The 20 Best Celiac Disease Doctors Near Me in costa mesa, CA

Find the Top Celiac Disease Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 67 doctor with experience in Celiac Disease near costa mesa, CA. Of these, 58 are Experienced and 9 are Advanced.

Location
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67 providers found
    Experienced in Celiac Disease
    Gastroenterology
    Experienced in Celiac Disease
    Gastroenterology
    Referral may be required

    Gottschalk Medical Plaza

    1 Medical Plaza Drive, 
    Irvine, CA 
     (3.3 miles away)
    Experience:
    44+ years
    Languages Spoken:
    English
    Offers Telehealth

    William Karnes is a Gastroenterologist practicing medicine in Irvine, California. He has been practicing medicine for over 44 years. Dr. Karnes is rated as an Experienced provider by MediFind in the treatment of Celiac Disease. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Trichohepatoenteric Syndrome, Nonalcoholic Steatohepatitis (NASH), Familial Adenomatous Polyposis, Endoscopy, and Gastrectomy. Dr. Karnes is board certified in American Board Of Internal Medicine - Gastroenterology and American Board Of Internal Medicine - Internal Medicine.

    Experienced in Celiac Disease
    Pediatric Gastroenterology
    Experienced in Celiac Disease
    Pediatric Gastroenterology
    Referral may be required

    Office

    1901 Newport Blvd Ste 235, 
    Costa Mesa, CA 
     (1.4 miles away)
    Languages Spoken:
    English

    Malinda Lin is a Pediatric Gastroenterologist practicing medicine in Costa Mesa, California. Dr. Lin is rated as an Experienced provider by MediFind in the treatment of Celiac Disease. Her clinical expertise encompasses Encopresis, Bowel Incontinence, Celiac Disease, and PIK3CA-Related Overgrowth Spectrum.

    Experienced in Celiac Disease
    Gastroenterology
    Experienced in Celiac Disease
    Gastroenterology
    Referral may be required

    Deguzman Medical Corp.

    1525 Superior Ave Ste 200, 
    Newport Beach, CA 
     (2.8 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 the treatment of Celiac Disease. 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.

    Learn about our expert tiers
    Experienced in Celiac Disease
    Gastroenterology
    Experienced in Celiac Disease
    Gastroenterology
    Referral may be required

    Coast Internal Medicine Consultants

    520 Superior Ave Ste 205, 
    Newport Beach, CA 
     (3.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Christopher Lee is a Gastroenterologist practicing medicine in Newport Beach, California. Dr. Lee is rated as an Experienced provider by MediFind in the treatment of Celiac Disease. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Gardner Syndrome, Turcot Syndrome, Familial Adenomatous Polyposis, and Gastroesophageal Reflux Disease (GERD). Dr. Lee is currently accepting new patients.

    Experienced in Celiac Disease
    Gastroenterology
    Experienced in Celiac Disease
    Gastroenterology
    Referral may be required

    Office

    520 Superior Ave Ste 245, 
    Newport Beach, CA 
     (3.3 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 the treatment of Celiac Disease. 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 Celiac Disease
    Gastroenterology
    Experienced in Celiac Disease
    Gastroenterology
    Referral may be required

    Patricia Shih-Ting Tsai MD Inc.

    496 Old Newport Blvd Ste 1, 
    Newport Beach, CA 
     (3.3 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 the treatment of Celiac Disease. 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 Celiac Disease
    Experienced in Celiac Disease
    Referral may be required

    Coastal Kids A Professional Medical Corp

    2071 San Joaquin Hills Rd, 
    Newport Beach, CA 
     (3.8 miles away)
    Languages Spoken:
    English

    Elizabeth O'connell is a Pediatrics provider practicing medicine in Newport Beach, California. Dr. O'connell is rated as an Experienced provider by MediFind in the treatment of Celiac Disease. Her clinical expertise encompasses Obesity in Children, Developmental Dysphasia Familial, Herpangina, and Idiopathic Short Stature (ISS). Dr. O'connell is board certified in American Board Of Pediatrics.

    Experienced in Celiac Disease
    Gastroenterology | Pediatrics
    Experienced in Celiac Disease
    Gastroenterology | Pediatrics
    Referral may be required

    Children's Gastroenterology Mcsg

    9940 Talbert Ave, 
    Fountain Valley, CA 
     (3.9 miles away)
    Languages Spoken:
    English

    Leon Chen is a Gastroenterologist and a Pediatrics provider practicing medicine in Fountain Valley, California. Dr. Chen is rated as an Experienced provider by MediFind in the treatment of Celiac Disease. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Delayed Growth, Gastroschisis, Trisomy 13, and Tracheoesophageal Fistula. Dr. Chen is board certified in American Board Of Pediatrics.

    Experienced in Celiac Disease
    Gastroenterology | Pediatrics
    Experienced in Celiac Disease
    Gastroenterology | Pediatrics
    Referral may be required

    Pediatric Gastroenterology Associates Of Southern California

    9940 Talbert Ave, 
    Fountain Valley, CA 
     (3.9 miles away)
    Languages Spoken:
    English

    Barry Steinmetz is a Gastroenterologist and a Pediatrics provider practicing medicine in Fountain Valley, California. Dr. Steinmetz is rated as an Experienced provider by MediFind in the treatment of Celiac Disease. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Delayed Growth, Chronic Idiopathic Constipation (CIC), Malnutrition, and Encopresis. Dr. Steinmetz is board certified in American Board Of Pediatrics.

    Experienced in Celiac Disease
    Hematology | Oncology
    Experienced in Celiac Disease
    Hematology | Oncology
    Referral may be required

    City Of Hope Newport Beach

    1601 Avocado Ave, 
    Newport Beach, CA 
     (4.0 miles away)
    Experience:
    31+ years
    Languages Spoken:
    English
    Offers Telehealth

    George Semeniuk is a primary care provider, a Hematologist and an Oncologist in Newport Beach, California. He has been practicing medicine for over 31 years. Dr. Semeniuk is rated as an Experienced provider by MediFind in the treatment of Celiac Disease. He is also highly rated in 68 other conditions, according to our data. His clinical expertise encompasses Small Cell Lung Cancer (SCLC), Lung Cancer, Myelodysplastic Syndrome (MDS), and EGFR Positive Lung Cancer. Dr. Semeniuk is board certified in American Board Internal Medicine.

    Experienced in Celiac Disease
    Internal Medicine
    Experienced in Celiac Disease
    Internal Medicine

    Babak Firoozi, MD

    18035 Brookhurst St Ste 2100, 
    Fountain Valley, CA 
     (4.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Babak Firoozi is a primary care provider, practicing in Internal Medicine in Fountain Valley, California. Dr. Firoozi is rated as an Experienced provider by MediFind in the treatment of Celiac Disease. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Chronic Erosive Gastritis, Diverticular Disease, Portal Hypertension, and Childhood Volvulus.

    Experienced in Celiac Disease
    Gastroenterology
    Experienced in Celiac Disease
    Gastroenterology
    Referral may be required

    Ashkan Farhadi, MD

    18035 Brookhurst St Ste 2100, 
    Fountain Valley, CA 
     (4.2 miles away)
    Languages Spoken:
    English

    Ashkan Farhadi is a Gastroenterologist practicing medicine in Fountain Valley, California. Dr. Farhadi is rated as an Experienced provider by MediFind in the treatment of Celiac Disease. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Familial Adenomatous Polyposis, Turcot Syndrome, Gardner Syndrome, and Ulcerative Colitis.

    Experienced in Celiac Disease
    Pediatrics
    Experienced in Celiac Disease
    Pediatrics
    Referral may be required

    Sunshine Pediatrics OC Inc

    17877 Von Karman Ave Ste 210, 
    Irvine, CA 
     (4.3 miles away)
    Languages Spoken:
    English

    Ji Kim is a Pediatrics provider practicing medicine in Irvine, California. Dr. Kim is rated as an Experienced provider by MediFind in the treatment of Celiac Disease. She is also highly rated in 3 other conditions, according to our data. Her clinical expertise encompasses Obesity in Children, Developmental Dysphasia Familial, Delayed Growth, and Herpangina.

    Experienced in Celiac Disease
    Family Medicine
    Experienced in Celiac Disease
    Family Medicine

    Nahla H Salem MD Inc

    8101 Newman Ave, 
    Huntington Beach, CA 
     (5.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Nahla Salem is a primary care provider, practicing in Family Medicine in Huntington Beach, California. Dr. Salem is rated as an Experienced provider by MediFind in the treatment of Celiac Disease. She is also highly rated in 218 other conditions, according to our data. Her clinical expertise encompasses Acute Cystitis, Otitis, Cellulitis, and Urinary Tract Infection in Children. Dr. Salem is board certified in American Board Of Family Medicine. Dr. Salem is currently accepting new patients.

    Experienced in Celiac Disease
    Internal Medicine
    Experienced in Celiac Disease
    Internal Medicine

    Optum - Chapman

    845 E Chapman Ave, 
    Orange, CA 
     (9.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Thomas Hryniewicki is a primary care provider, practicing in Internal Medicine in Orange, California. Dr. Hryniewicki is rated as an Experienced provider by MediFind in the treatment of Celiac Disease. He is also highly rated in 43 other conditions, according to our data. His clinical expertise encompasses Autoerythrocyte Sensitivity, Purpura, Gardner-Diamond Syndrome, and Cirrhosis. Dr. Hryniewicki is board certified in American Board Of Internal Medicine. Dr. Hryniewicki is currently accepting new patients.

    Experienced in Celiac Disease
    Family Medicine
    Experienced in Celiac Disease
    Family Medicine

    Lam Clinic

    2492 Walnut Ave Ste 100, 
    Tustin, CA 
     (6.9 miles away)
    Experience:
    10+ years
    Languages Spoken:
    English
    Offers Telehealth

    Carrie Lam is a primary care provider, practicing in Family Medicine in Tustin, California. She has been practicing medicine for over 10 years. Dr. Lam is rated as an Experienced provider by MediFind in the treatment of Celiac Disease. Her clinical expertise encompasses Malabsorption, Gas Bloat Syndrome, Small Bowel Bacterial Overgrowth, and Bacterial Gastroenteritis.

    Advanced in Celiac Disease
    Gastroenterology
    Advanced in Celiac Disease
    Gastroenterology
    Referral may be required

    Digestive Disease Consultants Of Orange County Inc.

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

    Matthew Oman is a Gastroenterologist practicing medicine in Irvine, California. Dr. Oman is rated as an Advanced provider by MediFind in the treatment of Celiac Disease. He is also highly rated in 74 other conditions, according to our data. His clinical expertise encompasses Familial Adenomatous Polyposis, Hemorrhoids, Swallowing Difficulty, Endoscopy, and Gastrectomy.

    Advanced in Celiac Disease
    Gastroenterology
    Advanced in Celiac Disease
    Gastroenterology
    Referral may be required

    Digestive Disease Consultants Of Orange County Inc.

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

    Paul Lee is a Gastroenterologist practicing medicine in Irvine, California. Dr. Lee is rated as an Advanced provider by MediFind in the treatment of Celiac Disease. He is also highly rated in 67 other conditions, according to our data. His clinical expertise encompasses Gastroesophageal Reflux Disease (GERD), Swallowing Difficulty, Painful Swallowing, Endoscopy, and Colonoscopy.

    Advanced in Celiac Disease
    Gastroenterology
    Advanced in Celiac Disease
    Gastroenterology
    Referral may be required

    Digestive Disease Consultants Of Orange County Inc.

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

    Shahrooz Bemanian is a Gastroenterologist practicing medicine in Irvine, California. Dr. Bemanian is rated as an Advanced provider by MediFind in the treatment of Celiac Disease. He is also highly rated in 59 other conditions, according to our data. His clinical expertise encompasses Gastroesophageal Reflux Disease (GERD), Chronic Erosive Gastritis, Menetrier Disease, Gastrectomy, and Colonoscopy.

    Advanced in Celiac Disease
    Pediatric Gastroenterology
    Advanced in Celiac Disease
    Pediatric Gastroenterology
    Referral may be required
    1201 West La Veta Avenue, 
    Orange, CA 
     (8.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Bassam Younes is a Pediatric Gastroenterologist practicing medicine in Orange, California. Dr. Younes is rated as an Advanced provider by MediFind in the treatment of Celiac Disease. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Celiac Disease, Atresia of Small Intestine, Encopresis, and Koolen De Vries Syndrome. Dr. Younes is currently accepting new patients.

    Showing 1-20 of 67

    Last Updated: 09/26/2026

    What is the definition of Celiac Disease?

    Celiac disease is a condition in which the immune system is abnormally sensitive to gluten, a protein found in wheat, rye, and barley. Celiac disease is an autoimmune disorder; autoimmune disorders occur when the immune system malfunctions and attacks the body's own tissues and organs. Without a strict, lifelong gluten-free diet, inflammation resulting from immune system overactivity may cause a wide variety of signs and symptoms involving many parts of the body.

    When should I see a Celiac Disease doctor near costa mesa, 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 Celiac Disease doctor near costa mesa, 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 Celiac Disease doctors near costa mesa, 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 Celiac Disease doctors near costa mesa, 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 Celiac Disease doctor near costa mesa, 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 Celiac Disease doctor search results page. 

    Why is it important to get a second opinion from a different Celiac Disease 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 Celiac Disease doctor near costa mesa, 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 Celiac Disease 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 Celiac Disease 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 Celiac Disease doctors near costa mesa, CA?

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

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