The 20 Best Gastrointestinal Perforation Doctors Near Me in Walnut Creek, CA

Find the Top Gastrointestinal Perforation Experts and Specialists

The 20 Best Gastrointestinal Perforation Doctors near Walnut Creek, CA

Last Updated: 02/22/2026

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MediFind found 71 doctor with experience in Gastrointestinal Perforation near Walnut Creek, CA. Of these, 64 are Experienced and 7 are Advanced.

Location
LocationClose
71 providers found
    Advanced in Gastrointestinal Perforation
    General Surgery
    Advanced in Gastrointestinal Perforation
    General Surgery

    Advanced Sleep Diagnostics Inc.

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

    Peter Mazolewski is a General Surgeon in Walnut Creek, California. Dr. Mazolewski is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Perforation. His top areas of expertise are Cellulitis, Retroperitoneal Inflammation, Cholecystitis, Hernia Surgery, and Ileostomy.

    Experienced in Gastrointestinal Perforation
    Intensive Care Medicine
    Experienced in Gastrointestinal Perforation
    Intensive Care Medicine

    John Muir Medical Center Walnut Creek

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

    Michael Esparza is an Intensive Care Medicine provider in Walnut Creek, California. Dr. Esparza is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Perforation. His top areas of expertise are Retroperitoneal Inflammation, Delirium, Subarachnoid Hemorrhage, Gastrostomy, and Tissue Biopsy.

    Experienced in Gastrointestinal Perforation
    Intensive Care Medicine
    Experienced in Gastrointestinal Perforation
    Intensive Care Medicine

    Advanced Sleep Diagnostics Inc.

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

    John Zink is an Intensive Care Medicine provider in Walnut Creek, California. Dr. Zink is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Perforation. His top areas of expertise are Delirium, Chronic Subdural Hematoma, Subarachnoid Hemorrhage, Gallbladder Removal, and Bladder Reconstruction.

    Learn about our expert tiers
    Experienced in Gastrointestinal Perforation
    Intensive Care Medicine
    Experienced in Gastrointestinal Perforation
    Intensive Care Medicine

    Advanced Sleep Diagnostics Inc.

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

    Isabelle Struve is an Intensive Care Medicine provider in Walnut Creek, California. Dr. Struve is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Perforation. Her top areas of expertise are Gastrointestinal Perforation, Ogilvie Syndrome, and Fasciotomy.

    Experienced in Gastrointestinal Perforation
    Intensive Care Medicine
    Experienced in Gastrointestinal Perforation
    Intensive Care Medicine

    Advanced Sleep Diagnostics Inc.

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

    Rafael Diaz is an Intensive Care Medicine provider in Walnut Creek, California. Dr. Diaz is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Perforation. His top areas of expertise are Chronic Subdural Hematoma, Subdural Hematoma, Delirium, Tissue Biopsy, and Gastrostomy.

    Experienced in Gastrointestinal Perforation
    General Surgery
    Experienced in Gastrointestinal Perforation
    General Surgery

    Office

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

    Charleen Kim is a General Surgeon in Walnut Creek, California. Dr. Kim is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Perforation. Her top areas of expertise are Breast Cancer, Paget Disease of the Breast, Angiosarcoma, Lymphadenectomy, and Hernia Surgery.

    Experienced in Gastrointestinal Perforation
    Colorectal Surgery
    Experienced in Gastrointestinal Perforation
    Colorectal Surgery

    Bay Area Colon & Rectal Surgeons

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

    Negar Salehomoum is a Colorectal Surgeon in Walnut Creek, California. Dr. Salehomoum is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Perforation. Her top areas of expertise are Familial Colorectal Cancer, Proctitis, Retroperitoneal Inflammation, Hemorrhoidectomy, and Hernia Surgery.

    Experienced in Gastrointestinal Perforation
    Colorectal Surgery
    Experienced in Gastrointestinal Perforation
    Colorectal Surgery

    Office

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

    Salvador Guevara is a Colorectal Surgeon in Walnut Creek, California. Dr. Guevara is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Perforation. His top areas of expertise are Rectal Prolapse, Anal Fissure, Proctitis, Bladder Reconstruction, and Hernia Surgery.

    Experienced in Gastrointestinal Perforation
    General Surgery
    Experienced in Gastrointestinal Perforation
    General Surgery

    Walnut Creek Surgical Assoicates Inc

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

    Steven Young is a General Surgeon in Walnut Creek, California. Dr. Young is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Perforation. His top areas of expertise are Hernia, Cellulitis, Necrosis, Hernia Surgery, and Gastrectomy.

    Experienced in Gastrointestinal Perforation
    Colorectal Surgery
    Experienced in Gastrointestinal Perforation
    Colorectal Surgery

    Office

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

    Piyush Aggarwal is a Colorectal Surgeon in Walnut Creek, California. Dr. Aggarwal is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Perforation. His top areas of expertise are Mesenteric Venous Thrombosis, Hemorrhoids, Bowel Incontinence, Bladder Reconstruction, and Hernia Surgery.

    Advanced in Gastrointestinal Perforation
    Internal Medicine
    Advanced in Gastrointestinal Perforation
    Internal Medicine

    John Muir Medical Center Walnut Creek

    1601 Ygnacio Valley Rd, 
    Walnut Creek, CA 
     (1.3 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English

    Joseph Henry is a primary care provider, practicing in Internal Medicine in Walnut Creek, California. Dr. Henry has been practicing medicine for over 17 years and is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Perforation. His top areas of expertise are Sepsis, End-Stage Renal Disease (ESRD), Peptic Ulcer, Bone Marrow Aspiration, and Endoscopy.

    Advanced in Gastrointestinal Perforation
    Gastroenterology
    Advanced in Gastrointestinal Perforation
    Gastroenterology

    Advanced Sleep Diagnostics Inc.

    2637 Shadelands Dr, 
    Walnut Creek, CA 
     (2.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Rishi Sharma is a Gastroenterologist in Walnut Creek, California. Dr. Sharma is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Perforation. His top areas of expertise are Hemorrhoids, Choledocholithiasis, Familial Adenomatous Polyposis, Gastrectomy, and Endoscopy.

    Experienced in Gastrointestinal Perforation
    Internal Medicine
    Experienced in Gastrointestinal Perforation
    Internal Medicine

    Liver Transplant At Walnut Creek

    1450 Treat Blvd Ste 250B, 
    Walnut Creek, CA 
     (0.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Natalie Chang is a primary care provider, practicing in Internal Medicine in Walnut Creek, California. Dr. Chang is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Perforation. Her top areas of expertise are Sitosterolemia, High Cholesterol, Premature Ovarian Failure, and Obesity.

    Experienced in Gastrointestinal Perforation
    General Surgery
    Experienced in Gastrointestinal Perforation
    General Surgery

    Walnut Creek Medical Center

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

    Gregory Broderick is a General Surgeon in Walnut Creek, California. Dr. Broderick is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Perforation. His top areas of expertise are Ogilvie Syndrome, Cholecystitis, Retroperitoneal Inflammation, Small Bowel Resection, and Hernia Surgery. Dr. Broderick is currently accepting new patients.

    Experienced in Gastrointestinal Perforation
    Family Medicine
    Experienced in Gastrointestinal Perforation
    Family Medicine

    John Muir Medical Center Walnut Creek

    1601 Ygnacio Valley Rd, 
    Walnut Creek, CA 
     (1.3 miles away)
    Experience:
    18+ years
    Languages Spoken:
    English

    Jennifer Decolongon is a primary care provider, practicing in Family Medicine in Walnut Creek, California. Dr. Decolongon has been practicing medicine for over 18 years and is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Perforation. Her top areas of expertise are Chronic Subdural Hematoma, Stroke, Sepsis, Hip Replacement, and Endoscopy.

    Experienced in Gastrointestinal Perforation
    Internal Medicine
    Experienced in Gastrointestinal Perforation
    Internal Medicine

    John Muir Medical Center Walnut Creek

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

    Viktoriya Sharp is a primary care provider, practicing in Internal Medicine in Walnut Creek, California. Dr. Sharp is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Perforation. Her top areas of expertise are Stroke, Sepsis, Pneumocystis Jiroveci Pneumonia, Hip Replacement, and Colonoscopy.

    Experienced in Gastrointestinal Perforation
    Internal Medicine
    Experienced in Gastrointestinal Perforation
    Internal Medicine

    John Muir Medical Center Walnut Creek

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

    Viviane Alfandary is a primary care provider, practicing in Internal Medicine in Walnut Creek, California. Dr. Alfandary is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Perforation. Her top areas of expertise are Sepsis, Stroke, Volkmann Contracture, Hip Replacement, and Endoscopy.

    Experienced in Gastrointestinal Perforation
    Internal Medicine
    Experienced in Gastrointestinal Perforation
    Internal Medicine

    John Muir Medical Center Walnut Creek

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

    Nason Azizi is a primary care provider, practicing in Internal Medicine in Walnut Creek, California. Dr. Azizi is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Perforation. His top areas of expertise are Sepsis, Stroke, Peptic Ulcer, Hip Replacement, and Gastrostomy.

    Experienced in Gastrointestinal Perforation
    Family Medicine
    Experienced in Gastrointestinal Perforation
    Family Medicine

    John Muir Medical Center Walnut Creek

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

    Susanne Duesberg is a primary care provider, practicing in Family Medicine in Walnut Creek, California. Dr. Duesberg is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Perforation. Her top areas of expertise are Sepsis, Stroke, Peptic Ulcer, Ureteroscopy, and Pacemaker Implantation.

    Experienced in Gastrointestinal Perforation
    Internal Medicine
    Experienced in Gastrointestinal Perforation
    Internal Medicine

    John Muir Medical Center Walnut Creek

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

    Sohrab Amiri is a primary care provider, practicing in Internal Medicine in Walnut Creek, California. Dr. Amiri is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Perforation. His top areas of expertise are Sepsis, Stroke, Peptic Ulcer, Bone Marrow Aspiration, and Pacemaker Implantation.

    Showing 1-20 of 71

    Last Updated: 02/22/2026

    What is the definition of Gastrointestinal Perforation?

    A perforation is a hole that develops through the wall of a body organ. This problem may occur in the esophagus, stomach, small intestine, large intestine, rectum, or gallbladder.

    When should I see a Gastrointestinal Perforation doctor near Walnut Creek, 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 Perforation doctor near Walnut Creek, 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 Perforation doctors near Walnut Creek, 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 Perforation doctors near Walnut Creek, 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 Perforation doctor near Walnut Creek, 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 Perforation doctor search results page. 

    Why is it important to get a second opinion from a different Gastrointestinal Perforation 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 Perforation doctor near Walnut Creek, 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 Perforation 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 Perforation 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 Perforation doctors near Walnut Creek, CA?

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

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