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    Last Updated: 02/22/2026

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    MediFind found 185 doctor with experience in Colitis near Fontana, CA. Of these, 173 are Experienced and 12 are Advanced.

    Location
    LocationClose
    185 providers found
      Namita Mohideen
      Experienced in Colitis
      Experienced in Colitis

      Namita Mohideen MD Inc

      16465 Sierra Lakes Pkwy #115, 
      Fontana, CA 
       (4.2 miles away)
      Languages Spoken:
      English
      Accepting New Patients

      Your child's health is my top priority. Dr. Mohideen is rated as an Experienced provider by MediFind in the treatment of Colitis. Her top areas of expertise are Food Allergy, Obesity in Children, Otitis, and Candida Infection of the Skin.

      George B. Saffouri
      Experienced in Colitis
      Gastroenterology
      Experienced in Colitis
      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 in Rialto, California. Dr. Saffouri is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Hemorrhoids, Diverticular Disease, Chronic Erosive Gastritis, Endoscopy, and Colonoscopy. Dr. Saffouri is currently accepting new patients.

      Victor Guharoy
      Experienced in Colitis
      Gastroenterology
      Experienced in Colitis
      Gastroenterology

      San Bernardino Gastroenterology Associates

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

      Victor Guharoy is a Gastroenterologist in Rialto, California. Dr. Guharoy is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Gastrointestinal Bleeding, Hemorrhoids, Diverticular Disease, Acute Pancreatitis, and Gastrectomy. Dr. Guharoy is currently accepting new patients.

      Learn about our expert tiers
      Experienced in Colitis
      Family Medicine
      Experienced in Colitis
      Family Medicine

      Sierra San Antonio Medical Corporation

      16465 Sierra Lakes Pkwy Ste 100, 
      Fontana, CA 
       (3.2 miles away)
      Languages Spoken:
      English

      Corliss Shelton is a primary care provider, practicing in Family Medicine in Fontana, California. Dr. Shelton is rated as an Experienced provider by MediFind in the treatment of Colitis. Her top areas of expertise are Type 2 Diabetes (T2D), Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Hypertension.

      Experienced in Colitis
      Family Medicine
      Experienced in Colitis
      Family Medicine

      Lasalle Medical Associates Rialto

      790 E Foothill Blvd, 
      Rialto, CA 
       (4.7 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Andrew Benin is a primary care provider, practicing in Family Medicine in Rialto, California. Dr. Benin is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Obesity in Children, Type 2 Diabetes (T2D), Food Allergy, and Obesity.

      Experienced in Colitis
      Family Medicine
      Experienced in Colitis
      Family Medicine

      Optum-Rialto

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

      Sophia Beyene is a primary care provider, practicing in Family Medicine in Rialto, California. Dr. Beyene is rated as an Experienced provider by MediFind in the treatment of Colitis. Her top areas of expertise are Obesity, Obesity in Children, Osteomyelitis in Children, and Type 2 Diabetes (T2D).

      Advanced in Colitis
      Pediatrics | Family Medicine
      Advanced in Colitis
      Pediatrics | Family Medicine
      9961 Sierra Ave, 
      Fontana, CA 
       (1.3 miles away)
      Languages Spoken:
      English

      Mitzi Loubriel is a primary care provider, practicing in Pediatrics and Family Medicine in Fontana, California. Dr. Loubriel is rated as an Advanced provider by MediFind in the treatment of Colitis. Her top areas of expertise are Otitis, Bronchitis, Asthma, and Roseola.

      Andrea S. Tieng
      Experienced in Colitis
      Gastroenterology
      Experienced in Colitis
      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 Experienced provider by MediFind in the treatment of Colitis. Her top areas of expertise are Diverticular Disease, Familial Adenomatous Polyposis, Gastritis, Gastrectomy, and Endoscopy.

      Cyrus Damirchi
      Experienced in Colitis
      Family Medicine
      Experienced in Colitis
      Family Medicine

      Cyrus Damirchi, MD Private Practice

      355 E 21st St, Ste F, 
      San Bernardino, CA 
       (9.4 miles away)
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Dr. Damirchi is committed to providing you and your family the best possible medical treatment. Each patient is treated like family. Dr. Damirchi strives to exceed patients expectations on every level and make each patient a top priority. Dr. Damirchi is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Osteomyelitis in Children, Wolcott Rallison Syndrome, Type 2 Diabetes (T2D), and Seasonal Affective Disorder (SAD).

      Experienced in Colitis
      Family Medicine
      Experienced in Colitis
      Family Medicine

      Fontana Medical Center

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

      Tienanh Pham is a primary care provider, practicing in Family Medicine in Fontana, California. Dr. Pham is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Bronchitis, Asthma in Children, Asthma, and Parinaud Oculoglandular Syndrome. Dr. Pham is currently accepting new patients.

      Experienced in Colitis
      Family Medicine | Internal Medicine
      Experienced in Colitis
      Family Medicine | Internal Medicine

      Southern California Permanente Medical Group

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

      Aiping Luan is a primary care provider, practicing in Family Medicine and Internal Medicine in Fontana, California. Dr. Luan is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Atypical Pneumonia, Hospital-Acquired Pneumonia, Chronic Obstructive Pulmonary Disease (COPD), and Headache.

      Experienced in Colitis
      Family Medicine
      Experienced in Colitis
      Family Medicine
      9961 Sierra Ave, 
      Fontana, CA 
       (1.3 miles away)
      Languages Spoken:
      English

      Richard Yu is a primary care provider, practicing in Family Medicine in Fontana, California. Dr. Yu is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Parinaud Oculoglandular Syndrome, Parainfluenza Virus Type 3, Parainfluenza, and Bronchitis.

      Experienced in Colitis
      Gastroenterology
      Experienced in Colitis
      Gastroenterology
      9961 Sierra Ave, 
      Fontana, CA 
       (1.3 miles away)
      Languages Spoken:
      English

      Lester Tsai is a Gastroenterologist in Fontana, California. Dr. Tsai is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Crohn's Disease, Hemorrhagic Proctocolitis, Ulcerative Colitis, and Viral Gastroenteritis.

      Experienced in Colitis
      Pediatric Gastroenterology | Pediatrics
      Experienced in Colitis
      Pediatric Gastroenterology | Pediatrics
      9961 Sierra Ave, 
      Fontana, CA 
       (1.3 miles away)
      Languages Spoken:
      English

      Bruce Grill is a Pediatric Gastroenterologist and a Pediatrics provider in Fontana, California. Dr. Grill is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Delayed Growth, Autism Spectrum Disorder, Encopresis, and Colitis.

      Experienced in Colitis
      Family Medicine
      Experienced in Colitis
      Family Medicine

      Fontana Medical Center

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

      Zahoor Sadiq is a primary care provider, practicing in Family Medicine in Fontana, California. Dr. Sadiq is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Cellulitis, Parinaud Oculoglandular Syndrome, Asthma, and Asthma in Children. Dr. Sadiq is currently accepting new patients.

      Experienced in Colitis
      Pediatric Gastroenterology | Pediatrics
      Experienced in Colitis
      Pediatric Gastroenterology | Pediatrics
      9961 Sierra Ave, Peds Clinic Mob 2-2nd Floor, 
      Fontana, CA 
       (1.3 miles away)
      Languages Spoken:
      English

      Mun-wah Ng is a Pediatric Gastroenterologist and a Pediatrics provider in Fontana, California. Dr. Ng is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Cardiofaciocutaneous Syndrome, Fecal Impaction, RASopathies, and Encopresis.

      Experienced in Colitis
      Family Medicine
      Experienced in Colitis
      Family Medicine

      Fontana Medical Center

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

      Tarvinder Singh is a primary care provider, practicing in Family Medicine in Fontana, California. Dr. Singh is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Parinaud Oculoglandular Syndrome, Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Lymphangitis, and Otitis. Dr. Singh is currently accepting new patients.

      Experienced in Colitis
      Family Medicine
      Experienced in Colitis
      Family Medicine

      Southern California Permanente Medical Group

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

      Ming Isinhue is a primary care provider, practicing in Family Medicine in Fontana, California. Dr. Isinhue is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Parinaud Oculoglandular Syndrome, Jock Itch, Viral Gastroenteritis, and Colitis.

      Experienced in Colitis
      Internal Medicine
      Experienced in Colitis
      Internal Medicine

      Fontana Medical Center

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

      Syed Yusuf is a primary care provider, practicing in Internal Medicine in Fontana, California. Dr. Yusuf is rated as an Experienced provider by MediFind in the treatment of Colitis. His top areas of expertise are Gastrointestinal Bleeding, Pneumonia, Atypical Pneumonia, Endoscopy, and Colonoscopy.

      Experienced in Colitis
      Family Medicine
      Experienced in Colitis
      Family Medicine

      Fontana Medical Center

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

      Jiao Xue is a primary care provider, practicing in Family Medicine in Fontana, California. Dr. Xue is rated as an Experienced provider by MediFind in the treatment of Colitis. Her top areas of expertise are Asthma, Lymphangitis, Asthma in Children, and Morning Sickness. Dr. Xue is currently accepting new patients.

      Showing 1-20 of 185

      Last Updated: 02/22/2026

      What is the definition of Colitis?

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

      When should I see a Colitis 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 Colitis 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 Colitis 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 Colitis 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 Colitis 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 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 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 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 Fontana, 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 

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