The 20 Best Gastrointestinal Fistula Doctors Near Me in Concord, CA

Find the Top Gastrointestinal Fistula Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 22 doctor with experience in Gastrointestinal Fistula near Concord, CA. Of these, 20 are Experienced and 2 are Advanced.

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22 providers found
    Advanced in Gastrointestinal Fistula
    General Surgery
    Advanced in Gastrointestinal Fistula
    General Surgery

    Walnut Creek Surgical Assoicates Inc

    130 La Casa Via Bldg 3, 
    Walnut Creek, CA 
     (5.8 miles away)
    Languages Spoken:
    English

    Steven Young is a General Surgeon practicing medicine in Walnut Creek, California. Dr. Young is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Fistula. He is also highly rated in 21 other conditions, according to our data. His clinical expertise encompasses Hernia, Cellulitis, Necrosis, Hernia Surgery, and Gastrectomy.

    Experienced in Gastrointestinal Fistula
    Internal Medicine
    Experienced in Gastrointestinal Fistula
    Internal Medicine

    John Muir Health Concord Medical Center

    2540 East St, 
    Concord, CA 
     (0.4 miles away)
    Languages Spoken:
    English

    Mandakini Patel is a primary care provider, practicing in Internal Medicine in Concord, California. Dr. Patel is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Fistula. She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Sepsis, Peptic Ulcer, Necrosis, Bone Marrow Aspiration, and Endoscopy.

    Experienced in Gastrointestinal Fistula
    Internal Medicine
    Experienced in Gastrointestinal Fistula
    Internal Medicine

    John Muir Health Concord Medical Center

    2540 East St, 
    Concord, CA 
     (0.4 miles away)
    Languages Spoken:
    English

    Brian O'connor is a primary care provider, practicing in Internal Medicine in Concord, California. Dr. O'connor is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Fistula. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Sepsis, Peptic Ulcer, Stroke, Ureteroscopy, and Pacemaker Implantation.

    Learn about our expert tiers
    Experienced in Gastrointestinal Fistula
    Internal Medicine
    Experienced in Gastrointestinal Fistula
    Internal Medicine

    John Muir Health Concord Medical Center

    2540 East St, 
    Concord, CA 
     (0.4 miles away)
    Languages Spoken:
    English

    Uyen-chi Huynh is a primary care provider, practicing in Internal Medicine in Concord, California. Dr. Huynh is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Fistula. She is also highly rated in 10 other conditions, according to our data. Her clinical expertise encompasses Osteomyelitis in Children, Sepsis, Peptic Ulcer, Gastrostomy, and Endoscopy.

    Experienced in Gastrointestinal Fistula
    Internal Medicine
    Experienced in Gastrointestinal Fistula
    Internal Medicine

    John Muir Health Concord Medical Center

    2540 East St, 
    Concord, CA 
     (0.4 miles away)
    Languages Spoken:
    English

    Jonathan Tse is a primary care provider, practicing in Internal Medicine in Concord, California. Dr. Tse is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Fistula. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Sepsis, Peptic Ulcer, Necrosis, Gastrostomy, and Colonoscopy.

    Experienced in Gastrointestinal Fistula
    Internal Medicine
    Experienced in Gastrointestinal Fistula
    Internal Medicine

    John Muir Health Concord Medical Center

    2540 East St, 
    Concord, CA 
     (0.4 miles away)
    Languages Spoken:
    English

    Abraham Chung is a primary care provider, practicing in Internal Medicine in Concord, California. Dr. Chung is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Fistula. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Sepsis, Peptic Ulcer, Necrosis, Endoscopy, and Pacemaker Implantation.

    Experienced in Gastrointestinal Fistula
    General Surgery
    Experienced in Gastrointestinal Fistula
    General Surgery

    Advanced Sleep Diagnostics Inc.

    2637 Shadelands Dr, 
    Walnut Creek, CA 
     (3.8 miles away)
    Languages Spoken:
    English

    Jason Moy is a General Surgeon practicing medicine in Walnut Creek, California. Dr. Moy is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Fistula. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Hernia, Cholecystitis, Gallbladder Disease, Sleeve Gastrectomy, and Gastrectomy.

    Experienced in Gastrointestinal Fistula
    Gastroenterology
    Experienced in Gastrointestinal Fistula
    Gastroenterology

    John Muir Medical Center Walnut Creek

    1601 Ygnacio Valley Rd, 
    Walnut Creek, CA 
     (4.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Matthew Chin is a Gastroenterologist practicing medicine in Walnut Creek, California. Dr. Chin is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Fistula. He is also highly rated in 44 other conditions, according to our data. His clinical expertise encompasses Bile Duct Obstruction, Familial Adenomatous Polyposis, Juvenile Polyposis Syndrome, Endoscopy, and Colonoscopy.

    Experienced in Gastrointestinal Fistula
    Internal Medicine
    Experienced in Gastrointestinal Fistula
    Internal Medicine

    John Muir Medical Center Walnut Creek

    1601 Ygnacio Valley Rd, 
    Walnut Creek, CA 
     (4.8 miles away)
    Languages Spoken:
    English

    Neeta Milasincic is a primary care provider, practicing in Internal Medicine in Walnut Creek, California. Dr. Milasincic is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Fistula. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Sepsis, Peptic Ulcer, Necrosis, Colonoscopy, and Endoscopy.

    Experienced in Gastrointestinal Fistula
    Internal Medicine
    Experienced in Gastrointestinal Fistula
    Internal Medicine

    John Muir Medical Center Walnut Creek

    1601 Ygnacio Valley Rd, 
    Walnut Creek, CA 
     (4.8 miles away)
    Languages Spoken:
    English

    Bibanjeet Virk is a primary care provider, practicing in Internal Medicine in Walnut Creek, California. Dr. Virk is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Fistula. She is also highly rated in 8 other conditions, according to our data. Her clinical expertise encompasses Sepsis, Peptic Ulcer, Necrosis, Ureteroscopy, and Pacemaker Implantation.

    Experienced in Gastrointestinal Fistula
    Pediatric Gastroenterology
    Experienced in Gastrointestinal Fistula
    Pediatric Gastroenterology

    Stanford Medicine Children's Health Specialty Services-Walnut Creek-Pediatric Neurolog

    106 La Casa Via, 
    Walnut Creek, CA 
     (4.9 miles away)
    Languages Spoken:
    English

    Sarika Aggarwal is a Pediatric Gastroenterologist practicing medicine in Walnut Creek, California. Dr. Aggarwal is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Fistula. She is also highly rated in 8 other conditions, according to our data. Her clinical expertise encompasses Encopresis, Delayed Growth, Malnutrition, and Bowel Incontinence.

    Experienced in Gastrointestinal Fistula
    Colorectal Surgery
    Experienced in Gastrointestinal Fistula
    Colorectal Surgery

    Office

    1479 Ygnacio Valley Rd Ste 200, 
    Walnut Creek, CA 
     (5.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Salvador Guevara is a Colorectal Surgeon practicing medicine in Walnut Creek, California. Dr. Guevara is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Fistula. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Rectal Prolapse, Anal Fissure, Proctitis, Bladder Reconstruction, and Hernia Surgery.

    Experienced in Gastrointestinal Fistula
    General Surgery
    Experienced in Gastrointestinal Fistula
    General Surgery

    Office

    130 La Casa Via Ste 211, 
    Walnut Creek, CA 
     (5.8 miles away)
    Languages Spoken:
    English

    Charleen Kim is a General Surgeon practicing medicine in Walnut Creek, California. Dr. Kim is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Fistula. She is also highly rated in 18 other conditions, according to our data. Her clinical expertise encompasses Breast Cancer, Paget Disease of the Breast, Angiosarcoma, Lymphadenectomy, and Hernia Surgery.

    Experienced in Gastrointestinal Fistula
    Colorectal Surgery
    Experienced in Gastrointestinal Fistula
    Colorectal Surgery

    Bay Area Colon & Rectal Surgeons

    365 Lennon Ln Ste 290, 
    Walnut Creek, CA 
     (5.8 miles away)
    Languages Spoken:
    English

    Negar Salehomoum is a Colorectal Surgeon practicing medicine in Walnut Creek, California. Dr. Salehomoum is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Fistula. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Familial Colorectal Cancer, Proctitis, Retroperitoneal Inflammation, Hemorrhoidectomy, and Hernia Surgery.

    Experienced in Gastrointestinal Fistula
    Colorectal Surgery
    Experienced in Gastrointestinal Fistula
    Colorectal Surgery

    Office

    1479 Ygnacio Valley Rd Ste 200, 
    Walnut Creek, CA 
     (5.8 miles away)
    Languages Spoken:
    English

    Piyush Aggarwal is a Colorectal Surgeon practicing medicine in Walnut Creek, California. Dr. Aggarwal is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Fistula. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Mesenteric Venous Thrombosis, Hemorrhoids, Bowel Incontinence, Bladder Reconstruction, and Hernia Surgery.

    Advanced in Gastrointestinal Fistula
    Gastroenterology
    Advanced in Gastrointestinal Fistula
    Gastroenterology

    Office

    1479 Ygnacio Valley Rd Ste 150, 
    Walnut Creek, CA 
     (5.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Drew Schembre is a Gastroenterologist practicing medicine in Walnut Creek, California. Dr. Schembre is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Fistula. He is also highly rated in 58 other conditions, according to our data. His clinical expertise encompasses Acute Pancreatitis, Childhood Pancreatitis, Achalasia, Endoscopy, and Gastrectomy.

    Experienced in Gastrointestinal Fistula
    Gastroenterology
    Experienced in Gastrointestinal Fistula
    Gastroenterology

    Office

    1479 Ygnacio Valley Rd Ste 150, 
    Walnut Creek, CA 
     (5.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Kanwar Gill is a Gastroenterologist practicing medicine in Walnut Creek, California. Dr. Gill is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Fistula. He is also highly rated in 86 other conditions, according to our data. His clinical expertise encompasses Gastroesophageal Reflux Disease (GERD), Familial Adenomatous Polyposis, Angiodysplasia of the Colon, Gastrectomy, and Colonoscopy.

    Experienced in Gastrointestinal Fistula
    General Surgery
    Experienced in Gastrointestinal Fistula
    General Surgery

    Office

    1479 Ygnacio Valley Rd Ste 200, 
    Walnut Creek, CA 
     (5.8 miles away)
    Languages Spoken:
    English

    Ben Schwab is a General Surgeon practicing medicine in Walnut Creek, California. Dr. Schwab is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Fistula. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Choledocholithiasis, Hernia, Umbilical Hernia, Endoscopy, and Gastrectomy.

    Experienced in Gastrointestinal Fistula
    General Surgery
    Experienced in Gastrointestinal Fistula
    General Surgery

    Bay Area Colon & Rectal Surgeons

    365 Lennon Ln Ste 290, 
    Walnut Creek, CA 
     (5.8 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English

    Poornima Vanguri is a General Surgeon practicing medicine in Walnut Creek, California. She has been practicing medicine for over 17 years. Dr. Vanguri is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Fistula. Her clinical expertise encompasses Ogilvie Syndrome, Hemorrhoids, Proctitis, Hernia Surgery, and Bladder Reconstruction.

    Experienced in Gastrointestinal Fistula
    Gastroenterology
    Experienced in Gastrointestinal Fistula
    Gastroenterology

    Walnut Creek Medical Center

    1515 Newell Avenue, 
    Walnut Creek, CA 
     (6.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Patrick Mckenzie is a Gastroenterologist practicing medicine in Walnut Creek, California. Dr. Mckenzie is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Fistula. His clinical expertise encompasses Gastroparesis, Tenesmus, Cholecystitis, Hemorrhoids, and Endoscopy. Dr. Mckenzie is currently accepting new patients.

    Showing 1-20 of 22

    Last Updated: 04/28/2026

    What is the definition of Gastrointestinal Fistula?

    A gastrointestinal fistula is an abnormal opening in the stomach or intestines that allows the contents to leak to another part of the body.

    • Leaks that go through to a part of the intestines are called entero-enteral fistulas.
    • Leaks that go through to the skin are called enterocutaneous fistulas.
    • Other organs can be involved, such as the bladder, vagina, anus, and colon.

    When should I see a Gastrointestinal Fistula doctor near Concord, 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 Gastrointestinal Fistula doctor near Concord, 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 Gastrointestinal Fistula doctors near Concord, 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 Gastrointestinal Fistula doctors near Concord, 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 Gastrointestinal Fistula doctor near Concord, 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 Gastrointestinal Fistula doctor search results page. 

    Why is it important to get a second opinion from a different Gastrointestinal Fistula 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 Gastrointestinal Fistula doctor near Concord, 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 Gastrointestinal Fistula 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 Gastrointestinal Fistula 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 Gastrointestinal Fistula doctors near Concord, CA?

    Look for the filter feature on the left side of the Gastrointestinal Fistula 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 Gastrointestinal Fistula doctor that offers video calls?

    Look for the filter feature on the left-side of the Gastrointestinal Fistula 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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