The 20 Best Diarrhea Doctors Near Me in Camarillo, CA

Find the Top Diarrhea Experts and Specialists

The 20 Best Diarrhea Doctors near Camarillo, CA

Last Updated: 02/22/2026

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MediFind found 115 doctor with experience in Diarrhea near Camarillo, CA. Of these, 95 are Experienced, 19 are Advanced and 1 are Distinguished.

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115 providers found
    Karen L. Simon
    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology

    Ventura County Gastroenterology Group

    4005 Mission Oaks Blvd, Ste A, 
    Camarillo, CA 
     (1.2 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.

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

    Ventura County Gastroenterology Group

    4005 Mission Oaks Blvd, Ste A, 
    Camarillo, CA 
     (1.2 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 
     (2.0 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.

    Learn about our expert tiers
    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology
    5800 Santa Rosa Road, Suite 149, 
    Camarillo, CA 
     (2.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Laya Nasrollah is a Gastroenterologist in Camarillo, California. Dr. Nasrollah 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, Diarrhea, Endoscopy, and Gastrectomy. Dr. Nasrollah is currently accepting new patients.

    Avan Patel
    Experienced in Diarrhea
    Geriatrics | Internal Medicine
    Experienced in Diarrhea
    Geriatrics | Internal Medicine

    Primary Care & Specialty Care - Dignity Health Medical Group - Camarillo, CA

    5051 Verdugo Wy, Ste 100 & Ste 110, 
    Camarillo, CA 
     (2.9 miles away)
    Languages Spoken:
    English, Hindi, Spanish
    Accepting New Patients
    Offers Telehealth

    I treat every patient as if they are my family or friends. I listen to my patients and treat them with the utmost respect, dedication, and commitment that I show my family and loved ones, putting their best health interests first. I treat the patient, not just a symptom or an ailment. I do my best to preserve the trust my patients place in me. Dr. Patel is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, Hypertension, Vertebroplasty, and Bone Graft.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    Ventura County Gastroenterology Group

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

    Jay Guan is a Gastroenterologist in Camarillo, California. Dr. Guan is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Hemorrhoids, Hiatal Hernia, Congenital Diaphragmatic Hernia, Colonoscopy, and Gastrectomy. Dr. Guan is currently accepting new patients.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Afrouz S. Gerayli, MD Private Practice

    Camarillo, CA 
     (2.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Afrouz Gerayli is a primary care provider, practicing in Internal Medicine in Camarillo, California. Dr. Gerayli is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Glucocorticoid-Remediable Aldosteronism, Hypertension, Familial Hypertension, and Degos Disease. Dr. Gerayli is currently accepting new patients.

    Nisha Sharma
    Experienced in Diarrhea
    Geriatrics | Internal Medicine
    Experienced in Diarrhea
    Geriatrics | Internal Medicine

    Primary Care & Specialty Care - Dignity Health Medical Group - Camarillo, CA

    5051 Verdugo Wy, Ste 100 & Ste 110, 
    Camarillo, CA 
     (2.9 miles away)
    Experience:
    10+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    I am dedicated to the well-being of patients through compassionate and comprehensive care. Dr. Sharma is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Breast Cancer, Breast Infection, Mesenteric Artery Ischemia, COVID-19, and Lithotripsy.

    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology

    Ventura County Gastroenterology Group

    2241 Wankel Way, Ste A, 
    Oxnard, CA 
     (6.2 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.

    Lilia F. Coppa
    Experienced in Diarrhea
    Experienced in Diarrhea

    Lilia Fernandez Coppa MD Inc.

    451 W Gonzales Rd, Ste 130, 
    Oxnard, CA 
     (8.2 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.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine
    5051 Verdugo Way, Ste 100, 
    Camarillo, CA 
     (2.0 miles away)
    Languages Spoken:
    English

    Jocelyn Napod is a primary care provider, practicing in Internal Medicine in Camarillo, California. Dr. Napod is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Premature Ovarian Failure, Chronic Cough, Infertility, and Vertigo.

    Experienced in Diarrhea
    Experienced in Diarrhea

    Christopher D. Arnold, DO Private Practice

    3901 Las Posas Rd, Ste 207, 
    Camarillo, CA 
     (2.1 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. Arnold is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Sitosterolemia, High Cholesterol, Hypertension, and Familial Hypertension.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Community Memorial Urgent Care

    422 Arneill Rd Ste B, 
    Camarillo, CA 
     (2.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Brian Santini is a primary care provider, practicing in Internal Medicine in Camarillo, California. Dr. Santini is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Hereditary Ataxia, Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Familial Hypertension, and Hypertension.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Office

    422 Arneill Rd Ste A, 
    Camarillo, CA 
     (2.5 miles away)
    Languages Spoken:
    English

    Kellie Zaylor is a primary care provider, practicing in Family Medicine in Camarillo, California. Dr. Zaylor is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Shingles, Chronic Cough, Vertigo, and Tracheitis.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Community Memorial Urgent Care

    422 Arneill Rd Ste B, 
    Camarillo, CA 
     (2.5 miles away)
    Experience:
    18+ years
    Languages Spoken:
    English

    Marc Wright is a primary care provider, practicing in Family Medicine in Camarillo, California. Dr. Wright has been practicing medicine for over 18 years and is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Chronic Cough, Ludwig Angina, Uvulitis, and Vertigo.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Office

    888 W Ventura Blvd Ste A, 
    Camarillo, CA 
     (2.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Paul Algra is a primary care provider, practicing in Family Medicine in Camarillo, California. Dr. Algra is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Obesity, High Cholesterol, Multiple Carboxylase Deficiency, and Vitamin B12 Deficiency Anemia.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    California Healthfirst Physicians

    5051 Verdugo Way Ste 100, 
    Camarillo, CA 
     (2.9 miles away)
    Languages Spoken:
    English

    Mark Stokols is a primary care provider, practicing in Internal Medicine in Camarillo, California. Dr. Stokols is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Chronic Cough, Vertigo, Hypertension, and Familial Hypertension.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Oaks Internal Medicine

    3295 Old Conejo Rd, 
    Newbury Park, CA 
     (5.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Asra Siddiqui is a primary care provider, practicing in Internal Medicine in Newbury Park, California. Dr. Siddiqui is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Adult Immune Thrombocytopenia, Immune Thrombocytopenic Purpura (ITP), Hemangioma Thrombocytopenia Syndrome, and Thrombocytopenia. Dr. Siddiqui 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 
     (8.6 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.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Arroyo Oaks Medical Associates, Inc

    2230 Lynn Rd Ste 200, 
    Thousand Oaks, CA 
     (8.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Sonia Monga is a primary care provider, practicing in Internal Medicine in Thousand Oaks, California. Dr. Monga is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are High Cholesterol, Hypertension, Glucocorticoid-Remediable Aldosteronism, Hip Replacement, and Endoscopy. Dr. Monga is currently accepting new patients.

    Showing 1-20 of 115

    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 Camarillo, 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 Camarillo, 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 Camarillo, 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 Camarillo, 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 Camarillo, 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 Camarillo, 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 Camarillo, 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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