The 20 Best Ulcerative Colitis Doctors Near Me in foothill ranch, CA

Find the Top Ulcerative Colitis Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 108 doctor with experience in Ulcerative Colitis near foothill ranch, CA. Of these, 95 are Experienced, 11 are Advanced and 2 are Distinguished.

Location
LocationClose
108 providers found
    Advanced in Ulcerative Colitis
    Internal Medicine
    Advanced in Ulcerative Colitis
    Internal Medicine

    Pacific Shores Medical Group

    16300 Sand Canyon Ave, Ste 207, 
    Irvine, CA 
     (6.3 miles away)
    Languages Spoken:
    English, Armenian, French, Spanish
    Accepting New Patients
    Offers Telehealth

    Nerses Tchekmedyian is a primary care provider, practicing in Internal Medicine in Irvine, California. Dr. Tchekmedyian is rated as an Advanced provider by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Juvenile Primary Osteoporosis, Postmenopausal Osteoporosis, Osteoporosis, and Ulcerative Colitis. Dr. Tchekmedyian is board certified in Internal Medicine (Sub: Medical Oncology), American Board Internal Medicine, and Internal Medicine. Dr. Tchekmedyian is currently accepting new patients.

    Distinguished in Ulcerative Colitis
    Gastroenterology
    Distinguished in Ulcerative Colitis
    Gastroenterology
    Referral may be required

    Office

    16105 Sand Canyon Ave Ste 230, 
    Irvine, CA 
     (3.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Caroline Hwang is a Gastroenterologist practicing medicine in Irvine, California. Dr. Hwang is rated as a Distinguished provider by MediFind in the treatment of Ulcerative Colitis. She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Crohn's Disease, Ulcerative Colitis, Pancreatic Cancer, Gastrectomy, and Colonoscopy. Dr. Hwang is currently accepting new patients.

    Experienced in Ulcerative Colitis
    Internal Medicine
    Experienced in Ulcerative Colitis
    Internal Medicine

    Felice L Gersh MD Inc

    16300 Sand Canyon Ave Ste 311, 
    Irvine, CA 
     (3.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Michael Waldman is a primary care provider, practicing in Internal Medicine in Irvine, California. Dr. Waldman is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 52 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), High Cholesterol, Autoerythrocyte Sensitivity, and Purpura. Dr. Waldman is currently accepting new patients.

    Learn about our expert tiers
    Experienced in Ulcerative Colitis
    Internal Medicine
    Experienced in Ulcerative Colitis
    Internal Medicine

    Optum - Rancho Santa Margarita

    29873 Santa Margarita Pkwy, 
    Rancho Santa Margarita, CA 
     (4.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Shaparak Kamarei is a primary care provider, practicing in Internal Medicine in Rancho Santa Margarita, California. Dr. Kamarei is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. She is also highly rated in 9 other conditions, according to our data. Her clinical expertise encompasses Insomnia, Hypertension, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension. Dr. Kamarei is board certified in American Board Of Internal Medicine. Dr. Kamarei is currently accepting new patients.

    Advanced in Ulcerative Colitis
    Gastroenterology
    Advanced in Ulcerative Colitis
    Gastroenterology
    Referral may be required
    27799 Medical Center Road, Suite 320, 
    Mission Viejo, CA 
     (4.9 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 Ulcerative 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 Ulcerative Colitis
    Gastroenterology
    Experienced in Ulcerative Colitis
    Gastroenterology
    Referral may be required

    Kevin Ashby MD Inc

    26700 Towne Centre Dr, 
    Foothill Ranch, CA 
     (0.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Kevin Ashby is a Gastroenterologist practicing medicine in Foothill Ranch, California. Dr. Ashby is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. His clinical expertise encompasses Gastric Dysmotility, Diverticular Disease, Ulcerative Colitis, Gastrectomy, and Colonoscopy. Dr. Ashby is board certified in American Board Of Internal Medicine. Dr. Ashby is currently accepting new patients.

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

    Mj Medical Group Inc

    26501 Rancho Pkwy S, 
    Lake Forest, CA 
     (2.8 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 Experienced provider by MediFind in the treatment of Ulcerative 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.

    Experienced in Ulcerative Colitis
    Family Medicine
    Experienced in Ulcerative Colitis
    Family Medicine

    Health And Wellness Center Inc.

    23672 Birtcher Dr Unit Aa, 
    Lake Forest, CA 
     (2.8 miles away)
    Languages Spoken:
    English

    Rizwana Mohseni is a primary care provider, practicing in Family Medicine in Lake Forest, California. Dr. Mohseni is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Maturity Onset Diabetes of the Young, Non-Alcoholic Fatty Liver Disease, Type 2 Diabetes (T2D), and Severe Acute Respiratory Syndrome (SARS).

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

    Hoag Digestive Health Irvine

    16405 Sand Canyon Ave Ste 280, 
    Irvine, CA 
     (3.9 miles away)
    Languages Spoken:
    English, Hindi
    Accepting New Patients
    Offers Telehealth

    Rashmi Kumar is a Gastroenterologist practicing medicine in Irvine, California. Dr. Kumar is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Crohn's Disease, Ulcerative Colitis, Colitis, Hemorrhoids, and Endoscopy. Dr. Kumar is currently accepting new patients.

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

    South Coast Ear Nose & Throat A Medical Corporation

    18 Endeavor Ste 204, 
    Irvine, CA 
     (3.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    David Kaufman is a Gastroenterologist practicing medicine in Irvine, California. Dr. Kaufman is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Gardner Syndrome, Turcot Syndrome, Familial Adenomatous Polyposis, Diverticular Disease, and Gastrectomy.

    Experienced in Ulcerative Colitis
    Hematology | Oncology
    Experienced in Ulcerative Colitis
    Hematology | Oncology
    Referral may be required

    Danny Nguyen, M.D.

    Irvine, CA 
     (3.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Danny Nguyen is a primary care provider, a Hematologist and an Oncologist in Irvine, California. Dr. Nguyen is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Colorectal Cancer, Familial Colorectal Cancer, Lung Cancer, and Non-Hodgkin Lymphoma.

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

    City Of Hope Orange County Lennar Foundation Cancer Center

    Irvine, CA 
     (3.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Lance Uradomo is a Gastroenterologist practicing medicine in Irvine, California. Dr. Uradomo is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 24 other conditions, according to our data. His clinical expertise encompasses Bile Duct Stricture, Cholestasis, Bile Duct Obstruction, Endoscopy, and Pancreatectomy.

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

    Ardalan Babaknia M D Professional Corp.

    15775 Laguna Canyon Rd Ste 240, 
    Irvine, CA 
     (3.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Jim Chou is a Gastroenterologist practicing medicine in Irvine, California. Dr. Chou is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Hemorrhoids, Familial Adenomatous Polyposis, Gastroesophageal Reflux Disease (GERD), Colonoscopy, and Gastrectomy.

    Experienced in Ulcerative Colitis
    Colorectal Surgery
    Experienced in Ulcerative Colitis
    Colorectal Surgery
    Referral may be required

    City Of Hope Orange County Lennar Foundation Cancer Center

    Irvine, CA 
     (3.9 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English
    Offers Telehealth

    Mark Hanna is a Colorectal Surgeon practicing medicine in Irvine, California. He has been practicing medicine for over 17 years. Dr. Hanna is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Colorectal Cancer, Familial Colorectal Cancer, Lynch Syndrome, Hernia Surgery, and Ileostomy.

    Experienced in Ulcerative Colitis
    Internal Medicine
    Experienced in Ulcerative Colitis
    Internal Medicine

    16300 Sand Canyon Ave

    16300 Sand Canyon Ave Ste 614, 
    Irvine, CA 
     (3.9 miles away)
    Languages Spoken:
    English

    Barton Billeci is a primary care provider, practicing in Internal Medicine in Irvine, California. Dr. Billeci is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Asthma in Children, Asthma, Empyema, and Sinusitis.

    Experienced in Ulcerative Colitis
    Family Medicine
    Experienced in Ulcerative Colitis
    Family Medicine

    Kolvita Family Medical Group Inc.

    25982 Pala Ste 180, 
    Mission Viejo, CA 
     (4.4 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Matthew Zeller is a primary care provider, practicing in Family Medicine in Mission Viejo, California. Dr. Zeller is rated as an Experienced provider by MediFind in the treatment of Ulcerative Colitis. He is also highly rated in 35 other conditions, according to our data. His clinical expertise encompasses Cellulitis, Tracheitis, Neuralgia, and Papular Urticaria.

    Experienced in Ulcerative Colitis
    Gastroenterology
    Experienced in Ulcerative Colitis
    Gastroenterology
    Referral may be required
    27799 Medical Center Road, Suite 320, 
    Mission Viejo, CA 
     (4.9 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 Ulcerative 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 Ulcerative Colitis
    Gastroenterology
    Experienced in Ulcerative Colitis
    Gastroenterology
    Referral may be required
    27799 Medical Center Road, Suite 320, 
    Mission Viejo, CA 
     (4.9 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 Experienced provider by MediFind in the treatment of Ulcerative 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.

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

    Mission Heritage Mission Viejo-Gastroenterology

    27799 Medical Center Rd Ste 310, 
    Mission Viejo, CA 
     (4.9 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 Ulcerative 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 Ulcerative Colitis
    Gastroenterology
    Experienced in Ulcerative Colitis
    Gastroenterology
    Referral may be required

    John Witczak DO PC

    26921 Crown Valley Pkwy Ste 201, 
    Mission Viejo, CA 
     (4.9 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 Ulcerative 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.

    Showing 1-20 of 108

    Last Updated: 09/26/2026

    What is the definition of Ulcerative Colitis?

    Ulcerative colitis (UC) is a chronic inflammatory bowel disease (IBD) characterized by the development of ulcers in the lining of the digestive tract, which most often affect the colon and rectum. While ulcerative colitis can occur at any age, it most frequently appears between the ages of 15 and 30, or after the age of 60. There are several types of ulcerative colitis that are categorized by the area of the digestive tract affected by the disease, such as ulcerative proctitis (inflammation of area closest to the rectum), proctosigmoiditis (inflammation of the sigmoid colon and rectum), left-sided colitis (inflammation of descending colon, sigmoid colon, and rectum), pancolitis (inflammation of the entire colon), and a rare form of ulcerative colitis known as acute severe ulcerative colitis (severe inflammation of entire colon). Ulcerative colitis can also affect other areas of the body, causing inflammation of the skin, eyes, liver, joints, and back.

    When should I see an Ulcerative Colitis doctor near foothill ranch, 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 an Ulcerative Colitis doctor near foothill ranch, 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 Ulcerative Colitis doctors near foothill ranch, 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 Ulcerative Colitis doctors near foothill ranch, 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 an Ulcerative Colitis doctor near foothill ranch, 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 Ulcerative Colitis doctor search results page. 

    Why is it important to get a second opinion from a different Ulcerative 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 an Ulcerative Colitis doctor near foothill ranch, 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 Ulcerative 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 Ulcerative 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 Ulcerative Colitis doctors near foothill ranch, CA?

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

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