The 20 Best Diarrhea Doctors Near Me in Menlo Park, CA

Find the Top Diarrhea Experts and Specialists

The 20 Best Diarrhea Doctors near Menlo Park, CA

Last Updated: 02/22/2026

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MediFind found 269 doctor with experience in Diarrhea near Menlo Park, CA. Of these, 241 are Experienced, 25 are Advanced, 2 are Distinguished and 1 are Elite.

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269 providers found
    Stephen Luby
    Elite in Diarrhea
    Internal Medicine
    Elite in Diarrhea
    Internal Medicine

    Office

    473 Via Ortega # Y2, 
    Stanford, CA 
     (2.5 miles away)
    Languages Spoken:
    English

    Stephen Luby is a primary care provider, practicing in Internal Medicine in Stanford, California. Dr. Luby is rated as an Elite provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Diarrhea, Parainfluenza, Typhoid Fever, and Salmonella Enterocolitis.

    Jennifer Roost
    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology

    Palo Alto Medical Foundation

    Palo Alto, CA 
     (1.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Jennifer Roost is a Gastroenterologist in Palo Alto, California. Dr. Roost is rated as an Advanced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Familial Adenomatous Polyposis, Turcot Syndrome, Gardner Syndrome, Irritable Bowel Syndrome (IBS), and Colonoscopy. Dr. Roost is currently accepting new patients.

    Daniel S. Rengstorff
    Advanced in Diarrhea
    Gastroenterology
    Advanced in Diarrhea
    Gastroenterology

    Peninsula Gastroenterology Medical Group,Inc.

    2900 Whipple Ave, Ste 245, 
    Redwood City, CA 
     (4.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    I strongly believe in providing compassionate, thorough and up to date medical treatment for all of my patients. I strive to be a good listener to determine the best diagnostic and therapeutic approach for each patient every time I see them in the office. Our entire team here at Peninsula Gastroenterology Medical Group does our best to ensure your visit will be pleasant and stress free! I look forward to meeting with you. Dr. Rengstorff is rated as an Advanced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Diarrhea, Trichohepatoenteric Syndrome, Indigestion, Endoscopy, and Gastrectomy.

    Learn about our expert tiers
    Roger M. Kao
    Distinguished in Diarrhea
    Gastroenterology
    Distinguished in Diarrhea
    Gastroenterology

    Digestive Care Medical Center

    1000 Laurel St, 
    San Carlos, CA 
     (5.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    In his free time, Dr. Kao enjoys playing the piano, listening to live music, enjoying the outdoors and traveling to Italy. He and his wife, who were married in her hometown of Padova, Italy, also love to bike, run and enjoy the outdoors. Dr. Roger Kao is fluent in Mandarin Chinese and conversational medical Spanish and Italian. Dr. Kao is rated as a Distinguished provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Gastric Dysmotility, Irritable Bowel Syndrome (IBS), Diarrhea, Gastrectomy, and Endoscopy.

    Advanced in Diarrhea
    Advanced in Diarrhea

    Stanford Hospital And Clinics

    300 Pasteur Dr, 
    Stanford, CA 
     (1.4 miles away)
    Languages Spoken:
    English

    Mia Karamatsu is a Pediatrics provider in Stanford, California. Dr. Karamatsu is rated as an Advanced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Respiratory Syncytial Virus (RSV) Infection, Diarrhea, Genetic Epilepsy with Febrile Seizures Plus (GEFS+), and Croup.

    Advanced in Diarrhea
    Pediatrics
    Advanced in Diarrhea
    Pediatrics

    Stanford Hospital And Clinics

    300 Pasteur Dr, 
    Stanford, CA 
     (1.4 miles away)
    Languages Spoken:
    English

    Kajal Khanna is a Pediatrics provider in Stanford, California. Dr. Khanna is rated as an Advanced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Respiratory Syncytial Virus (RSV) Infection, Genetic Epilepsy with Febrile Seizures Plus (GEFS+), Diarrhea, and Inappropriate Sinus Tachycardia (IST).

    Advanced in Diarrhea
    Advanced in Diarrhea

    Stanford Hospital And Clinics

    965 High St, 
    Palo Alto, CA 
     (1.6 miles away)
    Languages Spoken:
    English

    Brittany Boswell is a Pediatrics provider in Palo Alto, California. Dr. Boswell is rated as an Advanced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Respiratory Syncytial Virus (RSV) Infection, Genetic Epilepsy with Febrile Seizures Plus (GEFS+), Inappropriate Sinus Tachycardia (IST), and Diarrhea.

    Frank A. Fazzolari
    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    Palo Alto Medical Foundation

    Palo Alto, CA 
     (1.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Frank Fazzolari is a Gastroenterologist in Palo Alto, California. Dr. Fazzolari is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Familial Adenomatous Polyposis, Heartburn, Turcot Syndrome, and Gardner Syndrome. Dr. Fazzolari is currently accepting new patients.

    Nikhil Agarwal
    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    Palo Alto Medical Foundation

    Palo Alto, CA 
     (1.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Nikhil Agarwal is a Gastroenterologist in Palo Alto, California. Dr. Agarwal is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Gastroparesis, Cyclic Vomiting Syndrome, Chronic Idiopathic Constipation (CIC), Colonoscopy, and Endoscopy. Dr. Agarwal is currently accepting new patients.

    Brennan A. Scott
    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    Palo Alto Medical Foundation

    Palo Alto, CA 
     (1.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Brennan Scott is a Gastroenterologist in Palo Alto, California. Dr. Scott is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Familial Adenomatous Polyposis, Turcot Syndrome, Gardner Syndrome, and Cronkhite-Canada Disease. Dr. Scott is currently accepting new patients.

    Erick Chan
    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    Palo Alto Medical Foundation

    Palo Alto, CA 
     (1.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Erick Chan is a Gastroenterologist in Palo Alto, California. Dr. Chan is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Familial Adenomatous Polyposis, Ulcerative Colitis, Visceromegaly, and Jaundice. Dr. Chan is currently accepting new patients.

    Ryan A. Mcconnell
    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    Palo Alto Medical Foundation

    Palo Alto, CA 
     (1.8 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Ryan Mcconnell is a Gastroenterologist in Palo Alto, California. Dr. Mcconnell has been practicing medicine for over 17 years and is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Crohn's Disease, Lymphocytic Colitis, Viral Gastroenteritis, and Colitis. Dr. Mcconnell is currently accepting new patients.

    Distinguished in Diarrhea
    Gastroenterology
    Distinguished in Diarrhea
    Gastroenterology

    Office

    420 Broadway St Ste 2ND, 
    Redwood City, CA 
     (2.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Leila Neshatian is a Gastroenterologist in Redwood City, California. Dr. Neshatian is rated as a Distinguished provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Bowel Incontinence, Irritable Bowel Syndrome (IBS), Neurogenic Bowel, Endoscopy, and Colonoscopy.

    James D. Torosis
    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    Peninsula Gastroenterology Medical Group,Inc.

    2900 Whipple Ave, Ste 245, 
    Redwood City, CA 
     (4.5 miles away)
    Languages Spoken:
    English, French, Greek
    Accepting New Patients
    Offers Telehealth

    Dr. Torosis is a native of Montreal, Canada and founded Peninsula Gastroenterology Medical Group in 1986. Dr. Torosis attended medical school and internship at McGill University in Montreal. In 1982 Dr. Torosis moved to California where he completed his internal medicine residency in San Diego. He attended Yale University for his fellowship in Gastroenterology and Liver Diseases. In 1986 at the completion of his fellowship, he moved to the Peninsula. Dr. Torosis is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Ulcerative Colitis, Diverticular Disease, Familial Adenomatous Polyposis, Colonoscopy, and Gastrectomy.

    Cynthia W. Leung
    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    Peninsula Gastroenterology Medical Group,Inc.

    2900 Whipple Ave, Ste 245, 
    Redwood City, CA 
     (4.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Medicine is an integral and active partnership between patient and physician. I strive to provide care for all my patients with warmth, compassion, and patience. I value being thorough, straightforward, and practicing medicine at the forefront of technology and research. I look forward to being a part of my patient's healthcare team. Dr. Leung is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Gastric Dysmotility, Gastroesophageal Reflux Disease (GERD), Familial Adenomatous Polyposis, Endoscopy, and Gastrectomy.

    Vicky W. Yang
    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    Peninsula Gastroenterology Medical Group,Inc.

    2900 Whipple Ave, Ste 245, 
    Redwood City, CA 
     (4.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Patients are the customers and owners of their health. Doctors are providers of information, education and personalized services to the patients. While doctors are good sources of opinions and guidance, ultimately all decisions should come from well informed patients. Dr. Yang strongly believes the best medical care is delivered when the doctor is a knowledgeable and compassionate patient advocate which includes providing clear communication, recommending options that have sound scientific basis, and developing action plans that are customized and well organized. It is the patient-centric approach that has served Dr. Yang and her patients well over many years. Dr. Yang is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Familial Adenomatous Polyposis, Gastric Dysmotility, Indigestion, Portal Hypertension, and Colonoscopy.

    Experienced in Diarrhea
    Experienced in Diarrhea

    Stanford Hospital And Clinics

    300 Pasteur Dr, 
    Stanford, CA 
     (1.4 miles away)
    Languages Spoken:
    English

    Guillermo De Angulo is a Pediatrics provider in Stanford, California. Dr. De Angulo is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Respiratory Syncytial Virus (RSV) Infection, Genetic Epilepsy with Febrile Seizures Plus (GEFS+), Croup, and Inappropriate Sinus Tachycardia (IST).

    Experienced in Diarrhea
    Pediatrics
    Experienced in Diarrhea
    Pediatrics

    Stanford Hospital And Clinics

    300 Pasteur Dr, 
    Stanford, CA 
     (1.4 miles away)
    Languages Spoken:
    English

    Jason Lowe is a Pediatrics provider in Stanford, California. Dr. Lowe is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Respiratory Syncytial Virus (RSV) Infection, Genetic Epilepsy with Febrile Seizures Plus (GEFS+), Asthma in Children, and Diarrhea.

    Experienced in Diarrhea
    Pediatrics
    Experienced in Diarrhea
    Pediatrics

    Stanford Hospital And Clinics

    300 Pasteur Dr, 
    Stanford, CA 
     (1.4 miles away)
    Languages Spoken:
    English

    Moon Lee is a Pediatrics provider in Stanford, California. Dr. Lee is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Respiratory Syncytial Virus (RSV) Infection, Diarrhea, Inappropriate Sinus Tachycardia (IST), and Genetic Epilepsy with Febrile Seizures Plus (GEFS+).

    Experienced in Diarrhea
    Pediatrics
    Experienced in Diarrhea
    Pediatrics

    Office

    300 Pasteur Dr, 
    Stanford, CA 
     (1.4 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English

    Andrea Fang is a Pediatrics provider in Stanford, California. Dr. Fang 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 Genetic Epilepsy with Febrile Seizures Plus (GEFS+), Inappropriate Sinus Tachycardia (IST), Respiratory Syncytial Virus (RSV) Infection, and Asthma in Children.

    Showing 1-20 of 269

    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 Menlo Park, 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 Menlo Park, 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 Menlo Park, 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 Menlo Park, 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 Menlo Park, 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 Menlo Park, 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 Menlo Park, 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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