The 20 Best Bacterial Gastroenteritis Doctors Near Me in Upland, CA

Find the Top Bacterial Gastroenteritis Experts and Specialists

The 20 Best Bacterial Gastroenteritis Doctors near Upland, CA

Last Updated: 02/22/2026

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MediFind found 112 doctor with experience in Bacterial Gastroenteritis near Upland, CA. Of these, 96 are Experienced and 16 are Advanced.

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112 providers found
    Advanced in Bacterial Gastroenteritis
    Gastroenterology
    Advanced in Bacterial Gastroenteritis
    Gastroenterology

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

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

    Basim Abdelkarim is a Gastroenterologist in Upland, California. Dr. Abdelkarim has been practicing medicine for over 27 years and is rated as an Advanced provider by MediFind in the treatment of Bacterial Gastroenteritis. His top areas of expertise are Diverticular Disease, Hemorrhoids, Gastroesophageal Reflux Disease (GERD), Gastrostomy, and Endoscopy.

    Advanced in Bacterial Gastroenteritis
    Internal Medicine
    Advanced in Bacterial Gastroenteritis
    Internal Medicine

    Premiere Medical Group Of California

    901 San Bernardino Rd Ste 101, 
    Upland, CA 
     (0.9 miles away)
    Languages Spoken:
    English

    Ythanh Nguyen is a primary care provider, practicing in Internal Medicine in Upland, California. Dr. Nguyen is rated as an Advanced provider by MediFind in the treatment of Bacterial Gastroenteritis. Her top areas of expertise are Peptic Ulcer, Sepsis, Necrosis, Endoscopy, and Colonoscopy.

    Advanced in Bacterial Gastroenteritis
    Internal Medicine
    Advanced in Bacterial Gastroenteritis
    Internal Medicine

    Kevin Jenkins, Do, Inc.

    944 W Foothill Blvd, 
    Upland, CA 
     (1.1 miles away)
    Experience:
    53+ years
    Languages Spoken:
    English

    Kevin Jenkins is an Internal Medicine provider in Upland, California. Dr. Jenkins has been practicing medicine for over 53 years and is rated as an Advanced provider by MediFind in the treatment of Bacterial Gastroenteritis. His top areas of expertise are Irritable Bowel Syndrome (IBS), Diverticular Disease, Hemorrhoids, Gastrectomy, and Gastrostomy.

    Learn about our expert tiers
    Advanced in Bacterial Gastroenteritis
    Gastroenterology
    Advanced in Bacterial Gastroenteritis
    Gastroenterology

    Carlos R. Vigil DO A Professional Corp.

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

    Hussein Abidali is a Gastroenterologist in Rancho Cucamonga, California. Dr. Abidali is rated as an Advanced provider by MediFind in the treatment of Bacterial Gastroenteritis. His top areas of expertise are Gastrointestinal Bleeding, Hiatal Hernia, Congenital Diaphragmatic Hernia, Endoscopy, and Gastrostomy.

    Advanced in Bacterial Gastroenteritis
    Infectious Disease | Internal Medicine
    Advanced in Bacterial Gastroenteritis
    Infectious Disease | Internal Medicine

    Foothills Infectious Disease Medical Group, Inc.

    935 W Foothill Blvd, 
    Claremont, CA 
     (4.8 miles away)
    Experience:
    45+ years
    Languages Spoken:
    English
    Offers Telehealth

    Sohanjeet Bassi is an Infectious Disease specialist and an Internal Medicine provider in Claremont, California. Dr. Bassi has been practicing medicine for over 45 years and is rated as an Advanced provider by MediFind in the treatment of Bacterial Gastroenteritis. His top areas of expertise are Osteomyelitis, Sepsis, COVID-19, and Multisystem Inflammatory Syndrome in Children (MIS-C).

    Advanced in Bacterial Gastroenteritis
    Infectious Disease | Internal Medicine
    Advanced in Bacterial Gastroenteritis
    Infectious Disease | Internal Medicine

    Foothills Infectious Disease Medical Group, Inc.

    935 W Foothill Blvd, 
    Claremont, CA 
     (4.8 miles away)
    Experience:
    34+ years
    Languages Spoken:
    English

    Deepthi Jayasekara is an Infectious Disease specialist and an Internal Medicine provider in Claremont, California. Dr. Jayasekara has been practicing medicine for over 34 years and is rated as an Advanced provider by MediFind in the treatment of Bacterial Gastroenteritis. His top areas of expertise are Pneumonia, Sepsis, Hospital-Acquired Pneumonia, and Lymphangitis.

    Advanced in Bacterial Gastroenteritis
    Infectious Disease | Internal Medicine
    Advanced in Bacterial Gastroenteritis
    Infectious Disease | Internal Medicine

    Foothills Infectious Disease Medical Group, Inc.

    935 W Foothill Blvd, 
    Claremont, CA 
     (4.8 miles away)
    Experience:
    43+ years
    Languages Spoken:
    English

    Hua Jiang is an Infectious Disease specialist and an Internal Medicine provider in Claremont, California. Dr. Jiang has been practicing medicine for over 43 years and is rated as an Advanced provider by MediFind in the treatment of Bacterial Gastroenteritis. His top areas of expertise are Sepsis, COVID-19, Pneumonia, Lithotripsy, and Tissue Biopsy.

    Experienced in Bacterial Gastroenteritis
    Family Medicine
    Experienced in Bacterial Gastroenteritis
    Family Medicine

    S. M. Hammad Rizvi, M.D., Inc.

    901 San Bernardino Rd, 
    Upland, CA 
     (0.6 miles away)
    Experience:
    25+ years
    Languages Spoken:
    English

    Syed Rizvi is a primary care provider, practicing in Family Medicine in Upland, California. Dr. Rizvi has been practicing medicine for over 25 years and is rated as an Experienced provider by MediFind in the treatment of Bacterial Gastroenteritis. His top areas of expertise are Hypertensive Heart Disease, Multisystem Inflammatory Syndrome in Children (MIS-C), COVID-19, Gastrostomy, and Endoscopy.

    Experienced in Bacterial Gastroenteritis
    Family Medicine
    Experienced in Bacterial Gastroenteritis
    Family Medicine

    ProHealth Partners A Medical Group Inc.

    1042 San Bernardino Rd, 
    Upland, CA 
     (0.7 miles away)
    Languages Spoken:
    English

    Azhar Majeed is a primary care provider, practicing in Family Medicine in Upland, California. Dr. Majeed is rated as an Experienced provider by MediFind in the treatment of Bacterial Gastroenteritis. His top areas of expertise are Hypertensive Heart Disease, Acute Kidney Failure, COVID-19, Gastrostomy, and Endoscopy.

    Experienced in Bacterial Gastroenteritis
    Internal Medicine
    Experienced in Bacterial Gastroenteritis
    Internal Medicine

    ProHealth Partners A Medical Group Inc.

    1042 San Bernardino Rd, 
    Upland, CA 
     (0.7 miles away)
    Languages Spoken:
    English

    Mansurur Khan is a primary care provider, practicing in Internal Medicine in Upland, California. Dr. Khan is rated as an Experienced provider by MediFind in the treatment of Bacterial Gastroenteritis. His top areas of expertise are Renovascular Hypertension, Stroke, Hypertensive Heart Disease, Gastrostomy, and Endoscopy.

    Experienced in Bacterial Gastroenteritis
    Family Medicine
    Experienced in Bacterial Gastroenteritis
    Family Medicine

    Ravinder Singh, Md, Inc.

    525 N 13th Ave, 
    Upland, CA 
     (0.9 miles away)
    Experience:
    27+ years
    Languages Spoken:
    English
    Offers Telehealth

    Ravinder Singh is a primary care provider, practicing in Family Medicine in Upland, California. Dr. Singh has been practicing medicine for over 27 years and is rated as an Experienced provider by MediFind in the treatment of Bacterial Gastroenteritis. His top areas of expertise are Milk-Alkali Syndrome, Hypercalcemia, Type 2 Diabetes (T2D), Hormone Replacement Therapy (HRT), and Parathyroidectomy.

    Experienced in Bacterial Gastroenteritis
    Gastroenterology
    Experienced in Bacterial Gastroenteritis
    Gastroenterology

    Ct Hung MD Inc.

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

    Chuang-ti Hung is a Gastroenterologist in Upland, California. Dr. Hung is rated as an Experienced provider by MediFind in the treatment of Bacterial Gastroenteritis. His top areas of expertise are Diverticular Disease, Trichohepatoenteric Syndrome, Hemorrhoids, Gastrectomy, and Gastrostomy.

    Experienced in Bacterial Gastroenteritis
    Internal Medicine
    Experienced in Bacterial Gastroenteritis
    Internal Medicine

    Hadi, Ghassan, E., M.D., Inc.

    1060 E Foothill Blvd, 
    Upland, CA 
     (0.9 miles away)
    Experience:
    38+ years
    Languages Spoken:
    English
    Offers Telehealth

    Ghassan Hadi is a primary care provider, practicing in Internal Medicine in Upland, California. Dr. Hadi has been practicing medicine for over 38 years and is rated as an Experienced provider by MediFind in the treatment of Bacterial Gastroenteritis. His top areas of expertise are Acute Kidney Failure, End-Stage Renal Disease (ESRD), Sepsis, Gastrostomy, and Endoscopy.

    Experienced in Bacterial Gastroenteritis
    Gastroenterology
    Experienced in Bacterial Gastroenteritis
    Gastroenterology

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

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

    Priyanka Yaramada is a Gastroenterologist in Upland, California. Dr. Yaramada has been practicing medicine for over 18 years and is rated as an Experienced provider by MediFind in the treatment of Bacterial Gastroenteritis. Her top areas of expertise are Anemia, Diverticular Disease, Hemorrhoids, Gastrectomy, and Gastrostomy.

    Experienced in Bacterial Gastroenteritis
    Gastroenterology
    Experienced in Bacterial Gastroenteritis
    Gastroenterology

    Chaparral Medical Group Inc.

    1330 San Bernardino Rd Ste L, 
    Upland, CA 
     (0.9 miles away)
    Languages Spoken:
    English

    Nischita Merla is a Gastroenterologist in Upland, California. Dr. Merla is rated as an Experienced provider by MediFind in the treatment of Bacterial Gastroenteritis. Her top areas of expertise are Cronkhite-Canada Disease, Attenuated Familial Adenomatous Polyposis, Juvenile Polyposis Syndrome, Endoscopy, and Gastrostomy.

    Experienced in Bacterial Gastroenteritis
    Internal Medicine
    Experienced in Bacterial Gastroenteritis
    Internal Medicine

    San Antonio Regional Medical Group Inc.

    901 San Bernardino Rd Ste 300, 
    Upland, CA 
     (0.9 miles away)
    Languages Spoken:
    English

    Ai-jen Wang is a primary care provider, practicing in Internal Medicine in Upland, California. Dr. Wang is rated as an Experienced provider by MediFind in the treatment of Bacterial Gastroenteritis. Her top areas of expertise are Necrosis, Sepsis, Atypical Pneumonia, Colonoscopy, and Endoscopy.

    Experienced in Bacterial Gastroenteritis
    Internal Medicine
    Experienced in Bacterial Gastroenteritis
    Internal Medicine

    Mukesh Amin MD & Tejinder Singh MD Inc.

    914 W Foothill Blvd Ste B, 
    Upland, CA 
     (0.9 miles away)
    Languages Spoken:
    English

    Tejinder Singh is a primary care provider, practicing in Internal Medicine in Upland, California. Dr. Singh is rated as an Experienced provider by MediFind in the treatment of Bacterial Gastroenteritis. His top areas of expertise are Type 2 Diabetes (T2D), Osteomyelitis in Children, Hypertension, Gastrostomy, and Endoscopy.

    Experienced in Bacterial Gastroenteritis
    Family Medicine
    Experienced in Bacterial Gastroenteritis
    Family Medicine

    Unicare Community Health Center Inc.

    437 N Euclid Ave, 
    Ontario, CA 
     (2.0 miles away)
    Languages Spoken:
    English

    William Paley is a primary care provider, practicing in Family Medicine in Ontario, California. Dr. Paley is rated as an Experienced provider by MediFind in the treatment of Bacterial Gastroenteritis. His top areas of expertise are Obesity in Children, Obesity, Food Allergy, and Fish-Eye Disease.

    Experienced in Bacterial Gastroenteritis
    Family Medicine
    Experienced in Bacterial Gastroenteritis
    Family Medicine

    Inland Region Medical Group

    9089 Baseline Rd, 
    Rancho Cucamonga, CA 
     (2.9 miles away)
    Experience:
    37+ years
    Languages Spoken:
    English

    Thomas Woodbury is a primary care provider, practicing in Family Medicine in Rancho Cucamonga, California. Dr. Woodbury has been practicing medicine for over 37 years and is rated as an Experienced provider by MediFind in the treatment of Bacterial Gastroenteritis. His top areas of expertise are End-Stage Renal Disease (ESRD), Kluver Bucy Syndrome, Familial Hypertension, Gastrostomy, and Endoscopy.

    Experienced in Bacterial Gastroenteritis
    Experienced in Bacterial Gastroenteritis

    J.Singh D.O. Inc

    4959 Palo Verde St Ste 206A-5, 
    Montclair, CA 
     (3.0 miles away)
    Languages Spoken:
    English

    Jhujhar Singh is a primary care provider, practicing in Geriatrics in Montclair, California. Dr. Singh is rated as an Experienced provider by MediFind in the treatment of Bacterial Gastroenteritis. His top areas of expertise are Sepsis, Shapiro Syndrome, Dopamine Beta-Hydroxylase Deficiency, Gastrostomy, and Endoscopy.

    Showing 1-20 of 112

    Last Updated: 02/22/2026

    What is the definition of Bacterial Gastroenteritis?

    Bacterial gastroenteritis occurs when there is a bacterial infection of your stomach or intestines.

    When should I see a Bacterial Gastroenteritis doctor near Upland, 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 Bacterial Gastroenteritis doctor near Upland, 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 Bacterial Gastroenteritis doctors near Upland, 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 Bacterial Gastroenteritis doctors near Upland, 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 Bacterial Gastroenteritis doctor near Upland, 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 Bacterial Gastroenteritis doctor search results page. 

    Why is it important to get a second opinion from a different Bacterial Gastroenteritis 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 Bacterial Gastroenteritis doctor near Upland, 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 Bacterial Gastroenteritis 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 Bacterial Gastroenteritis 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 Bacterial Gastroenteritis doctors near Upland, CA?

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

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