The 20 Best Diarrhea Doctors Near Me in Eastvale, CA

Find the Top Diarrhea Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 219 doctor with experience in Diarrhea near Eastvale, CA. Of these, 204 are Experienced, 13 are Advanced and 2 are Distinguished.

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219 providers found
    Advanced in Diarrhea
    Internal Medicine
    Advanced in Diarrhea
    Internal Medicine

    Totalcare Walk-In Clinic

    13334 Limonite Ave, 
    Eastvale, CA 
     (0.8 miles away)
    Experience:
    43+ years
    Languages Spoken:
    English

    Xiao-ling Zhang is a primary care provider, practicing in Internal Medicine in Eastvale, California. She has been practicing medicine for over 43 years. Dr. Zhang is rated as an Advanced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 50 other conditions, according to our data. Her clinical expertise encompasses Tracheitis, High Cholesterol, Papular Urticaria, and Tonsillitis. Dr. Zhang is board certified in American Board Of Internal Medicine.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    Andrea S Tieng MD, Inc

    10801 Foothill Blvd, Ste 106, 
    Rancho Cucamonga, CA 
     (9.5 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 Diarrhea. 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 Diarrhea
    Experienced in Diarrhea

    Riverside Medical Clinic

    12742 Limonite Ave, 
    Eastvale, CA 
     (0.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Anthony Nguyen is a Pediatrics provider practicing medicine in Eastvale, California. Dr. Nguyen is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Obesity in Children, Delayed Growth, Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), and Autism Spectrum Disorder. Dr. Nguyen is currently accepting new patients.

    Learn about our expert tiers
    Experienced in Diarrhea
    Experienced in Diarrhea

    Riverside Medical Clinic Inc

    12742 Limonite Ave, 
    Eastvale, CA 
     (0.7 miles away)
    Languages Spoken:
    English

    Alexis Sandoval is a Pediatrics provider practicing medicine in Eastvale, California. Dr. Sandoval is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her clinical expertise encompasses Obesity in Children, Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Autism Spectrum Disorder, and Delayed Growth.

    Experienced in Diarrhea
    Experienced in Diarrhea

    Riverside Medical Clinic Inc

    12742 Limonite Ave, 
    Eastvale, CA 
     (0.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Roberta Pickett is a Pediatrics provider practicing medicine in Eastvale, California. Dr. Pickett is rated as an Experienced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Obesity in Children, Autism Spectrum Disorder, Delayed Growth, and Asthma in Children.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Norco Medical Group

    1901 Town And Country Dr, 
    Norco, CA 
     (2.8 miles away)
    Experience:
    22+ years
    Languages Spoken:
    English
    Offers Telehealth

    Joanna Meshreky is a primary care provider, practicing in Family Medicine in Norco, California. She has been practicing medicine for over 22 years. Dr. Meshreky is rated as an Experienced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 19 other conditions, according to our data. Her clinical expertise encompasses Obesity in Children, Food Allergy, High Cholesterol, and Type 2 Diabetes (T2D). Dr. Meshreky is board certified in American Board Of Family Medicine.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Norco Medical Group

    1901 Town And Country Dr, 
    Norco, CA 
     (2.8 miles away)
    Experience:
    41+ years
    Languages Spoken:
    English

    Robert Nelson is a primary care provider, practicing in Family Medicine in Norco, California. He has been practicing medicine for over 41 years. Dr. Nelson is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Diabetic Nephropathy, Wilson Disease, Type 2 Diabetes (T2D), and Maturity Onset Diabetes of the Young. Dr. Nelson is board certified in American Board Of Family Medicine.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Citrus Valley Medical Associates, Inc - Eastvale Medical Group

    12523 Limonite Ave Ste 400, 
    Eastvale, CA 
     (2.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Joyce Lazarus is a primary care provider, practicing in Internal Medicine in Eastvale, California. Dr. Lazarus is rated as an Experienced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 7 other conditions, according to our data. Her clinical expertise encompasses High Cholesterol, Arthritis, Glucocorticoid-Remediable Aldosteronism, and Hypertension.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Office

    12442 Limonite Ave Unit 211, 
    Eastvale, CA 
     (2.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Karin Li is a primary care provider, practicing in Internal Medicine in Eastvale, California. Dr. Li is rated as an Experienced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Osteomyelitis in Children, High Cholesterol, Insomnia, and Hypertension.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Allcare Family Clinic

    1781 3rd St, 
    Norco, CA 
     (3.4 miles away)
    Experience:
    28+ years
    Languages Spoken:
    English

    Martin Ahn is a primary care provider, practicing in Family Medicine in Norco, California. He has been practicing medicine for over 28 years. Dr. Ahn is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 20 other conditions, according to our data. His clinical expertise encompasses Cirrhosis, Familial Combined Hyperlipidemia, Xanthoma, and Transcobalamin Deficiency. Dr. Ahn is board certified in American Board Of Family Medicine.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Chino Hills Family Medical Group

    15361 Central Avenue, 
    Chino, CA 
     (7.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Cynthia Moreno is a primary care provider, practicing in Family Medicine in Chino, California. Dr. Moreno is rated as an Experienced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 10 other conditions, according to our data. Her clinical expertise encompasses Empyema, Sinusitis, Cellulitis, and Vertigo.

    Experienced in Diarrhea
    Experienced in Diarrhea
    15855 Pomona Rincon Road, 
    Chino Hills, CA 
     (9.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Karen Alfonso is a Pediatrics provider practicing medicine in Chino Hills, California. Dr. Alfonso is rated as an Experienced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Delayed Growth, Obesity in Children, Autism Spectrum Disorder, and Asthma in Children. Dr. Alfonso is currently accepting new patients.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Riverside Medical Clinic

    3660 Arlington Ave, 
    Riverside, CA 
     (9.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Peter Liao is a primary care provider, practicing in Internal Medicine in Riverside, California. Dr. Liao is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Livedo Reticularis, Sitosterolemia, Sciatica, and Type 2 Diabetes (T2D). Dr. Liao is currently accepting new patients.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Riverside Medical Clinic

    3660 Arlington Ave, 
    Riverside, CA 
     (9.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Tony Kwon is a primary care provider, practicing in Internal Medicine in Riverside, California. Dr. Kwon is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Autoerythrocyte Sensitivity, Gardner-Diamond Syndrome, Purpura, and Type 2 Diabetes (T2D). Dr. Kwon is currently accepting new patients.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Riverside Medical Clinic

    3660 Arlington Ave, 
    Riverside, CA 
     (9.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Ricky Tang is a primary care provider, practicing in Internal Medicine in Riverside, California. Dr. Tang is rated as an Experienced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), High Cholesterol, Autoerythrocyte Sensitivity, Purpura, and Gastrostomy. Dr. Tang is currently accepting new patients.

    Advanced in Diarrhea
    Internal Medicine
    Advanced in Diarrhea
    Internal Medicine

    Sunrise Medical Associates

    817 S Main St, Ste D, 
    Corona, CA 
     (6.5 miles away)
    Languages Spoken:
    English

    David Choi is an Internal Medicine provider practicing medicine in Corona, California. Dr. Choi is rated as an Advanced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 47 other conditions, according to our data. His clinical expertise encompasses Colitis, Gastrointestinal Bleeding, Viral Gastroenteritis, Endoscopy, and Gastrectomy. Dr. Choi is board certified in American Os Bd Internal Medicine.

    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology

    Michael D Molinari MD Facg Inc

    341 Magnolia Ave Ste 207, 
    Corona, CA 
     (7.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Huafeng Shen is a Gastroenterologist practicing medicine in Corona, California. Dr. Shen is rated as an Advanced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Portal Hypertension, Familial Adenomatous Polyposis, Childhood Volvulus, Colonoscopy, and Endoscopy.

    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology

    Carlos R. Vigil DO A Professional Corp.

    7974 Haven Ave Ste 210, 
    Rancho Cucamonga, CA 
     (9.3 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 Diarrhea. 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.

    Advanced in Diarrhea
    Family Medicine
    Advanced in Diarrhea
    Family Medicine

    Riverside Medical Clinic Inc.

    3660 Arlington Ave, 
    Riverside, CA 
     (9.9 miles away)
    Experience:
    10+ years
    Languages Spoken:
    English

    Robert Vela is a primary care provider, practicing in Family Medicine in Riverside, California. He has been practicing medicine for over 10 years. Dr. Vela is rated as an Advanced provider by MediFind in the treatment of Diarrhea. He is also highly rated in 21 other conditions, according to our data. His clinical expertise encompasses Asthma in Children, Asthma, Bronchitis, and Cellulitis.

    Advanced in Diarrhea
    Family Medicine
    Advanced in Diarrhea
    Family Medicine

    Riverside Medical Clinic Inc.

    3660 Arlington Ave, 
    Riverside, CA 
     (9.9 miles away)
    Experience:
    18+ years
    Languages Spoken:
    English

    Christine Vo is a primary care provider, practicing in Family Medicine in Riverside, California. She has been practicing medicine for over 18 years. Dr. Vo is rated as an Advanced provider by MediFind in the treatment of Diarrhea. She is also highly rated in 39 other conditions, according to our data. Her clinical expertise encompasses Kikuchi Disease, Cellulitis, Lymphadenitis, and Acute Cystitis.

    Showing 1-20 of 219

    Last Updated: 04/28/2026

    What is the definition of Diarrhea?

    Diarrhea is when you pass loose or watery stool.

    When should I see a Diarrhea doctor near Eastvale, 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 Diarrhea doctor near Eastvale, 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 Diarrhea doctors near Eastvale, 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 Diarrhea doctors near Eastvale, 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 Diarrhea doctor near Eastvale, 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 Diarrhea doctor search results page. 

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

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

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