The 20 Best Colitis Doctors Near Me in Mission Viejo, CA

Find the Top Colitis Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 120 doctor with experience in Colitis near Mission Viejo, CA. Of these, 105 are Experienced and 15 are Advanced.

Location
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120 providers found
    Experienced in Colitis
    Family Medicine
    Experienced in Colitis
    Family Medicine

    Optum - Mission Viejo

    26991 Crown Valley Pkwy, 
    Mission Viejo, CA 
     (2.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Ronald Richmond is a primary care provider, practicing in Family Medicine in Mission Viejo, California. Dr. Richmond is rated as an Experienced provider by MediFind in the treatment of Colitis. He is also highly rated in 19 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Sciatica, Insomnia, and Hypertension. Dr. Richmond is board certified in American Board Of Family Medicine. Dr. Richmond is currently accepting new patients.

    Experienced in Colitis
    Experienced in Colitis

    Optum - Ladera Ranch

    800 Corporate Dr, 
    Ladera Ranch, CA 
     (3.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Mitchell Wainwright is a primary care provider, practicing in Family Medicine in Ladera Ranch, California. Dr. Wainwright is rated as an Experienced provider by MediFind in the treatment of Colitis. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Papular Urticaria, Multisystem Inflammatory Syndrome in Children (MIS-C), COVID-19, and Empyema. Dr. Wainwright is currently accepting new patients.

    Experienced in Colitis
    Family Medicine
    Experienced in Colitis
    Family Medicine

    Health And Wellness Center Inc

    23672 Birtcher Dr, 
    Lake Forest, CA 
     (4.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Mohammed Ali is a primary care provider, practicing in Family Medicine in Lake Forest, California. Dr. Ali is rated as an Experienced provider by MediFind in the treatment of Colitis. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Premature Ovarian Failure, Down Syndrome, and Hypogonadism Primary Partial Alopecia. Dr. Ali is board certified in American Board Of Family Medicine. Dr. Ali is currently accepting new patients.

    Learn about our expert tiers
    Experienced in Colitis
    Family Medicine
    Experienced in Colitis
    Family Medicine
    Aliso Viejo, CA 
     (4.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Shannon O'connor is a primary care provider, practicing in Family Medicine in Aliso Viejo, California. Dr. O'connor is rated as an Experienced provider by MediFind in the treatment of Colitis. She is also highly rated in 33 other conditions, according to our data. Her clinical expertise encompasses Tracheitis, Obesity in Children, Food Allergy, and Seasonal Affective Disorder (SAD). Dr. O'connor is currently accepting new patients.

    Experienced in Colitis
    Internal Medicine
    Experienced in Colitis
    Internal Medicine

    Optum - Laguna Moulton

    23595 Moulton Pkwy, 
    Laguna Hills, CA 
     (4.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Howard Bland is a primary care provider, practicing in Internal Medicine in Laguna Hills, California. Dr. Bland is rated as an Experienced provider by MediFind in the treatment of Colitis. His clinical expertise encompasses High Cholesterol, Antiphospholipid Syndrome, Cirrhosis, and Glucocorticoid-Remediable Aldosteronism. Dr. Bland is board certified in American Board Of Family Medicine. Dr. Bland is currently accepting new patients.

    Advanced in Colitis
    Gastroenterology
    Advanced in Colitis
    Gastroenterology
    Referral may be required
    27799 Medical Center Road, Suite 320, 
    Mission Viejo, CA 
     (1.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Wanjun Bae is a Gastroenterologist practicing medicine in Mission Viejo, California. Dr. Bae is rated as an Advanced provider by MediFind in the treatment of Colitis. He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Familial Adenomatous Polyposis, Diverticular Disease, Angiodysplasia of the Colon, Gastrectomy, and Colonoscopy. Dr. Bae is currently accepting new patients.

    Advanced in Colitis
    Gastroenterology
    Advanced in Colitis
    Gastroenterology
    Referral may be required
    27799 Medical Center Road, Suite 320, 
    Mission Viejo, CA 
     (1.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Edward Block is a Gastroenterologist practicing medicine in Mission Viejo, California. Dr. Block is rated as an Advanced provider by MediFind in the treatment of Colitis. He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Familial Adenomatous Polyposis, Gastroesophageal Reflux Disease (GERD), Diverticular Disease, and Chronic Erosive Gastritis. Dr. Block is currently accepting new patients.

    Experienced in Colitis
    Gastroenterology
    Experienced in Colitis
    Gastroenterology
    Referral required
    27700 Medical Center Road, 
    Mission Viejo, CA 
     (2.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Tarek Hassanein is a Gastroenterologist practicing medicine in Mission Viejo, California. Dr. Hassanein is rated as an Experienced provider by MediFind in the treatment of Colitis. He is also highly rated in 52 other conditions, according to our data. His clinical expertise encompasses Hepatitis C, Hepatitis, Non-Alcoholic Fatty Liver Disease, Endoscopy, and Liver Transplant. Dr. Hassanein is board certified in American Board Of Internal Medicine. Dr. Hassanein is currently accepting new patients.

    Advanced in Colitis
    Family Medicine
    Advanced in Colitis
    Family Medicine

    Bryant Health P.C.

    23653 El Toro Rd Ste B, 
    Lake Forest, CA 
     (3.7 miles away)
    Languages Spoken:
    English

    Peter Wu is a primary care provider, practicing in Family Medicine in Lake Forest, California. Dr. Wu is rated as an Advanced provider by MediFind in the treatment of Colitis. He is also highly rated in 19 other conditions, according to our data. His clinical expertise encompasses Tetanus, Viral Gastroenteritis, Colitis, and Cellulitis.

    Advanced in Colitis
    Gastroenterology
    Advanced in Colitis
    Gastroenterology
    Referral may be required

    Mj Medical Group Inc

    26501 Rancho Pkwy S, 
    Lake Forest, CA 
     (3.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Mladen Jecmenica is a Gastroenterologist practicing medicine in Lake Forest, California. Dr. Jecmenica is rated as an Advanced provider by MediFind in the treatment of Colitis. He is also highly rated in 57 other conditions, according to our data. His clinical expertise encompasses Gastrointestinal Bleeding, Gastroesophageal Reflux Disease (GERD), Hiatal Hernia, Gastrostomy, and Endoscopy. Dr. Jecmenica is board certified in American Board Of Internal Medicine. Dr. Jecmenica is currently accepting new patients.

    Advanced in Colitis
    Internal Medicine
    Advanced in Colitis
    Internal Medicine

    Totalcare Walk-In Clinic

    14775 Jeffrey Rd, 
    Irvine, CA 
     (9.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Xiao-ling Zhang is a primary care provider, practicing in Internal Medicine in Irvine, California. Dr. Zhang is rated as an Advanced provider by MediFind in the treatment of Colitis. She is also highly rated in 50 other conditions, according to our data. Her clinical expertise encompasses Tracheitis, High Cholesterol, Papular Urticaria, and Tonsillitis. Dr. Zhang is board certified in American Board Of Internal Medicine. Dr. Zhang is currently accepting new patients.

    Experienced in Colitis
    Gastroenterology
    Experienced in Colitis
    Gastroenterology
    Referral may be required
    27799 Medical Center Road, Suite 320, 
    Mission Viejo, CA 
     (1.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Jack Feng is a Gastroenterologist practicing medicine in Mission Viejo, California. Dr. Feng is rated as an Experienced provider by MediFind in the treatment of Colitis. He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Familial Adenomatous Polyposis, Diverticular Disease, Gardner Syndrome, and Turcot Syndrome. Dr. Feng is currently accepting new patients.

    Experienced in Colitis
    Gastroenterology
    Experienced in Colitis
    Gastroenterology
    Referral may be required

    Mission Heritage Mission Viejo-Gastroenterology

    27799 Medical Center Rd Ste 310, 
    Mission Viejo, CA 
     (1.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Elmer Chang is a Gastroenterologist practicing medicine in Mission Viejo, California. Dr. Chang is rated as an Experienced provider by MediFind in the treatment of Colitis. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Gastroesophageal Reflux Disease (GERD), Familial Adenomatous Polyposis, Turcot Syndrome, Gastrectomy, and Endoscopy.

    Experienced in Colitis
    Gastroenterology
    Experienced in Colitis
    Gastroenterology
    Referral may be required
    27799 Medical Center Road, Suite 320, 
    Mission Viejo, CA 
     (1.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Daniald Rodrigues is a Gastroenterologist practicing medicine in Mission Viejo, California. Dr. Rodrigues is rated as an Experienced provider by MediFind in the treatment of Colitis. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Diverticular Disease, Familial Adenomatous Polyposis, Chronic Erosive Gastritis, Gastrectomy, and Endoscopy. Dr. Rodrigues is currently accepting new patients.

    Experienced in Colitis
    Family Medicine
    Experienced in Colitis
    Family Medicine

    Vituity-Urgent Care Services PC

    23962 Alicia Pkwy Ste I1, 
    Mission Viejo, CA 
     (1.1 miles away)
    Languages Spoken:
    English

    Gail Silver is a primary care provider, practicing in Family Medicine in Mission Viejo, California. Dr. Silver is rated as an Experienced provider by MediFind in the treatment of Colitis. Her clinical expertise encompasses Obesity, Obesity in Children, Viral Gastroenteritis, and Colitis.

    Experienced in Colitis
    Gastroenterology
    Experienced in Colitis
    Gastroenterology
    Referral may be required

    John Witczak DO PC

    26921 Crown Valley Pkwy Ste 201, 
    Mission Viejo, CA 
     (1.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Nader Mirhoseni is a Gastroenterologist practicing medicine in Mission Viejo, California. Dr. Mirhoseni is rated as an Experienced provider by MediFind in the treatment of Colitis. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Gastrointestinal Bleeding, Acute Pancreatitis, Gallstones, Endoscopy, and Gastrectomy.

    Experienced in Colitis
    Gastroenterology
    Experienced in Colitis
    Gastroenterology
    Referral may be required
    27799 Medical Center Road, Suite 320, 
    Mission Viejo, CA 
     (1.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Eric Chu is a Gastroenterologist practicing medicine in Mission Viejo, California. Dr. Chu is rated as an Experienced provider by MediFind in the treatment of Colitis. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Gastrointestinal Bleeding, Hemorrhoids, Diverticular Disease, Gastrectomy, and Colonoscopy. Dr. Chu is currently accepting new patients.

    Experienced in Colitis
    Gastroenterology
    Experienced in Colitis
    Gastroenterology
    Referral may be required
    27799 Medical Center Road, Suite 320, 
    Mission Viejo, CA 
     (1.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Michael Santoro is a Gastroenterologist practicing medicine in Mission Viejo, California. Dr. Santoro is rated as an Experienced provider by MediFind in the treatment of Colitis. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Esophagitis, Familial Adenomatous Polyposis, Barrett Esophagus, Turcot Syndrome, and Gastrectomy. Dr. Santoro is currently accepting new patients.

    Experienced in Colitis
    Gastroenterology
    Experienced in Colitis
    Gastroenterology
    Referral may be required
    27799 Medical Center Road, Suite 320, 
    Mission Viejo, CA 
     (1.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Daniel Kim is a Gastroenterologist practicing medicine in Mission Viejo, California. Dr. Kim is rated as an Experienced provider by MediFind in the treatment of Colitis. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Tenesmus, Familial Adenomatous Polyposis, Heartburn, and Hiatal Hernia. Dr. Kim is currently accepting new patients.

    Experienced in Colitis
    Family Medicine
    Experienced in Colitis
    Family Medicine

    Mission Viejo Medical Offices

    23781 Maquina Ave, 
    Mission Viejo, CA 
     (1.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Joseph Sacksteder is a primary care provider, practicing in Family Medicine in Mission Viejo, California. Dr. Sacksteder is rated as an Experienced provider by MediFind in the treatment of Colitis. His clinical expertise encompasses Asthma, Viral Gastroenteritis, Asthma in Children, and Colitis. Dr. Sacksteder is currently accepting new patients.

    Showing 1-20 of 120

    Last Updated: 09/26/2026

    What is the definition of Colitis?

    Colitis is swelling (inflammation) of the large intestine (colon).

    When should I see a Colitis doctor near Mission Viejo, 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 Colitis doctor near Mission Viejo, 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 Colitis doctors near Mission Viejo, 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 Colitis doctors near Mission Viejo, 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 Colitis doctor near Mission Viejo, 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 Colitis doctor search results page. 

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

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

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

    Read more about our Content Policy. 

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