The 20 Best Diarrhea Doctors Near Me in Oxnard, CA

Find the Top Diarrhea Experts and Specialists

The 20 Best Diarrhea Doctors near Oxnard, CA

Last Updated: 02/22/2026

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MediFind found 79 doctor with experience in Diarrhea near Oxnard, CA. Of these, 65 are Experienced and 14 are Advanced.

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79 providers found
    Lilia F. Coppa
    Experienced in Diarrhea
    Experienced in Diarrhea

    Lilia Fernandez Coppa MD Inc.

    451 W Gonzales Rd, Ste 130, 
    Oxnard, CA 
     (1.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Our bilingual Pediatric Office is a friendly, patient-oriented environment to foster your children's healthy development. We promote health and happiness by treating the individual as a whole, emphasizing nutrition, prevention, and health education. Dr. Coppa has many years of qualified experience treating babies, toddlers, children and adolescents. As a mother herself, she relates first hand with parent issues both for stay at home as well as working parents. Communication is essential to the heart of our practice. We speak Spanish to better serve our Latino patients. Please visit the website for more information. Dr. Coppa 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, Croup, and Roseola.

    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology

    Ventura County Gastroenterology Group

    2241 Wankel Way, Ste A, 
    Oxnard, CA 
     (2.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Justin Marasigan is a Gastroenterologist in Oxnard, California. Dr. Marasigan is rated as an Advanced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Familial Adenomatous Polyposis, Turcot Syndrome, Gardner Syndrome, Gastrectomy, and Colonoscopy. Dr. Marasigan is currently accepting new patients.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    Magnolia Family Medical Center

    2240 E Gonzales Rd Ste 100, 
    Oxnard, CA 
     (2.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Dipti Sagar is a Gastroenterologist in Oxnard, California. Dr. Sagar is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Familial Colorectal Cancer, DICER1 Syndrome, Diverticular Disease, Hepatitis, and Endoscopy. Dr. Sagar is currently accepting new patients.

    Learn about our expert tiers
    Karen L. Simon
    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology

    Ventura County Gastroenterology Group

    4005 Mission Oaks Blvd, Ste A, 
    Camarillo, CA 
     (9.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Dr. Karen Simon received her B.A. from Stanford University in 1996. She then attended Northwestern University for medical school. She completed her residency at Cedars-Sinai Medical Center in 2004 and her fellowship at UCLA and Cedars in 2008.Dr. Simon has proudly been serving patients in Ventura County since 2008 and is very involved in field research. Dr. Simon is also a speaker for Exact Sciences on behalf of Cologuard and is actively associated in research studies. She is a part of the Takeda Chloride Channel Council and a speaker for Amitiza, as well.She enjoys educating the doctors and the community as a lecturer on topics such as colorectal cancer screening at St. John's Hospital, where she is also a part of the Ethics Committee.Dr. Simon aims specifically to work with patients to discover the problem and develop a treatment strategy. She has a particular interest in Celiac Disease, Inflammatory Bowel Disease (IBD), and a passion for improving colorectal cancer detection.She is dedicated to developing a relationship with patients by utilizing education and mutual information sharing. Dr. Simon is rated as an Advanced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Gastroesophageal Reflux Disease (GERD), Familial Adenomatous Polyposis, Painful Swallowing, Endoscopy, and Colonoscopy.

    Advanced in Diarrhea
    Family Medicine
    Advanced in Diarrhea
    Family Medicine

    Community Memorial Health System

    2921 Saviers Rd, 
    Oxnard, CA 
     (1.7 miles away)
    Languages Spoken:
    English

    Erin Bergeron is a primary care provider, practicing in Family Medicine in Oxnard, California. Dr. Bergeron is rated as an Advanced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Food Allergy, Obesity in Children, Chronic Obstructive Pulmonary Disease (COPD), and Lung Metastases.

    Karen L. Fields
    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    California Coast Physicians, Inc

    2241 Wankel Way, Ste B, 
    Oxnard, CA 
     (2.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Offers high-quality, individualized care with compassion. Believes communication and collaboration with patients is the foundation for effective relationships. Through effective education, patients are empowered to partner in their care and achieve their health goals. Dr. Fields is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Osteoporosis, Postmenopausal Osteoporosis, Insomnia, and Glucocorticoid-Remediable Aldosteronism.

    Jose M. Pleitez
    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Spanish Hills Medical Group

    1901 Outlet Center Dr, Ste 200, 
    Oxnard, CA 
     (2.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Offers high-quality, individualized care with compassion. Believes communication and collaboration with patients is the foundation for effective relationships. Through effective education, patients are empowered to partner in their care and achieve their health goals. Dr. Pleitez is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Obesity, Glucocorticoid-Remediable Aldosteronism, Hypertension, and Familial Hypertension.

    Advanced in Diarrhea
    Family Medicine
    Advanced in Diarrhea
    Family Medicine

    Primary Medical Group Of Ventura County Inc

    2772 Johnson Dr Ste 200, 
    Ventura, CA 
     (3.8 miles away)
    Languages Spoken:
    English

    Edward Banman is a primary care provider, practicing in Family Medicine in Ventura, California. Dr. Banman is rated as an Advanced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Tietz Syndrome, Costochondritis, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension.

    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology

    Island View Gastroenterology Associates

    168 N Brent St Ste 404, 
    Ventura, CA 
     (6.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Kip Lyche is a Gastroenterologist in Ventura, California. Dr. Lyche is rated as an Advanced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Esophageal Varices, Enlarged Liver, Visceromegaly, Endoscopy, and Colonoscopy. Dr. Lyche is currently accepting new patients.

    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology

    Island View Gastroenterology Associates

    168 N Brent St Ste 404, 
    Ventura, CA 
     (6.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Benito Pedraza is a Gastroenterologist in Ventura, California. Dr. Pedraza is rated as an Advanced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Familial Adenomatous Polyposis, Gastrointestinal Bleeding, Gastric Dysmotility, Endoscopy, and Gastrectomy. Dr. Pedraza is currently accepting new patients.

    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology

    Island View Gastroenterology Associates

    168 N Brent St Ste 404, 
    Ventura, CA 
     (6.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Joel Alpern is a Gastroenterologist in Ventura, California. Dr. Alpern is rated as an Advanced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Gastric Dysmotility, Gastroesophageal Reflux Disease (GERD), Diarrhea, Endoscopy, and Gastrectomy. Dr. Alpern is currently accepting new patients.

    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology

    Island View Gastroenterology Associates

    168 N Brent St Ste 404, 
    Ventura, CA 
     (6.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Charles Menz is a Gastroenterologist in Ventura, California. Dr. Menz is rated as an Advanced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Familial Adenomatous Polyposis, Hepatitis C, Gastroesophageal Reflux Disease (GERD), Endoscopy, and Gastrostomy. Dr. Menz is currently accepting new patients.

    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology

    Stephen D. Covington, MD Private Practice

    168 N Brent St, Ste 404, 
    Ventura, CA 
     (7.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Stephen Covington is a Gastroenterologist in Ventura, California. Dr. Covington is rated as an Advanced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Hepatitis, Hepatitis C, Gastroesophageal Reflux Disease (GERD), Endoscopy, and Gastrectomy. Dr. Covington is currently accepting new patients.

    Micha S. Rojany
    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    Ventura County Gastroenterology Group

    4005 Mission Oaks Blvd, Ste A, 
    Camarillo, CA 
     (9.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Dr. Micha Rojany was born and raised in Southern California. He received his undergraduate degree from the University of California, Berkeley. He attended USC Medical School and completed his internship and residency at Cedars-Sinai Medical Center in Los Angeles. His fellowship in Gastroenterology was completed at the University of California, Davis.Dr. Rojany has practiced in Ventura County since 2006 and is an active member of the local medical community and hospital staff at St. John's Regional Medical Center in Oxnard, and Pleasant Valley Hospital, in Camarillo. He enjoys practicing as a Gastroenterologist with special interests in inflammatory bowel disease and biliary tract diseases.As a Gastroenterologist, Dr. Rojany enjoys the depth and breadth of his field. He takes pride in providing excellent care while taking care of his patients and meeting their needs as a community specialist in digestive diseases. Dr. Rojany is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Familial Adenomatous Polyposis, Gastrointestinal Bleeding, Angiodysplasia of the Colon, Endoscopy, and Gastrectomy.

    Calvin C. Lin
    Experienced in Diarrhea
    Experienced in Diarrhea

    Calvin C. Lin, MD Private Practice

    2438 N Ponderosa Dr, Ste C209, 
    Camarillo, CA 
     (9.4 miles away)
    Languages Spoken:
    English, Mandarin, Spanish
    Accepting New Patients

    Offers high-quality, individualized care with compassion. Believes communication and collaboration with patients is the foundation for effective relationships. Through effective education, patients are empowered to partner in their care and achieve their health goals. Dr. Lin is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Obesity in Children, Viral Gastroenteritis, Diarrhea, and Autism Spectrum Disorder.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    CB Rehab Partners Inc

    1751 Lombard St Ste A, 
    Oxnard, CA 
     (0.6 miles away)
    Languages Spoken:
    English

    Gregorio Ruelas is a primary care provider, practicing in Family Medicine in Oxnard, California. Dr. Ruelas is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Type 2 Diabetes (T2D), Apparent Mineralocorticoid Excess, Hyperaldosteronism, and Familial Hyperaldosteronism.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    Ventura County Gastroenterology Medical GRP Inc

    2241 Wankel Way Ste A, 
    Oxnard, CA 
     (0.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Donald Miller is a Gastroenterologist in Oxnard, California. Dr. Miller is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Gas Bloat Syndrome, Non-Alcoholic Fatty Liver Disease, Visceromegaly, Endoscopy, and Gastrectomy.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    Ventura County Gastroenterology Medical GRP Inc

    2241 Wankel Way Ste A, 
    Oxnard, CA 
     (0.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Ashwinee Condon is a Gastroenterologist in Oxnard, California. Dr. Condon is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Familial Adenomatous Polyposis, Barrett Esophagus, Gastroesophageal Reflux Disease (GERD), Painful Swallowing, and Endoscopy.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Community Memorial Health System

    2921 Saviers Rd, 
    Oxnard, CA 
     (1.7 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English, Spanish

    Jayni Parikh is a primary care provider, practicing in Family Medicine in Oxnard, California. Dr. Parikh has been practicing medicine for over 17 years and is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Chronic Cough, Shingles, Vertigo, and Multisystem Inflammatory Syndrome in Children (MIS-C).

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Community Memorial Health System

    2921 Saviers Rd, 
    Oxnard, CA 
     (1.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Joseph Rodriguez is a primary care provider, practicing in Family Medicine in Oxnard, California. Dr. Rodriguez is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Diabetic Nephropathy, Type 2 Diabetes (T2D), Familial Wilms Tumor 2, and WT1-Related Wilms Tumor Syndromes.

    Showing 1-20 of 79

    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 Oxnard, 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 Oxnard, 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 Oxnard, 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 Oxnard, 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 Oxnard, 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 Oxnard, 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 Oxnard, 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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