The 20 Best Gastrointestinal Bleeding Doctors Near Me in Simi Valley, CA

Find the Top Gastrointestinal Bleeding Experts and Specialists

Last Updated: 09/19/2026

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MediFind found 5001 doctor with experience in Gastrointestinal Bleeding near Simi Valley, CA. Of these, 4314 are Experienced, 598 are Advanced, 87 are Distinguished and 2 are Elite.

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5,001 providers found
    Elite in Gastrointestinal Bleeding
    Gastroenterology
    Elite in Gastrointestinal Bleeding
    Gastroenterology
    Referral may be required

    Office

    5767 W Century Blvd Ste 200, 
    Los Angeles, CA 
    Languages Spoken:
    English

    Ian Gralnek is a Gastroenterologist practicing medicine in Los Angeles, California. Dr. Gralnek is rated as an Elite provider by MediFind in the treatment of Gastrointestinal Bleeding. She is also highly rated in 10 other conditions, according to our data. Her clinical expertise encompasses Gastrointestinal Bleeding, Esophageal Varices, Colorectal Cancer, Endoscopy, and Colonoscopy.

    Elite in Gastrointestinal Bleeding
    Gastroenterology
    Elite in Gastrointestinal Bleeding
    Gastroenterology
    Referral may be required

    The Regents Of The University Of California

    200 Medical Plz, 
    Los Angeles, CA 
    Languages Spoken:
    English
    Offers Telehealth

    Dennis Jensen is a Gastroenterologist practicing medicine in Los Angeles, California. Dr. Jensen is rated as an Elite provider by MediFind in the treatment of Gastrointestinal Bleeding. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Gastrointestinal Bleeding, Mesenteric Artery Ischemia, Hemorrhoids, Colonoscopy, and Endoscopy.

    Experienced in Gastrointestinal Bleeding
    Family Medicine
    Experienced in Gastrointestinal Bleeding
    Family Medicine

    Alameda Family Physician Medical Group Inc.

    2433 Central Ave, 
    Alameda, CA 
    Languages Spoken:
    English
    Offers Telehealth

    Vijay Mirmira is a primary care provider, practicing in Family Medicine in Alameda, California. Dr. Mirmira is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Glucocorticoid-Remediable Aldosteronism, Hypertension, Familial Hypertension, and High Cholesterol.

    Learn about our expert tiers
    Advanced in Gastrointestinal Bleeding
    Gastroenterology
    Advanced in Gastrointestinal Bleeding
    Gastroenterology
    Referral may be required

    Enloe Medical Center

    111 Raley Blvd Ste 100, 
    Chico, CA 
    Languages Spoken:
    English

    Peter Bangsund is a Gastroenterologist practicing medicine in Chico, California. Dr. Bangsund is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Bleeding. He is also highly rated in 44 other conditions, according to our data. His clinical expertise encompasses Esophagitis, Colitis, Lower Esophageal Ring, Colonoscopy, and Gastrectomy.

    Advanced in Gastrointestinal Bleeding
    Gastroenterology
    Advanced in Gastrointestinal Bleeding
    Gastroenterology
    Referral may be required

    Stanford Hospital And Clinics

    300 Pasteur Dr, 
    Stanford, CA 
    Languages Spoken:
    English
    Offers Telehealth

    Walter Park is a Gastroenterologist practicing medicine in Stanford, California. Dr. Park is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Bleeding. He is also highly rated in 26 other conditions, according to our data. His clinical expertise encompasses Chronic Pancreatitis, Hereditary Pancreatitis, Exocrine Pancreatic Insufficiency, Endoscopy, and Pancreatectomy.

    Distinguished in Gastrointestinal Bleeding
    Gastroenterology
    Distinguished in Gastrointestinal Bleeding
    Gastroenterology
    Referral may be required

    Gustavo Machicado, MD Private Practice

    18350 Roscoe Blvd, Ste 604, 
    Northridge, CA 
    Languages Spoken:
    English
    Accepting New Patients

    Gustavo Machicado is a Gastroenterologist practicing medicine in Northridge, California. Dr. Machicado is rated as a Distinguished provider by MediFind in the treatment of Gastrointestinal Bleeding. He is also highly rated in 19 other conditions, according to our data. His clinical expertise encompasses Gastrointestinal Bleeding, Gastritis, Chronic Erosive Gastritis, Endoscopy, and Gastrectomy. Dr. Machicado is board certified in American Board Of Internal Medicine, Internal Medicine (Sub: Gastroenterology), and Internal Medicine. Dr. Machicado is currently accepting new patients.

    Distinguished in Gastrointestinal Bleeding
    Gastroenterology
    Distinguished in Gastrointestinal Bleeding
    Gastroenterology
    Referral may be required

    Armine Sarkisian, MD Private Practice

    912 W Glenoaks Blvd, 
    Glendale, CA 
    Languages Spoken:
    English, Armenian, Russian
    Accepting New Patients

    Armine Sarkisian is a Gastroenterologist practicing medicine in Glendale, California. Dr. Sarkisian is rated as a Distinguished provider by MediFind in the treatment of Gastrointestinal Bleeding. She is also highly rated in 32 other conditions, according to our data. Her clinical expertise encompasses Gas Bloat Syndrome, Gastric Dysmotility, Chronic Erosive Gastritis, Gastrectomy, and Gastrostomy. Dr. Sarkisian is board certified in Internal Medicine. Dr. Sarkisian is currently accepting new patients.

    Distinguished in Gastrointestinal Bleeding
    Gastroenterology
    Distinguished in Gastrointestinal Bleeding
    Gastroenterology
    Referral may be required

    Nandakumar Ravi, M.D., A Professional Corporation

    9870 Brimhall Rd, Ste 100, 
    Bakersfield, CA 
    Languages Spoken:
    English
    Accepting New Patients

    Nandakumar Ravi is a Gastroenterologist practicing medicine in Bakersfield, California. Dr. Ravi is rated as a Distinguished provider by MediFind in the treatment of Gastrointestinal Bleeding. He is also highly rated in 37 other conditions, according to our data. His clinical expertise encompasses Gastrointestinal Bleeding, Bile Duct Obstruction, Esophageal Varices, Gastrostomy, and Gastrectomy. Dr. Ravi is board certified in Internal Medicine (Sub: Gastroenterology). Dr. Ravi is currently accepting new patients.

    Distinguished in Gastrointestinal Bleeding
    Gastroenterology
    Distinguished in Gastrointestinal Bleeding
    Gastroenterology
    Referral may be required

    Solo Practice - Malik, I

    2800 N California St, Ste 7, 
    Stockton, CA 
    Languages Spoken:
    English, Punjabi, Urdu
    Accepting New Patients
    Offers Telehealth

    Iftikhar Malik is a Gastroenterologist practicing medicine in Stockton, California. Dr. Malik is rated as a Distinguished provider by MediFind in the treatment of Gastrointestinal Bleeding. He is also highly rated in 40 other conditions, according to our data. His clinical expertise encompasses Gastrointestinal Bleeding, Gastroesophageal Reflux Disease (GERD), Diverticular Disease, Colonoscopy, and Gastrectomy. Dr. Malik is currently accepting new patients.

    Distinguished in Gastrointestinal Bleeding
    Gastroenterology
    Distinguished in Gastrointestinal Bleeding
    Gastroenterology
    Referral required

    Sivakumar R. Munnangi, MD Private Practice

    386 W Olive Ave, Ste A, 
    Merced, CA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Sivakumar Munnangi is a Gastroenterologist practicing medicine in Merced, California. Dr. Munnangi is rated as a Distinguished provider by MediFind in the treatment of Gastrointestinal Bleeding. He is also highly rated in 59 other conditions, according to our data. His clinical expertise encompasses Chronic Erosive Gastritis, Hemorrhoids, Diverticular Disease, Gastrectomy, and Colonoscopy. Dr. Munnangi is currently accepting new patients.

    Distinguished in Gastrointestinal Bleeding
    Gastroenterology
    Distinguished in Gastrointestinal Bleeding
    Gastroenterology
    Referral required

    5 Medical Plaza Care Center

    5 Medical Plaza Drive, Suite 140, 
    Roseville, CA 
    Languages Spoken:
    English, Mandarin, Spanish
    Accepting New Patients

    William Chen is a Gastroenterologist practicing medicine in Roseville, California. Dr. Chen is rated as a Distinguished provider by MediFind in the treatment of Gastrointestinal Bleeding. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Gastrointestinal Bleeding, Esophageal Varices, Cholangitis, Endoscopy, and Colonoscopy. Dr. Chen is board certified in Gastroenterology. Dr. Chen is currently accepting new patients.

    Distinguished in Gastrointestinal Bleeding
    Gastroenterology
    Distinguished in Gastrointestinal Bleeding
    Gastroenterology
    Referral may be required

    Redding Endoscopy Center

    1825 Sonoma St, 
    Redding, CA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Piyush Dhanuka is a Gastroenterologist practicing medicine in Redding, California. Dr. Dhanuka is rated as a Distinguished provider by MediFind in the treatment of Gastrointestinal Bleeding. He is also highly rated in 28 other conditions, according to our data. His clinical expertise encompasses Eosinophilic Colitis, Ulcerative Colitis, Familial Pancreatic Cancer, Gastrectomy, and Endoscopy. Dr. Dhanuka is board certified in Internal Medicine (Sub: Gastroenterology). Dr. Dhanuka is currently accepting new patients.

    Advanced in Gastrointestinal Bleeding
    Gastroenterology
    Advanced in Gastrointestinal Bleeding
    Gastroenterology
    Referral may be required

    UC San Diego Student Health SVC Pharmacy

    9500 Gilman Dr, 
    La Jolla, CA 
    Languages Spoken:
    English

    William Sandborn is a Gastroenterologist practicing medicine in La Jolla, California. Dr. Sandborn is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Bleeding. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Crohn's Disease, Hemorrhagic Proctocolitis, Ulcerative Colitis, Endoscopy, and Colonoscopy.

    Experienced in Gastrointestinal Bleeding
    Gastroenterology
    Experienced in Gastrointestinal Bleeding
    Gastroenterology
    Referral may be required

    City Of Hope's Helford Clinical Research Hospital

    1500 Duarte Rd, 
    Duarte, CA 
    Languages Spoken:
    English
    Offers Telehealth

    James Lin is a Gastroenterologist practicing medicine in Duarte, California. Dr. Lin is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. He is also highly rated in 58 other conditions, according to our data. His clinical expertise encompasses Bile Duct Stricture, Bile Duct Obstruction, Cholestasis, Colonoscopy, and Gastrectomy.

    Experienced in Gastrointestinal Bleeding
    Advanced Heart Failure and Transplant Cardiology
    Experienced in Gastrointestinal Bleeding
    Advanced Heart Failure and Transplant Cardiology
    Referral may be required

    Advanced Heart Failure

    1450 Treat Blvd Ste 200, 
    Walnut Creek,, CA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Liviu Klein is an Advanced Heart Failure and Transplant Cardiologist practicing medicine in Walnut Creek,, California. Dr. Klein is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Heart Failure, Pulmonary Edema, Cardiomyopathy, Heart Transplant, and Lung Transplant. Dr. Klein is currently accepting new patients.

    Experienced in Gastrointestinal Bleeding
    Gastroenterology
    Experienced in Gastrointestinal Bleeding
    Gastroenterology
    Referral may be required

    The Regents Of The University Of California

    2020 Santa Monica Blvd, Suite 210, 
    Santa Monica, CA 
    Languages Spoken:
    English
    Offers Telehealth

    Berkeley Limketkai is a Gastroenterologist practicing medicine in Santa Monica, California. Dr. Limketkai is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Viral Gastroenteritis, Crohn's Disease, Colitis, Small Bowel Resection, and Colonoscopy.

    Experienced in Gastrointestinal Bleeding
    Gastroenterology
    Experienced in Gastrointestinal Bleeding
    Gastroenterology
    Referral may be required

    UC San Diego Health Clinical Laboratory-La Jolla

    9350 Campus Point Dr, 
    La Jolla, CA 
    Languages Spoken:
    English
    Offers Telehealth

    Rena Yadlapati is a Gastroenterologist practicing medicine in La Jolla, California. Dr. Yadlapati is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. She is also highly rated in 13 other conditions, according to our data. Her clinical expertise encompasses Gastroesophageal Reflux Disease (GERD), Achalasia, Heartburn, Endoscopy, and Colonoscopy.

    Experienced in Gastrointestinal Bleeding
    Internal Medicine
    Experienced in Gastrointestinal Bleeding
    Internal Medicine

    Pacific Shores Medical Group, Inc.

    222 W Eulalia St, 
    Glendale, CA 
    Languages Spoken:
    English, Armenian, French, Portuguese, Spanish
    Accepting New Patients
    Offers Telehealth

    Kalust Ucar is a primary care provider, practicing in Internal Medicine in Glendale, California. Dr. Ucar is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. He is also highly rated in 65 other conditions, according to our data. His clinical expertise encompasses Familial Colorectal Cancer, Iron Deficiency Anemia, Childhood Iron Deficiency Anemia, and Colorectal Cancer. Dr. Ucar is board certified in Internal Medicine (Sub: Medical Oncology), Internal Medicine (Sub: Hematology), American Board Of Internal Medicine, and Internal Medicine. Dr. Ucar is currently accepting new patients.

    Experienced in Gastrointestinal Bleeding
    Family Medicine
    Experienced in Gastrointestinal Bleeding
    Family Medicine

    Afpmg Inc

    6475 Camden Ave Ste 105, 
    San Jose, CA 
    Languages Spoken:
    English
    Offers Telehealth

    Edward Chan is a primary care provider, practicing in Family Medicine in San Jose, California. Dr. Chan is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Hypertension, Familial Hypertension, and Glucocorticoid-Remediable Aldosteronism.

    Experienced in Gastrointestinal Bleeding
    Internal Medicine
    Experienced in Gastrointestinal Bleeding
    Internal Medicine

    Permanente Medical Group Inc

    1600 Eureka Rd, 
    Roseville, CA 
    Languages Spoken:
    English
    Accepting New Patients

    Mihir Patel is a primary care provider, practicing in Internal Medicine in Roseville, California. Dr. Patel is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Sepsis, Peptic Ulcer, Necrosis, Gastrostomy, and Hip Replacement. Dr. Patel is board certified in American Board Of Internal Medicine. Dr. Patel is currently accepting new patients.

    Showing 1-20 of 5,001

    Last Updated: 09/19/2026

    What is the definition of Gastrointestinal Bleeding?

    Gastrointestinal (GI) bleeding refers to any bleeding that starts in the GI tract.

    Bleeding may come from any site along the GI tract, but is often divided into:

    • Upper GI bleeding: The upper GI tract includes the esophagus (the tube from the mouth to the stomach), stomach, and first part of the small intestine (duodenum).
    • Lower GI bleeding: The lower GI tract includes most of the small intestine, and the entire large intestine, rectum, and anus.

    When should I see a Gastrointestinal Bleeding doctor near Simi 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 Gastrointestinal Bleeding doctor near Simi 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 Gastrointestinal Bleeding doctors near Simi 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 Gastrointestinal Bleeding doctors near Simi 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 Gastrointestinal Bleeding doctor near Simi 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 Gastrointestinal Bleeding doctor search results page. 

    Why is it important to get a second opinion from a different Gastrointestinal Bleeding 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 Bleeding doctor near Simi 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 Gastrointestinal Bleeding 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 Bleeding 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 Bleeding doctors near Simi Valley, CA?

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

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