The 20 Best Diarrhea Doctors Near Me in Castro Valley, CA

Find the Top Diarrhea Experts and Specialists

The 20 Best Diarrhea Doctors near Castro Valley, CA

Last Updated: 02/22/2026

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MediFind found 197 doctor with experience in Diarrhea near Castro Valley, CA. Of these, 187 are Experienced, 8 are Advanced and 1 are Distinguished.

Location
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197 providers found
    Jyothi Bachwani
    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Castro Valley Care Center

    20101 Lake Chabot Road, 3rd Floor, 
    Castro Valley, CA 
     (1.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Jyothi Bachwani is a primary care provider, practicing in Internal Medicine in Castro Valley, California. Dr. Bachwani is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Diabetic Neuropathy, Type 2 Diabetes (T2D), Familial HDL Deficiency, and Tangier Disease. Dr. Bachwani is currently accepting new patients.

    Experienced in Diarrhea
    Family Medicine
    Experienced in Diarrhea
    Family Medicine

    Stanford Medicine Partners

    20642 John Dr, 
    Castro Valley, CA 
     (0.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Cristina Gesmundo is a primary care provider, practicing in Family Medicine in Castro Valley, California. Dr. Gesmundo 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, and Familial Hypertension.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    Office

    19845 Lake Chabot Rd Ste 104, 
    Castro Valley, CA 
     (1.3 miles away)
    Languages Spoken:
    English

    Wei-fang Ko is a Gastroenterologist in Castro Valley, California. Dr. Ko is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Ascites, Gastrointestinal Bleeding, Familial Adenomatous Polyposis, Endoscopy, and Gastrectomy.

    Learn about our expert tiers
    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    Office

    19845 Lake Chabot Rd Ste 104, 
    Castro Valley, CA 
     (1.3 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Jeffrey Singerman is a Gastroenterologist in Castro Valley, California. Dr. Singerman is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Familial Colorectal Cancer, Irritable Bowel Syndrome (IBS), Gastrointestinal Bleeding, Endoscopy, and Gastrectomy.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    Office

    19845 Lake Chabot Rd Ste 104, 
    Castro Valley, CA 
     (1.3 miles away)
    Languages Spoken:
    English

    Vishal Ghevariya is a Gastroenterologist in Castro Valley, California. Dr. Ghevariya is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Familial Colorectal Cancer, Familial Adenomatous Polyposis, Gardner Syndrome, Endoscopy, and Gallbladder Removal.

    Experienced in Diarrhea
    Experienced in Diarrhea

    Office

    22101 Redwood Rd Ste B, 
    Castro Valley, CA 
     (1.3 miles away)
    Languages Spoken:
    English

    Najibulrahman Saifulrahman is a primary care provider, practicing in General Practice in Castro Valley, California. Dr. Saifulrahman is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Tracheitis, Asthma, Opisthotonos, and Muscle Spasms.

    Experienced in Diarrhea
    Experienced in Diarrhea

    Castro Valley Pediatrics

    22290 Foothill Blvd # 1, 
    Hayward, CA 
     (1.6 miles away)
    Languages Spoken:
    English

    Jerrilyn Johnston is a Pediatrics provider in Hayward, California. Dr. Johnston is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Obesity in Children, Asthma in Children, Anemia, and Autism Spectrum Disorder.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Tiburcio Vasquez Health Center Inc.

    22331 Mission Blvd, 
    Hayward, CA 
     (1.6 miles away)
    Languages Spoken:
    English

    Priya Rajkumar is a primary care provider, practicing in Internal Medicine in Hayward, California. Dr. Rajkumar is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Sciatica, Maturity Onset Diabetes of the Young, Scoliosis, and Type 2 Diabetes (T2D).

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Chao Ho MD Inc.

    13847 E 14th St Ste 113, 
    San Leandro, CA 
     (2.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Chao Ho is a primary care provider, practicing in Internal Medicine in San Leandro, California. Dr. Ho is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Chronic Cough, Hypertension, Familial Hypertension, and Glucocorticoid-Remediable Aldosteronism.

    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    Vin K. Sawhney M.D. Inc.

    13847 E 14th St Ste 101, 
    San Leandro, CA 
     (2.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Vinod Sawhney is a Gastroenterologist in San Leandro, California. Dr. Sawhney is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Diverticular Disease, Enlarged Liver, Gastrointestinal Bleeding, Gastrectomy, and Endoscopy.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    St. Rose Hospital

    27200 Calaroga Ave, 
    Hayward, CA 
     (4.3 miles away)
    Languages Spoken:
    English

    Khashayar Montazeri is a primary care provider, practicing in Internal Medicine in Hayward, California. Dr. Montazeri is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Stroke, Sepsis, Pneumonia, Colonoscopy, and Gastrostomy.

    Experienced in Diarrhea
    Experienced in Diarrhea

    Hayward Pharmacy

    27212 Calaroga Ave, 
    Hayward, CA 
     (4.4 miles away)
    Languages Spoken:
    English

    Carolyn Hudson is a Pediatrics provider in Hayward, California. Dr. Hudson is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Developmental Dysphasia Familial, Auditory Processing Disorder, Delayed Growth, and Croup.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Hayward Pharmacy

    27212 Calaroga Ave, 
    Hayward, CA 
     (4.4 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Houman Sharifi is a primary care provider, practicing in Internal Medicine in Hayward, California. Dr. Sharifi is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are High Cholesterol, Type 2 Diabetes (T2D), Glucocorticoid-Remediable Aldosteronism, and Hypertension.

    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Hayward Pharmacy

    27212 Calaroga Ave, 
    Hayward, CA 
     (4.4 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Nidhi Johri is a primary care provider, practicing in Internal Medicine in Hayward, California. Dr. Johri is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Acrospiroma, Hypertension, Familial Hypertension, and Glucocorticoid-Remediable Aldosteronism.

    Advanced in Diarrhea
    Internal Medicine
    Advanced in Diarrhea
    Internal Medicine

    Tsuling Chang M.D. A Professional Corporation

    5601 Norris Canyon Rd, 
    San Ramon, CA 
     (8.5 miles away)
    Languages Spoken:
    English

    Anderson Rowe is an Internal Medicine provider in San Ramon, California. Dr. Rowe is rated as an Advanced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Familial Adenomatous Polyposis, Esophagitis, Colonoscopy, and Gastrectomy.

    Sonal J. Advani
    Experienced in Diarrhea
    Internal Medicine
    Experienced in Diarrhea
    Internal Medicine

    Danville Center

    915 San Ramon Valley Blvd., Suite 100, 
    Danville, CA 
     (8.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Sonal Advani is a primary care provider, practicing in Internal Medicine in Danville, California. Dr. Advani is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Type 2 Diabetes (T2D), Diabetic Nephropathy, Spasticity, and Maturity Onset Diabetes of the Young.

    Anuja Garg
    Bariatric Medicine
    Bariatric Medicine

    Onestop Aesthetic Travel And Wellness Center

    5924 Stoneridge Dr, Suite 110, 
    Pleasanton, CA 
     (9.6 miles away)
    Experience:
    16+ years
    Languages Spoken:
    Hindi, Punjabi, Spanish, Urdu
    Accepting New Patients

    Dr. Anuja Garg is an Internal Medicine physician practicing in the Bay Area for the last nine years. She is board-certified by the American Board of Internal Medicine. She has been practicing medicine for the last 20 years. She completed her medical school at Lady Hardinge Medical College in New Delhi in 2002. She completed her residency in Internal Medicine from Bronx Lebanon Hospital Center, an affiliate of Albert Einstein College of Medicine in New York, in 2009. She is a member of the American College of Physicians.Dr. Garg is also board-certified in obesity medicine from the American Board of Obesity Medicine and has been a proud member of the Obesity Medicine Association.Dr. Garg has a CDC-recommended Certificate of Travel Health from the International Society of Travel Medicine. She is an active member of the International Society of Travel Medicine.Dr. Garg did her aesthetic training from the American Board of Aesthetic Medicine and has a certificate of training in advanced Aesthetics from the American Board of Aesthetic Medicine. She is well-trained in injections like neuromodulators, derma fillers, and has the right machines and tools to help you achieve the perfect look.Dr. Garg strongly believes that good health is central to living a happy life. She believes that preventive care is an essential part of primary care. She has a special interest in treating chronic diseases like diabetes, thyroid problems, hypertension, and hyperlipidemia. Dr. Garg is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Type 2 Diabetes (T2D), Vitamin D Deficiency, Hypertension, and Glucocorticoid-Remediable Aldosteronism.

    Ritesh Jha
    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    Fremont Center

    3200 Kearney Street, Building 2, Floor 2, 
    Fremont, CA 
     (11.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Ritesh Jha is a Gastroenterologist in Fremont, California. Dr. Jha is rated as an Experienced provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Attenuated Familial Adenomatous Polyposis, Juvenile Polyposis Syndrome, Cronkhite-Canada Disease, Lymphocytic Colitis, and Endoscopy. Dr. Jha is currently accepting new patients.

    Mary Y. Hu
    Experienced in Diarrhea
    Gastroenterology
    Experienced in Diarrhea
    Gastroenterology

    Fremont Center

    3200 Kearney Street, Building 2, 2nd Floor, 
    Fremont, CA 
     (11.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Mary Hu is a Gastroenterologist in Fremont, California. Dr. Hu is rated as an Experienced provider by MediFind in the treatment of Diarrhea. Her top areas of expertise are Hepatitis, Familial Adenomatous Polyposis, Jaundice, and Juvenile Polyposis Syndrome. Dr. Hu is currently accepting new patients.

    Distinguished in Diarrhea
    Gastroenterology
    Distinguished in Diarrhea
    Gastroenterology

    Gagnon Vision Medical Group Inc.

    5575 W Las Positas Blvd Ste 320, 
    Pleasanton, CA 
     (13.4 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Phillip Wolfe is a Gastroenterologist in Pleasanton, California. Dr. Wolfe is rated as a Distinguished provider by MediFind in the treatment of Diarrhea. His top areas of expertise are Diarrhea, Trichohepatoenteric Syndrome, Familial Adenomatous Polyposis, Gastrectomy, and Colonoscopy.

    Showing 1-20 of 197

    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 Castro Valley, 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 Castro Valley, 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 Castro Valley, 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 Castro Valley, 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 Castro Valley, 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 Castro Valley, 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 Castro Valley, 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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