitis
    Gastroenterology
    Experienced in Collagenous Colitis
    Gastroenterology

    Office

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

    Richard Quist is a Gastroenterologist in Newport Beach, California. Dr. Quist is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Irritable Bowel Syndrome (IBS), Diverticular Disease, Colonoscopy, and Gastrectomy.

    Experienced in Collagenous Colitis
    Gastroenterology
    Experienced in Collagenous Colitis
    Gastroenterology

    Patricia Shih-Ting Tsai MD Inc.

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

    Shih-ting Tsai is a Gastroenterologist in Newport Beach, California. Dr. Tsai is rated as an Experienced provider by MediFind in the treatment of Collagenous Colitis. Her top areas of expertise are Hiatal Hernia, Congenital Diaphragmatic Hernia, Gastroesophageal Reflux Disease (GERD), Gastrectomy, and Colonoscopy.

    Showing 1-20 of 24

    Last Updated: 02/22/2026

    What is the definition of Collagenous Colitis?

    Collagenous colitis is a type of inflammatory bowel disease that affects the colon. It is a form of microscopic colitis, which causes chronic diarrhea. In all forms of microscopic colitis, the colon appears normal or almost normal on colonoscopy, but the inflammation is visible when a biopsy of the colon is examined under a microscope (hence its name). People with this disease usually have between four and nine watery bowel movements per day, but in rare cases may have more than fifteen. Various other symptoms relating to the gastrointestinal system or other body symptoms may also be present. The cause of Collagenous colitis is not known but it is thought to be multifactorial. This means that both genetic and environmental factors may interact to cause a person to develop the disease. The extent to which genes play a role is unclear, but familial cases have been described. Certain medications, such as NSAIDS and proton pump inhibitors, have been reported to cause or trigger the disease in some people. However, strong evidence directly linking these medications to the disease is still lacking.

    When should I see a Collagenous Colitis doctor near Orange, 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 Collagenous Colitis doctor near Orange, 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 Collagenous Colitis doctors near Orange, 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 Collagenous Colitis doctors near Orange, 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 Collagenous Colitis doctor near Orange, 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 Collagenous Colitis doctor search results page. 

    Why is it important to get a second opinion from a different Collagenous Colitis 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 Collagenous Colitis doctor near Orange, 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 Collagenous Colitis 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 Collagenous Colitis 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 Collagenous Colitis doctors near Orange, CA?

    Look for the filter feature on the left side of the Collagenous Colitis 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 Collagenous Colitis doctor that offers video calls?

    Look for the filter feature on the left-side of the Collagenous Colitis 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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