The 20 Best Diarrhea Doctors Near Me in Los Altos, CA

Find the Top Diarrhea Experts and Specialists

The 20 Best Diarrhea Doctors near Los Altos, CA

Last Updated: 02/22/2026

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MediFind found 299 doctor with experience in Diarrhea near Los Altos, CA. Of these, 269 are Experienced, 27 are Advanced, 2 are Distinguished and 1 are Elite.

Location
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299 providers found
    Stephen Luby
    Elite in Diarrhea
    Internal Medicine
    Elite in Diarrhea
    Internal Medicine

    Office

    473 Via Ortega # Y2, 
    Stanford, CA 
     (4.0 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 
     (4.8 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.

    Sanjay Ramrakhiani
    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology
    Mountain View, CA 
     (1.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Sanjay Ramrakhiani is a Gastroenterologist in Mountain View, California. Dr. Ramrakhiani is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Choledocholithiasis, Bile Duct Obstruction, Pancreatic Cancer, Endoscopy, and Pancreatectomy. Dr. Ramrakhiani is currently accepting new patients.

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    Nicole Simpson
    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology
    Mountain View, CA 
     (1.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Nicole Simpson is a Gastroenterologist in Mountain View, California. Dr. Simpson is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Familial Adenomatous Polyposis, Gardner Syndrome, Turcot Syndrome, Gastrectomy, and Colonoscopy. Dr. Simpson is currently accepting new patients.

    Katerina P. Shetler
    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology
    Mountain View, CA 
     (1.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Katerina Shetler is a Gastroenterologist in Mountain View, California. Dr. Shetler is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Gas Bloat Syndrome, Familial Adenomatous Polyposis, Encopresis, Endoscopy, and Colonoscopy. Dr. Shetler is currently accepting new patients.

    Jiayi Li
    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology
    Mountain View, CA 
     (1.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Jiayi Li is a Gastroenterologist in Mountain View, California. Dr. Li 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, Gastrectomy, and Colonoscopy. Dr. Li is currently accepting new patients.

    Sanjeev Tummala
    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology
    Mountain View, CA 
     (1.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Sanjeev Tummala is a Gastroenterologist in Mountain View, California. Dr. Tummala is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Diverticular Disease, Familial Adenomatous Polyposis, Turcot Syndrome, Colonoscopy, and Gastrectomy. Dr. Tummala is currently accepting new patients.

    Peter Simpson
    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology
    Mountain View, CA 
     (1.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Peter Simpson is a Gastroenterologist in Mountain View, California. Dr. Simpson 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, Gastrectomy, and Endoscopy. Dr. Simpson is currently accepting new patients.

    Advanced in Diarrhea
    Advanced in Diarrhea

    Stanford Hospital And Clinics

    965 High St, 
    Palo Alto, CA 
     (4.7 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 
     (4.8 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 
     (4.8 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 
     (4.8 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 
     (4.8 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 
     (4.8 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.

    Advanced in Diarrhea
    Advanced in Diarrhea

    Stanford Hospital And Clinics

    300 Pasteur Dr, 
    Stanford, CA 
     (4.9 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 
     (4.9 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).

    Experienced in Diarrhea
    Experienced in Diarrhea

    Stanford Hospital And Clinics

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

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

    Experienced in Diarrhea
    Experienced in Diarrhea

    Office

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

    Bernard Dannenberg is a Pediatrics provider in Palo Alto, California. Dr. Dannenberg is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Respiratory Syncytial Virus (RSV) Infection, Hepatoblastoma, Asthma in Children, and Diarrhea.

    Experienced in Diarrhea
    Pediatrics
    Experienced in Diarrhea
    Pediatrics

    Stanford Hospital And Clinics

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

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

    Experienced in Diarrhea
    Pediatrics
    Experienced in Diarrhea
    Pediatrics

    Stanford Hospital And Clinics

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

    Agbim Chisom is a Pediatrics provider in Palo Alto, California. Dr. Chisom is rated as an Experienced 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 Croup.

    Showing 1-20 of 299

    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 Los Altos, 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 Los Altos, 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 Los Altos, 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 Los Altos, 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 Los Altos, 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 Los Altos, 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 Los Altos, 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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