The 20 Best Diarrhea Doctors Near Me in Corona, CA

Find the Top Diarrhea Experts and Specialists

The 20 Best Diarrhea Doctors near Corona, CA

Last Updated: 02/22/2026

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MediFind found 126 doctor with experience in Diarrhea near Corona, CA. Of these, 119 are Experienced, 6 are Advanced and 1 are Distinguished.

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126 providers found
    Advanced in Diarrhea
    Internal Medicine
    Advanced in Diarrhea
    Internal Medicine

    Sunrise Medical Associates

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

    David Choi is an Internal Medicine provider in Corona, California. Dr. Choi is rated as an Advanced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Colitis, Gastrointestinal Bleeding, Viral Gastroenteritis, Endoscopy, and Gastrectomy.

    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology

    Michael D Molinari MD Facg Inc

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

    Huafeng Shen is a Gastroenterologist in Corona, California. Dr. Shen is rated as an Advanced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Portal Hypertension, Familial Adenomatous Polyposis, Childhood Volvulus, Colonoscopy, and Endoscopy.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Norco Medical Group

    2250 S Main St, 
    Corona, CA 
     (1.7 miles away)
    Experience:
    27+ years
    Languages Spoken:
    English
    Offers Telehealth

    Christos Bovetas is a primary care provider, practicing in Internal Medicine in Corona, California. Dr. Bovetas has been practicing medicine for over 27 years and is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Type 2 Diabetes (T2D), High Cholesterol, Osteomyelitis in Children, and Anemia.

    Learn about our expert tiers
    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Norco Medical Group

    2250 S Main St, 
    Corona, CA 
     (1.7 miles away)
    Experience:
    33+ years
    Languages Spoken:
    English
    Offers Telehealth

    Helen Patzanakidis is a primary care provider, practicing in Internal Medicine in Corona, California. Dr. Patzanakidis has been practicing medicine for over 33 years and is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Obesity in Children, Obesity, Type 2 Diabetes (T2D), and Diabetic Neuropathy.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Norco Medical Group

    2250 S Main St, 
    Corona, CA 
     (1.7 miles away)
    Experience:
    23+ years
    Languages Spoken:
    English

    Tanya Halper is a primary care provider, practicing in Family Medicine in Corona, California. Dr. Halper has been practicing medicine for over 23 years and is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Obesity in Children, Arthritis, Food Allergy, and High Cholesterol.

    Experienced in Diarrhea
    Experienced in Diarrhea

    Norco Medical Group

    2250 S Main St, 
    Corona, CA 
     (1.7 miles away)
    Experience:
    25+ years
    Languages Spoken:
    English

    Victor Ortuno is a Pediatrics provider in Corona, California. Dr. Ortuno has been practicing medicine for over 25 years and is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Obesity in Children, Asthma in Children, Autism Spectrum Disorder, and Multisystem Inflammatory Syndrome in Children (MIS-C).

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Southern California Emergency Medicine

    1295 Hamner Ave, Suite C, 
    Norco, CA 
     (1.7 miles away)
    Languages Spoken:
    English

    Victor Salib is a primary care provider, practicing in Family Medicine in Norco, California. Dr. Salib is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Otitis, Parinaud Oculoglandular Syndrome, Lymphangitis, and Cellulitis.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    United Gastroenterologists

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

    Omar Shahbaz is a Gastroenterologist in Corona, California. Dr. Shahbaz is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Hemorrhoids, Indigestion, Portal Hypertension, Childhood Volvulus, and Endoscopy.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    Michael D Molinari MD Facg Inc

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

    Edward Politoske is a primary care provider, practicing in Gastroenterologist in Corona, California. Dr. Politoske is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Renovascular Hypertension, Hypertension, Familial Hypertension, and Glucocorticoid-Remediable Aldosteronism.

    Experienced in Diarrhea
    Pediatrics
    Experienced in Diarrhea
    Pediatrics

    Kaiser Permanente Pharmacy No 516

    2055 Kellogg Ave, 
    Corona, CA 
     (2.0 miles away)
    Languages Spoken:
    English

    Roger Nakata is a Pediatrics provider in Corona, California. Dr. Nakata is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Autism Spectrum Disorder, Obesity in Children, Asthma in Children, and Scarlet Fever.

    Experienced in Diarrhea
    Pediatrics
    Experienced in Diarrhea
    Pediatrics

    Kaiser Permanente Pharmacy No 516

    2055 Kellogg Ave, 
    Corona, CA 
     (2.0 miles away)
    Languages Spoken:
    English

    Janeth Ceja is a Pediatrics provider in Corona, California. Dr. Ceja is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Obesity in Children, Autism Spectrum Disorder, Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), and Delayed Growth.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Allcare Family Clinic

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

    Martin Ahn is a primary care provider, practicing in Family Medicine in Norco, California. Dr. Ahn has been practicing medicine for over 28 years and is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Cirrhosis, Familial Combined Hyperlipidemia, Xanthoma, and Transcobalamin Deficiency.

    Experienced in Diarrhea
    Experienced in Diarrhea

    Neighborhood Healthcare

    308 W 6th St Ste 109, 
    Corona, CA 
     (3.0 miles away)
    Languages Spoken:
    English

    Sheetal Luthra is a Pediatrics provider in Corona, California. Dr. Luthra is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Obesity in Children, Autism Spectrum Disorder, Diarrhea, and Undescended Testicle.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Norco Medical Group

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

    Joanna Meshreky is a primary care provider, practicing in Family Medicine in Norco, California. Dr. Meshreky has been practicing medicine for over 22 years and is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Obesity in Children, Food Allergy, High Cholesterol, and Type 2 Diabetes (T2D).

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Norco Medical Group

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

    Robert Nelson is a primary care provider, practicing in Family Medicine in Norco, California. Dr. Nelson has been practicing medicine for over 41 years and is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Type 2 Diabetes (T2D), Obesity in Children, High Cholesterol, and Osteomyelitis in Children.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Riverside Family Physicians A Professional Medical Corp.

    4244 Riverwalk Pkwy, 
    Riverside, CA 
     (4.9 miles away)
    Experience:
    8+ years
    Languages Spoken:
    English
    Offers Telehealth

    Kacie Paik is a primary care provider, practicing in Family Medicine in Riverside, California. Dr. Paik has been practicing medicine for over 8 years and is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Multifocal Motor Neuropathy, Lesch-Nyhan Syndrome, Obesity, and Obesity in Children.

    Experienced in Diarrhea
    Experienced in Diarrhea

    Riverside Family Physicians A Professional Medical Corp.

    4244 Riverwalk Pkwy, 
    Riverside, CA 
     (4.9 miles away)
    Experience:
    35+ years
    Languages Spoken:
    English

    Maryam Samadi is a Pediatrics provider in Riverside, California. Dr. Samadi has been practicing medicine for over 35 years and is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Obesity in Children, Autism Spectrum Disorder, Asthma in Children, and Viral Gastroenteritis.

    Advanced in Diarrhea
    Internal Medicine
    Advanced in Diarrhea
    Internal Medicine

    Totalcare Walk-In Clinic

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

    Xiao-ling Zhang is a primary care provider, practicing in Internal Medicine in Eastvale, California. Dr. Zhang has been practicing medicine for over 43 years and is rated as an Advanced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Tracheitis, High Cholesterol, Papular Urticaria, and Tonsillitis.

    Dennis J. Ponzio
    Experienced in Diarrhea
    Family Medicine | Pediatrics
    Experienced in Diarrhea
    Family Medicine | Pediatrics

    Caduceus Medical Group

    18200 Yorba Linda Blvd, Suite 250, 
    Yorba Linda, CA 
     (13.7 miles away)
    Experience:
    38+ years
    Languages Spoken:
    English
    Offers Telehealth

    Dennis Ponzio is a primary care provider, practicing in Pediatrics and Family Medicine in Yorba Linda, California. Dr. Ponzio has been practicing medicine for over 38 years and is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are High Cholesterol, Hypertension, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension.

    Distinguished in Diarrhea
    Family Medicine
    Distinguished in Diarrhea
    Family Medicine

    Oc Urgent Care Medical Group

    4720 E Chapman Ave, 
    Orange, CA 
     (14.5 miles away)
    Experience:
    21+ years
    Languages Spoken:
    English
    Offers Telehealth

    Nahla Salem is a primary care provider, practicing in Family Medicine in Orange, California. Dr. Salem has been practicing medicine for over 21 years and is rated as a Distinguished provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Acute Cystitis, Otitis, Cellulitis, and Urinary Tract Infection in Children.

    Showing 1-20 of 126

    Last Updated: 02/22/2026

    What is the definition of Diarrhea?

    Diarrhea is when you pass loose or watery stool.

    When should I see a Diarrhea doctor near Corona, 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 Corona, 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 Corona, 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 Corona, 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 Corona, 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 Corona, 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 Corona, 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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