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    Last Updated: 10/30/2025

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    MediFind found 171 doctor with experience in Gastrointestinal Bleeding near Saint Louis, MO. Of these, 141 are Experienced, 28 are Advanced and 2 are Distinguished.

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    171 providers found
      Advanced in Gastrointestinal Bleeding

      Dr. Zarir M. Ahmed
      Gastroenterology
      Advanced in Gastrointestinal Bleeding

      Dr. Zarir M. Ahmed
      Gastroenterology

      Ssm Health Care Group

      1201 S Grand Blvd, 
      Saint Louis, MO 
       (2.3 miles away)
      314-617-2000
      Experience:
      9+ years
      Languages Spoken:
      English
      See accepted insurances

      Zarir Ahmed is a Gastroenterologist in Saint Louis, Missouri. Dr. Ahmed has been practicing medicine for over 9 years and is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Gastrointestinal Bleeding, Gastrointestinal Fistula, Chronic Pancreatitis, and Hereditary Pancreatitis.

      Advanced in Gastrointestinal Bleeding

      Dr. Surachai Amornsawadwattana
      Gastroenterology
      Advanced in Gastrointestinal Bleeding

      Dr. Surachai Amornsawadwattana
      Gastroenterology

      Washington University

      4921 Parkview Pl, 
      Saint Louis, MO 
       (3.6 miles away)
      Languages Spoken:
      English
      See accepted insurances
      Accepting New Patients

      Surachai Amornsawadwattana is a Gastroenterologist in Saint Louis, Missouri. Dr. Amornsawadwattana is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Gastrointestinal Bleeding, Angiodysplasia of the Colon, Colitis, Endoscopy, and Colonoscopy. Dr. Amornsawadwattana is currently accepting new patients.

      What does Elite, Distinguished, Advanced, Experienced mean?
      Advanced in Gastrointestinal Bleeding

      Dr. Michelle S. Baliss
      Gastroenterology
      Advanced in Gastrointestinal Bleeding

      Dr. Michelle S. Baliss
      Gastroenterology

      Washington University

      1 Barnes Jewish Hospital Plz, 
      Saint Louis, MO 
       (3.6 miles away)
      314-747-3000
      Languages Spoken:
      English
      See accepted insurances
      Accepting New Patients

      Michelle Baliss is a Gastroenterologist in Saint Louis, Missouri. Dr. Baliss is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Bleeding. Her top areas of expertise are Gastrointestinal Bleeding, Hereditary Pancreatitis, Acute Pancreatitis, Endoscopy, and Colonoscopy. Dr. Baliss is currently accepting new patients.

      Learn about our expert tiers
      Advanced in Gastrointestinal Bleeding

      Dr. Barry Abramson
      Gastroenterology
      Advanced in Gastrointestinal Bleeding

      Dr. Barry Abramson
      Gastroenterology

      Physician Groups Lc

      1110 Highlands Plaza Dr E, Suite 280, 
      Saint Louis, MO 
       (4.5 miles away)
      314-273-0195
      Languages Spoken:
      English
      See accepted insurances
      Offers Telehealth

      Barry Abramson is a Gastroenterologist in Saint Louis, Missouri. Dr. Abramson is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Ulcerative Colitis, Crohn's Disease, Angiodysplasia of the Colon, Colonoscopy, and Gastrectomy.

      Advanced in Gastrointestinal Bleeding

      Dr. Khalid Naseer
      Gastroenterology
      Advanced in Gastrointestinal Bleeding

      Dr. Khalid Naseer
      Gastroenterology

      Physician Groups Lc

      1110 Highlands Plaza Dr E, Suite 280, 
      Saint Louis, MO 
       (4.5 miles away)
      314-273-0195
      Experience:
      43+ years
      Languages Spoken:
      English
      See accepted insurances

      Khalid Naseer is a Gastroenterologist in Saint Louis, Missouri. Dr. Naseer has been practicing medicine for over 43 years and is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Morning Sickness, Esophagitis, Irritable Bowel Syndrome (IBS), Endoscopy, and Colonoscopy.

      Experienced in Gastrointestinal Bleeding

      Dr. Lawrence S. Tierney
      Gastroenterology
      Experienced in Gastrointestinal Bleeding

      Dr. Lawrence S. Tierney
      Gastroenterology
      Saint Louis, MO 
       (0.1 miles away)
      Languages Spoken:
      English
      See accepted insurances
      Accepting New Patients

      Lawrence Tierney is a Gastroenterologist in Saint Louis, Missouri. Dr. Tierney is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Esophagitis, Familial Adenomatous Polyposis, Turcot Syndrome, Endoscopy, and Gastrectomy. Dr. Tierney is currently accepting new patients.

      Experienced in Gastrointestinal Bleeding

      Dr. Matthew H. Nissing
      Gastroenterology
      Experienced in Gastrointestinal Bleeding

      Dr. Matthew H. Nissing
      Gastroenterology
      915 N Grand Blvd, 
      Saint Louis, MO 
       (2.0 miles away)
      314-289-6434
      Languages Spoken:
      English
      See accepted insurances
      Accepting New Patients

      Matthew Nissing is a Gastroenterologist in Saint Louis, Missouri. Dr. Nissing is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Acute Pancreatitis, Morning Sickness, Crohn's Disease, Endoscopy, and Colonoscopy. Dr. Nissing is currently accepting new patients.

      Experienced in Gastrointestinal Bleeding

      Dr. Gregory Sayuk
      Gastroenterology
      Experienced in Gastrointestinal Bleeding

      Dr. Gregory Sayuk
      Gastroenterology
      915 N Grand Blvd, 
      Saint Louis, MO 
       (2.0 miles away)
      314-289-6434
      Languages Spoken:
      English

      Gregory Sayuk is a Gastroenterologist in Saint Louis, Missouri. Dr. Sayuk is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Irritable Bowel Syndrome (IBS), Chronic Idiopathic Constipation (CIC), Diarrhea, Colostomy, and Colonoscopy.

      Experienced in Gastrointestinal Bleeding

      Dr. Nazli B. Ozturk
      Gastroenterology
      Experienced in Gastrointestinal Bleeding

      Dr. Nazli B. Ozturk
      Gastroenterology
      1402 S Grand Blvd, 
      Saint Louis, MO 
       (2.1 miles away)
      314-257-8000
      Languages Spoken:
      English
      See accepted insurances

      Nazli Ozturk is a Gastroenterologist in Saint Louis, Missouri. Dr. Ozturk is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. Her top areas of expertise are Sclerosing Cholangitis, Cholangitis, Ascites, Liver Transplant, and Gallbladder Removal.

      Experienced in Gastrointestinal Bleeding

      Dr. Mike H. Giacaman
      Gastroenterology
      Experienced in Gastrointestinal Bleeding

      Dr. Mike H. Giacaman
      Gastroenterology

      Ssm Health Care Group

      1225 S Grand Blvd, 
      Saint Louis, MO 
       (2.2 miles away)
      Experience:
      43+ years
      Languages Spoken:
      English, Arabic, French
      See accepted insurances
      Accepting New Patients

      Mike Giacaman is a Gastroenterologist in Saint Louis, Missouri. Dr. Giacaman has been practicing medicine for over 43 years and is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Portal Hypertension, Intestinal Cancer, Gastrointestinal Bleeding, Endoscopy, and Colonoscopy. Dr. Giacaman is currently accepting new patients.

      Experienced in Gastrointestinal Bleeding

      Dr. Karan B. Singh
      Internal Medicine
      Experienced in Gastrointestinal Bleeding

      Dr. Karan B. Singh
      Internal Medicine
      1201 S Grand Blvd, 
      Saint Louis, MO 
       (2.3 miles away)
      314-257-8000
      Languages Spoken:
      English
      See accepted insurances

      Karan Singh is a primary care provider, practicing in Internal Medicine in Saint Louis, Missouri. Dr. Singh is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Toxic Megacolon, Gallstones, Histiocytosis, and Reticulohistiocytoma.

      Experienced in Gastrointestinal Bleeding

      Dr. Manar A. Shmais
      Gastroenterology
      Experienced in Gastrointestinal Bleeding

      Dr. Manar A. Shmais
      Gastroenterology

      Ssm Health Care Group

      1201 S Grand Blvd, 
      Saint Louis, MO 
       (2.3 miles away)
      314-617-2000
      Experience:
      9+ years
      Languages Spoken:
      English
      See accepted insurances
      Accepting New Patients

      Manar Shmais is a Gastroenterologist in Saint Louis, Missouri. Dr. Shmais has been practicing medicine for over 9 years and is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. Her top areas of expertise are Crohn's Disease, Viral Gastroenteritis, Ulcerative Colitis, and Hemorrhagic Proctocolitis. Dr. Shmais is currently accepting new patients.

      Experienced in Gastrointestinal Bleeding

      Dr. Mary S. Burton
      Gastroenterology
      Experienced in Gastrointestinal Bleeding

      Dr. Mary S. Burton
      Gastroenterology
      3660 Vista, 
      Saint Louis, MO 
       (2.3 miles away)
      314-577-8764
      Languages Spoken:
      English
      See accepted insurances

      Mary Burton is a Gastroenterologist in Saint Louis, Missouri. Dr. Burton is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. Her top areas of expertise are Esophageal Varices, Esophagitis, Portal Hypertension, Endoscopy, and Gastrectomy.

      Experienced in Gastrointestinal Bleeding

      Dr. Frans Handoyo
      Gastroenterology
      Experienced in Gastrointestinal Bleeding

      Dr. Frans Handoyo
      Gastroenterology
      3535 S Jefferson Ave Ste 310, 
      Saint Louis, MO 
       (2.9 miles away)
      314-752-7370
      Languages Spoken:
      English
      See accepted insurances

      Frans Handoyo is a Gastroenterologist in Saint Louis, Missouri. Dr. Handoyo is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Protein Deficiency, Malnutrition, Gastritis, Gastrostomy, and Gastrectomy.

      Experienced in Gastrointestinal Bleeding

      Dr. Kevin Korenblat
      Gastroenterology
      Experienced in Gastrointestinal Bleeding

      Dr. Kevin Korenblat
      Gastroenterology

      Washington University

      4921 Parkview Pl, 
      Saint Louis, MO 
       (3.6 miles away)
      Languages Spoken:
      English
      See accepted insurances

      Kevin Korenblat is a Gastroenterologist in Saint Louis, Missouri. Dr. Korenblat is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Hepatitis, Visceromegaly, Cirrhosis, Endoscopy, and Liver Transplant.

      Experienced in Gastrointestinal Bleeding

      Dr. Chandra P. Gyawali
      Gastroenterology
      Experienced in Gastrointestinal Bleeding

      Dr. Chandra P. Gyawali
      Gastroenterology

      Washington University

      4921 Parkview Pl, 
      Saint Louis, MO 
       (3.6 miles away)
      Languages Spoken:
      English
      See accepted insurances
      Accepting New Patients
      Offers Telehealth

      Chandra Gyawali is a Gastroenterologist in Saint Louis, Missouri. Dr. Gyawali is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Achalasia, Hiatal Hernia, Endoscopy, and Gastric Bypass. Dr. Gyawali is currently accepting new patients.

      Experienced in Gastrointestinal Bleeding

      Dr. Osama Altayar
      Gastroenterology
      Experienced in Gastrointestinal Bleeding

      Dr. Osama Altayar
      Gastroenterology

      Washington University

      4921 Parkview Pl, 
      Saint Louis, MO 
       (3.6 miles away)
      Languages Spoken:
      English
      See accepted insurances
      Accepting New Patients
      Offers Telehealth

      Osama Altayar is a Gastroenterologist in Saint Louis, Missouri. Dr. Altayar is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Nonalcoholic Steatohepatitis (NASH), Radiation Enteritis, Celiac Disease, Endoscopy, and Colonoscopy. Dr. Altayar is currently accepting new patients.

      Experienced in Gastrointestinal Bleeding

      Dr. Brian F. Gage
      Internal Medicine
      Experienced in Gastrointestinal Bleeding

      Dr. Brian F. Gage
      Internal Medicine

      Washington University

      4901 Forest Park Ave, 
      Saint Louis, MO 
       (3.6 miles away)
      314-362-5060
      Languages Spoken:
      English
      See accepted insurances
      Accepting New Patients

      Brian Gage is a primary care provider, practicing in Internal Medicine in Saint Louis, Missouri. Dr. Gage is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Venous Thromboembolism (VTE), Mesenteric Venous Thrombosis, Deep Vein Thrombosis, Knee Replacement, and Hip Replacement. Dr. Gage is currently accepting new patients.

      Experienced in Gastrointestinal Bleeding

      Dr. Jie P. Li
      Pediatrics
      Experienced in Gastrointestinal Bleeding

      Dr. Jie P. Li
      Pediatrics
      1 Childrens Pl, 
      Saint Louis, MO 
       (3.6 miles away)
      314-454-6006
      Languages Spoken:
      English
      See accepted insurances

      Jie Li is a Pediatrics provider in Saint Louis, Missouri. Dr. Li is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. Her top areas of expertise are Cerebral Hypoxia, Hypertension, Osteoporosis, Spinal Fusion, and Osteotomy.

      Experienced in Gastrointestinal Bleeding

      Dr. Luke T. Viehl
      Neonatology | Pediatrics | Emergency Medicine
      Experienced in Gastrointestinal Bleeding

      Dr. Luke T. Viehl
      Neonatology | Pediatrics | Emergency Medicine
      1 Childrens Pl, Div Ped Newborn Medicine, 
      Saint Louis, MO 
       (3.6 miles away)
      314-454-2683
      Languages Spoken:
      English
      See accepted insurances
      Accepting New Patients

      Luke Viehl is a Neonatologist and a Pediatrics provider in Saint Louis, Missouri. Dr. Viehl is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Cerebral Hypoxia, Hypotonia, Gastrointestinal Bleeding, and Intraventricular Hemorrhage of the Newborn. Dr. Viehl is currently accepting new patients.

      Showing 1-20 of 171

      Last Updated: 10/30/2025

      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 Saint Louis, MO?

      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 Saint Louis, MO?

      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 do I find the best Gastrointestinal Bleeding doctor near Saint Louis, MO?

      You can find a Gastrointestinal Bleeding doctor in any of the 10 largest U.S. cities by clicking below:

      Gastrointestinal Bleeding doctor near New York, NY
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      Gastrointestinal Bleeding doctor near Houston, TX
      Gastrointestinal Bleeding doctor near Phoenix, AZ
      Gastrointestinal Bleeding doctor near Philadelphia, PA
      Gastrointestinal Bleeding doctor near Atlanta, GA
      Gastrointestinal Bleeding doctor near Boston, MA
      Gastrointestinal Bleeding doctor near Dallas, TX
      Gastrointestinal Bleeding doctor near San Jose, CA

      How does MediFind rank Gastrointestinal Bleeding doctors near Saint Louis, MO?

      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 Saint Louis, MO?

      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 Saint Louis, MO?

      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 Saint Louis, MO?

      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 Saint Louis, MO?

      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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