The 20 Best Gastritis Doctors Near Me in Fontana, CA

Find the Top Gastritis Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 77 doctor with experience in Gastritis near Fontana, CA. Of these, 66 are Experienced, 9 are Advanced and 2 are Distinguished.

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77 providers found
    Experienced in Gastritis
    Gastroenterology
    Experienced in Gastritis
    Gastroenterology

    San Bernardino Gastroenterology Associates

    2006 N Riverside Ave, Ste B, 
    Rialto, CA 
     (4.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    George Saffouri is a Gastroenterologist practicing medicine in Rialto, California. Dr. Saffouri is rated as an Experienced provider by MediFind in the treatment of Gastritis. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Hemorrhoids, Diverticular Disease, Chronic Erosive Gastritis, Endoscopy, and Colonoscopy. Dr. Saffouri is board certified in Internal Medicine and Internal Medicine (Sub: Gastroenterology). Dr. Saffouri is currently accepting new patients.

    Advanced in Gastritis
    Gastroenterology
    Advanced in Gastritis
    Gastroenterology

    Andrea S Tieng MD, Inc

    10801 Foothill Blvd, Ste 106, 
    Rancho Cucamonga, CA 
     (7.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Dr. Andrea Tieng was born and raised in New York City. She graduated Summa Cum Laude from the City University of New York and completed her medical degree at the State University of New York Health Science Center at the SUNY Downstate College of Medicine in Brooklyn, New York.Her internship and residency in Internal Medicine was completed at the Albert Einstein College of Medicine at Long Island Jewish Medical Center in New Hyde Park, New York, where she also fulfilled her Gastroenterology and Hepatology Fellowship.Board Certified by the American Board of Internal Medicine, Dr. Tieng is licensed to practice in both California and New York. She is a member of the American College of Gastroenterology and the American Gastroenterology Association.Prior to founding her own practice in Redlands and San Bernardino, Dr. Tieng worked as a private gastroenterologist at Cedars-Sinai Medical Center in Los Angeles.Dr. Tieng specializes in providing sensitive and compassionate care to women, and delivers personalized care to all patients 18 years and older. Dr. Tieng is a board certified physician who treats patients with gastrointestinal illnesses and liver diseases. She utilizes innovative technology to perform diagnostic and therapeutic procedures of the gastrointestinal tract, including colonoscopy and upper endoscopy. Dr. Tieng is rated as an Advanced provider by MediFind in the treatment of Gastritis. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Diverticular Disease, Familial Adenomatous Polyposis, Gastritis, Gastrectomy, and Endoscopy. Dr. Tieng is board certified in Internal Medicine. Dr. Tieng is currently accepting new patients.

    Experienced in Gastritis
    Internal Medicine
    Experienced in Gastritis
    Internal Medicine

    United Family Care

    8110 Mango Ave, 
    Fontana, CA 
     (0.9 miles away)
    Languages Spoken:
    English

    Nasser Liasi is a primary care provider, practicing in Internal Medicine in Fontana, California. Dr. Liasi is rated as an Experienced provider by MediFind in the treatment of Gastritis. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Osteomyelitis in Children, Hypertension, and Familial Hypertension.

    Learn about our expert tiers
    Experienced in Gastritis
    Gastroenterology
    Experienced in Gastritis
    Gastroenterology

    Fontana Medical Center

    9961 Sierra Ave, 
    Fontana, CA 
     (1.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Patricia Hsia is a Gastroenterologist practicing medicine in Fontana, California. Dr. Hsia is rated as an Experienced provider by MediFind in the treatment of Gastritis. Her clinical expertise encompasses Hemorrhoids, Gastrointestinal Bleeding, Banti's Syndrome, Alcoholic Cirrhosis, and Endoscopy. Dr. Hsia is currently accepting new patients.

    Experienced in Gastritis
    Family Medicine
    Experienced in Gastritis
    Family Medicine

    Fontana Medical Center

    9961 Sierra Ave, 
    Fontana, CA 
     (1.3 miles away)
    Languages Spoken:
    English

    Michael Muljana is a primary care provider, practicing in Family Medicine in Fontana, California. Dr. Muljana is rated as an Experienced provider by MediFind in the treatment of Gastritis. His clinical expertise encompasses Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Hypertension, and Familial Hypertension.

    Experienced in Gastritis
    Gastroenterology
    Experienced in Gastritis
    Gastroenterology

    Fontana Medical Center

    9961 Sierra Ave, 
    Fontana, CA 
     (1.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Alexander Han is a Gastroenterologist practicing medicine in Fontana, California. Dr. Han is rated as an Experienced provider by MediFind in the treatment of Gastritis. His clinical expertise encompasses Esophageal Varices, Hemorrhoids, Banti's Syndrome, Mallory-Weiss Syndrome, and Endoscopy. Dr. Han is currently accepting new patients.

    Experienced in Gastritis
    Gastroenterology
    Experienced in Gastritis
    Gastroenterology

    Fontana Medical Center

    9961 Sierra Avenue, 
    Fontana, CA 
     (1.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Robert Kung is a primary care provider, practicing in Gastroenterologist in Fontana, California. Dr. Kung is rated as an Experienced provider by MediFind in the treatment of Gastritis. His clinical expertise encompasses Gastritis, Esophageal Varices, Alcoholic Cirrhosis, Mallory-Weiss Syndrome, and Endoscopy. Dr. Kung is currently accepting new patients.

    Experienced in Gastritis
    Gastroenterology
    Experienced in Gastritis
    Gastroenterology

    Fontana Medical Center

    9961 Sierra Avenue, 
    Fontana, CA 
     (1.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Timothy Kuo is a Gastroenterologist practicing medicine in Fontana, California. Dr. Kuo is rated as an Experienced provider by MediFind in the treatment of Gastritis. His clinical expertise encompasses Bile Acid Malabsorption, Hemorrhoids, Visceromegaly, Alcoholic Cirrhosis, and Endoscopy. Dr. Kuo is currently accepting new patients.

    Experienced in Gastritis
    Family Medicine
    Experienced in Gastritis
    Family Medicine

    Kaiser Permanente Fontana Medical Center

    9961 Sierra Avenue, 
    Fontana, CA 
     (1.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Bakr Khalifa is a primary care provider, practicing in Family Medicine in Fontana, California. Dr. Khalifa is rated as an Experienced provider by MediFind in the treatment of Gastritis. His clinical expertise encompasses Asthma, Bronchitis, Asthma in Children, and Parinaud Oculoglandular Syndrome. Dr. Khalifa is currently accepting new patients.

    Experienced in Gastritis
    Internal Medicine
    Experienced in Gastritis
    Internal Medicine

    Optum - Rialto

    1851 N Riverside Ave, 
    Rialto, CA 
     (4.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Paul Chen is a primary care provider, practicing in Internal Medicine in Rialto, California. Dr. Chen is rated as an Experienced provider by MediFind in the treatment of Gastritis. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Osteomyelitis in Children, Type 2 Diabetes (T2D), Autoerythrocyte Sensitivity, and Purpura.

    Experienced in Gastritis
    Family Medicine
    Experienced in Gastritis
    Family Medicine

    Cucamonga Valley Medical Group, Inc.

    16465 Sierra Lakes Pkwy, 
    Fontana, CA 
     (4.9 miles away)
    Experience:
    24+ years
    Languages Spoken:
    English
    Offers Telehealth

    Jesse Minguez is a primary care provider, practicing in Family Medicine in Fontana, California. He has been practicing medicine for over 24 years. Dr. Minguez is rated as an Experienced provider by MediFind in the treatment of Gastritis. He is also highly rated in 49 other conditions, according to our data. His clinical expertise encompasses Familial Combined Hyperlipidemia, Xanthoma, Cirrhosis, and Alcoholic Neuropathy. Dr. Minguez is board certified in American Board Of Family Medicine.

    Experienced in Gastritis
    Internal Medicine
    Experienced in Gastritis
    Internal Medicine

    Arrowhead Regional Medical Center

    400 N Pepper Ave, 
    Colton, CA 
     (5.0 miles away)
    Languages Spoken:
    English

    Wenbai Zhou is a primary care provider, practicing in Internal Medicine in Colton, California. Dr. Zhou is rated as an Experienced provider by MediFind in the treatment of Gastritis. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Sepsis, Atypical Pneumonia, Hospital-Acquired Pneumonia, Liver Embolization, and Hip Replacement.

    Experienced in Gastritis
    Emergency Medicine
    Experienced in Gastritis
    Emergency Medicine

    Community Hospital Of San Bernardino

    1805 Medical Center Dr, 
    San Bernardino, CA 
     (7.0 miles away)
    Languages Spoken:
    English

    Timothy Ballard is an Emergency Medicine provider practicing medicine in San Bernardino, California. Dr. Ballard is rated as an Experienced provider by MediFind in the treatment of Gastritis. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Schizoaffective Disorder, Lymphangitis, Morning Sickness, and Necrosis.

    Advanced in Gastritis
    Gastroenterology
    Advanced in Gastritis
    Gastroenterology

    Carlos R. Vigil DO A Professional Corp.

    7974 Haven Ave Ste 210, 
    Rancho Cucamonga, CA 
     (8.2 miles away)
    Languages Spoken:
    English

    Hussein Abidali is a Gastroenterologist practicing medicine in Rancho Cucamonga, California. Dr. Abidali is rated as an Advanced provider by MediFind in the treatment of Gastritis. He is also highly rated in 44 other conditions, according to our data. His clinical expertise encompasses Gastrointestinal Bleeding, Hiatal Hernia, Congenital Diaphragmatic Hernia, Endoscopy, and Gastrostomy.

    Distinguished in Gastritis
    Gastroenterology
    Distinguished in Gastritis
    Gastroenterology

    Basim Z. Abdelkarim, M.D., Inc.

    1310 San Bernardino Rd, 
    Upland, CA 
     (11.4 miles away)
    Experience:
    27+ years
    Languages Spoken:
    English
    Offers Telehealth

    Basim Abdelkarim is a Gastroenterologist practicing medicine in Upland, California. He has been practicing medicine for over 27 years. Dr. Abdelkarim is rated as a Distinguished provider by MediFind in the treatment of Gastritis. He is also highly rated in 67 other conditions, according to our data. His clinical expertise encompasses Diverticular Disease, Hemorrhoids, Gastroesophageal Reflux Disease (GERD), Gastrostomy, and Endoscopy. Dr. Abdelkarim is board certified in American Board Of Internal Medicine.

    Distinguished in Gastritis
    Gastroenterology
    Distinguished in Gastritis
    Gastroenterology

    Ct Hung MD Inc.

    629 N 13th Ave, 
    Upland, CA 
     (11.4 miles away)
    Languages Spoken:
    English

    Chuang-ti Hung is a Gastroenterologist practicing medicine in Upland, California. Dr. Hung is rated as a Distinguished provider by MediFind in the treatment of Gastritis. He is also highly rated in 47 other conditions, according to our data. His clinical expertise encompasses Diverticular Disease, Trichohepatoenteric Syndrome, Hemorrhoids, Gastrectomy, and Gastrostomy.

    Experienced in Gastritis
    Family Medicine
    Experienced in Gastritis
    Family Medicine

    Kim, Jin Man, M.D., Inc.

    8237 Rochester Ave, 
    Rancho Cucamonga, CA 
     (6.3 miles away)
    Experience:
    31+ years
    Languages Spoken:
    English

    Jin Kim is a primary care provider, practicing in Family Medicine in Rancho Cucamonga, California. He has been practicing medicine for over 31 years. Dr. Kim is rated as an Experienced provider by MediFind in the treatment of Gastritis. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Hypertensive Heart Disease, Enlarged Liver, Restless Legs Syndrome, and Pediatric Myocarditis. Dr. Kim is board certified in American Board Of Family Medicine.

    Experienced in Gastritis
    Internal Medicine
    Experienced in Gastritis
    Internal Medicine

    Viet D. Ta MD & Tiffany L. Quan MD Medical Associates Inc.

    8235 Rochester Ave Ste 110, 
    Rancho Cucamonga, CA 
     (6.3 miles away)
    Languages Spoken:
    English

    Cong Phan is a primary care provider, practicing in Internal Medicine in Rancho Cucamonga, California. Dr. Phan is rated as an Experienced provider by MediFind in the treatment of Gastritis. He is also highly rated in 23 other conditions, according to our data. His clinical expertise encompasses Angiodysplasia of the Colon, Acute Kidney Failure, Visceromegaly, Gastrostomy, and Endoscopy.

    Experienced in Gastritis
    Family Medicine
    Experienced in Gastritis
    Family Medicine

    Cucamonga Valley Medical Group, Inc.

    7777 Milliken Ave, 
    Rancho Cucamonga, CA 
     (7.0 miles away)
    Experience:
    22+ years
    Languages Spoken:
    English
    Offers Telehealth

    Mirelle Ignacio is a primary care provider, practicing in Family Medicine in Rancho Cucamonga, California. She has been practicing medicine for over 22 years. Dr. Ignacio is rated as an Experienced provider by MediFind in the treatment of Gastritis. She is also highly rated in 26 other conditions, according to our data. Her clinical expertise encompasses Obesity, Methylmalonic Acidemia with Homocystinuria, Sulfite Oxidase Deficiency, and Hypermethioninemia. Dr. Ignacio is board certified in American Board Of Family Medicine.

    Experienced in Gastritis
    Internal Medicine
    Experienced in Gastritis
    Internal Medicine

    Rapid Care

    10841 White Oak Ave, 
    Rancho Cucamonga, CA 
     (7.5 miles away)
    Experience:
    46+ years
    Languages Spoken:
    English

    Zaher Azzawi is a primary care provider, practicing in Internal Medicine in Rancho Cucamonga, California. He has been practicing medicine for over 46 years. Dr. Azzawi is rated as an Experienced provider by MediFind in the treatment of Gastritis. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Orbital Cellulitis, Tracheitis, Cellulitis, and Lymphangitis. Dr. Azzawi is board certified in American Board Of Internal Medicine.

    Showing 1-20 of 77

    Last Updated: 04/28/2026

    What is the definition of Gastritis?

    Gastritis occurs when the lining of the stomach becomes inflamed or swollen.

    Gastritis may last for only a short time (acute gastritis) or it may linger for months to years (chronic gastritis).

    When should I see a Gastritis doctor near Fontana, 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 Gastritis doctor near Fontana, 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 Gastritis doctors near Fontana, 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 Gastritis doctors near Fontana, 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 Gastritis doctor near Fontana, 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 Gastritis doctor search results page. 

    Why is it important to get a second opinion from a different Gastritis 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 Gastritis doctor near Fontana, 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 Gastritis 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 Gastritis 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 Gastritis doctors near Fontana, CA?

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

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