The 20 Best Diarrhea Doctors Near Me in San Marcos, CA

Find the Top Diarrhea Experts and Specialists

The 20 Best Diarrhea Doctors near San Marcos, CA

Last Updated: 02/22/2026

Save doctors for later
Sign Up
Not sure about your diagnosis?
Check Your Symptoms
Already have a doctor?
Find A Second Opinion

MediFind found 141 doctor with experience in Diarrhea near San Marcos, CA. Of these, 127 are Experienced, 13 are Advanced and 1 are Distinguished.

Location
LocationClose
141 providers found
    Distinguished in Diarrhea
    Gastroenterology
    Distinguished in Diarrhea
    Gastroenterology

    North County Gastroenterology Medical Group Inc.

    3923 Waring Rd Ste A, 
    Oceanside, CA 
     (7.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Javaid Shad is a Gastroenterologist in Oceanside, California. Dr. Shad is rated as a Distinguished provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Heartburn, Diarrhea, Trichohepatoenteric Syndrome, Gastrectomy, and Colonoscopy.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Truecare

    150 Valpreda Rd, 
    San Marcos, CA 
     (0.6 miles away)
    Languages Spoken:
    English

    Devarshi Nath is a primary care provider, practicing in Family Medicine in San Marcos, California. Dr. Nath is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are COVID-19, Multisystem Inflammatory Syndrome in Children (MIS-C), Bronchitis, and Lymphangitis.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    San Marcos Medical Offices

    400 Craven Rd, 
    San Marcos, CA 
     (1.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Christine Dao is a primary care provider, practicing in Family Medicine in San Marcos, California. Dr. Dao is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Neuralgia, Asthma, Vaginal Cysts, and Vaginal Dryness. Dr. Dao is currently accepting new patients.

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

    San Marcos Medical Offices

    400 Craven Rd, 
    San Marcos, CA 
     (1.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Alejandro Soto is a primary care provider, practicing in Family Medicine in San Marcos, California. Dr. Soto is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Maturity Onset Diabetes of the Young, Hypertension, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension. Dr. Soto is currently accepting new patients.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Cleveland Clinic

    400 Craven Rd, 
    San Marcos, CA 
     (1.0 miles away)
    Languages Spoken:
    English

    Michael Hackett is a primary care provider, practicing in Family Medicine in San Marcos, California. Dr. Hackett is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Glucocorticoid-Remediable Aldosteronism, Hypertension, Familial Hypertension, and Maturity Onset Diabetes of the Young.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Kaiser Permanente San Marcos Medical Center

    360 Rush Dr, 
    San Marcos, CA 
     (2.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Ariyon Schreiber is a primary care provider, practicing in Internal Medicine in San Marcos, California. Dr. Schreiber is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are COVID-19, Cardiomyopathy, Jaundice, and Severe Acute Respiratory Syndrome (SARS). Dr. Schreiber is currently accepting new patients.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Uc San Diego Health-Vista

    910 Sycamore Ave, 
    Vista, CA 
     (3.3 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Hamid Amjadi is a primary care provider, practicing in Internal Medicine in Vista, California. Dr. Amjadi is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Type 2 Diabetes (T2D), Hypothyroidism, Hypertension, and Familial Hypertension.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Uc San Diego Health-Vista

    910 Sycamore Ave, 
    Vista, CA 
     (3.3 miles away)
    Languages Spoken:
    English

    Mary Jaramillo is a primary care provider, practicing in Internal Medicine in Vista, California. Dr. Jaramillo is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Familial Colorectal Cancer, Breast Cancer, Hypothyroidism, and Sitosterolemia.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    John H. Clancy, Do And Tara Leigh Clancy Do Medical Corporation

    2375 S Melrose Dr, 
    Vista, CA 
     (4.4 miles away)
    Experience:
    32+ years
    Languages Spoken:
    English

    John Clancy is a primary care provider, practicing in Internal Medicine in Vista, California. Dr. Clancy has been practicing medicine for over 32 years and is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Fifth Disease, Diabetic Neuropathy, Herpetic Stomatitis, and Gingivostomatitis.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Medical Group Of North County Inc.

    910 Sycamore Ave Ste 270, 
    Vista, CA 
     (4.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Christine Nguyen is a primary care provider, practicing in Internal Medicine in Vista, California. Dr. Nguyen is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Hypothyroidism, Obesity in Children, Hypertension, and Glucocorticoid-Remediable Aldosteronism.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Medical Group Of North County Inc.

    910 Sycamore Ave Ste 270, 
    Vista, CA 
     (4.5 miles away)
    Languages Spoken:
    English

    Neil Levine is a primary care provider, practicing in Internal Medicine in Vista, California. Dr. Levine is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Hypothyroidism, Familial Hypertension, Hypertension, and Glucocorticoid-Remediable Aldosteronism.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Escondido Office - Second Avenue Internal Medicine

    225 E 2nd Ave Ste 102, 
    Escondido, CA 
     (5.7 miles away)
    Languages Spoken:
    English

    Mark Haberman is a primary care provider, practicing in Internal Medicine in Escondido, California. Dr. Haberman is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Osteomyelitis in Children, Type 2 Diabetes (T2D), Glucocorticoid-Remediable Aldosteronism, Hypertension, and Endoscopy.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Surfside Medical Group

    3230 Waring Ct, Ste J, 
    Oceanside, CA 
     (7.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Stewart Wilkey is a primary care provider, practicing in Family Medicine in Oceanside, California. Dr. Wilkey is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Osteomyelitis in Children, Type 2 Diabetes (T2D), Erectile Dysfunction (ED), and Persistent Genital Arousal Disorder.

    Experienced in Diarrhea
    Experienced in Diarrhea

    Office

    3605 Vista Way Ste 130, 
    Oceanside, CA 
     (8.6 miles away)
    Languages Spoken:
    English

    Donald Miller is a Pediatrics provider in Oceanside, California. Dr. Miller is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Obesity in Children, PIK3CA-Related Overgrowth Spectrum, Croup, and Autism Spectrum Disorder.

    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology

    Office

    935 E Pennsylvania Ave, 
    Escondido, CA 
     (5.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Naveen Gara is a Gastroenterologist in Escondido, California. Dr. Gara is rated as an Advanced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Hepatitis, Portal Hypertension, Nonalcoholic Steatohepatitis (NASH), Endoscopy, and Colonoscopy. Dr. Gara is currently accepting new patients.

    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology

    North County Gastroenterology Medical Group Inc.

    3923 Waring Rd Ste A, 
    Oceanside, CA 
     (7.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Michael Shim is a Gastroenterologist in Oceanside, California. Dr. Shim is rated as an Advanced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Familial Adenomatous Polyposis, Painful Swallowing, Swallowing Difficulty, Gastrectomy, and Colonoscopy.

    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology

    North County Gastroenterology Medical Group Inc.

    3923 Waring Rd Ste A, 
    Oceanside, CA 
     (7.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Hellen Chiao is a Gastroenterologist in Oceanside, California. Dr. Chiao is rated as an Advanced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Familial Adenomatous Polyposis, Diverticular Disease, Gastroesophageal Reflux Disease (GERD), and Turcot Syndrome.

    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology

    North County Gastroenterology Medical Group Inc.

    3923 Waring Rd Ste A, 
    Oceanside, CA 
     (7.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Matthew Viernes is a Gastroenterologist in Oceanside, California. Dr. Viernes is rated as an Advanced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Diverticular Disease, Familial Adenomatous Polyposis, Swallowing Difficulty, Gastrectomy, and Colonoscopy.

    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology

    North County Gastroenterology Medical Group Inc.

    3923 Waring Rd Ste A, 
    Oceanside, CA 
     (7.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Christopher Devereaux is a Gastroenterologist in Oceanside, California. Dr. Devereaux is rated as an Advanced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Diverticular Disease, Gastroesophageal Reflux Disease (GERD), Gastric Dysmotility, Endoscopy, and Gastrectomy.

    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology

    Genesis Healthcare Partners, PC

    781 Garden View Ct, 
    Encinitas, CA 
     (7.9 miles away)
    Experience:
    39+ years
    Languages Spoken:
    English
    Offers Telehealth

    Robert Goldklang is a Gastroenterologist in Encinitas, California. Dr. Goldklang has been practicing medicine for over 39 years and is rated as an Advanced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Indigestion, Diverticular Disease, Irritable Bowel Syndrome (IBS), Endoscopy, and Colonoscopy.

    Showing 1-20 of 141

    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 San Marcos, 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 San Marcos, 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 San Marcos, 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 San Marcos, 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 San Marcos, 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 San Marcos, 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 San Marcos, 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 

    Read more about our Content Policy

    More Diarrhea Doctors by city