The 20 Best Gastrointestinal Bleeding Doctors Near Me in Massapequa, NY

Find the Top Gastrointestinal Bleeding Experts and Specialists

The 20 Best Gastrointestinal Bleeding Doctors near Massapequa, NY

Last Updated: 02/22/2026

Save doctors for later
Sign Up
Not sure about your diagnosis?
Check Your Symptoms
Already have a doctor?
Find A Second Opinion

MediFind found 321 doctor with experience in Gastrointestinal Bleeding near Massapequa, NY. Of these, 248 are Experienced, 64 are Advanced and 9 are Distinguished.

Location
LocationClose
321 providers found
    Kostas Sideridis
    Distinguished in Gastrointestinal Bleeding
    Gastroenterology
    Distinguished in Gastrointestinal Bleeding
    Gastroenterology
    121 Eileen Way, 
    Syosset, NY 
     (8.9 miles away)
    Languages Spoken:
    English, Greek, Spanish

    Kostas Sideridis is a Gastroenterologist in Syosset, New York. Dr. Sideridis is rated as a Distinguished provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Gastrointestinal Bleeding, Swallowing Difficulty, Painful Swallowing, Gastrectomy, and Gastrostomy.

    Advanced in Gastrointestinal Bleeding
    Gastroenterology
    Advanced in Gastrointestinal Bleeding
    Gastroenterology
    3019 Merrick Road, 
    Wantagh, NY 
     (2.4 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English, Hebrew
    Offers Telehealth

    Zachary Marwil is a Gastroenterologist in Wantagh, New York. Dr. Marwil has been practicing medicine for over 17 years and is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Diarrhea, Gastroesophageal Reflux Disease (GERD), Familial Adenomatous Polyposis, Colonoscopy, and Gastrectomy.

    Jeffrey S. Novak
    Experienced in Gastrointestinal Bleeding
    Gastroenterology
    Experienced in Gastrointestinal Bleeding
    Gastroenterology
    3019 Merrick Road, 
    Wantagh, NY 
     (2.4 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Jeffrey Novak is a Gastroenterologist in Wantagh, New York. Dr. Novak is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Familial Adenomatous Polyposis, Barrett Esophagus, Turcot Syndrome, Colonoscopy, and Gastrectomy.

    Learn about our expert tiers
    Richard B. Rubin
    Experienced in Gastrointestinal Bleeding
    Gastroenterology
    Experienced in Gastrointestinal Bleeding
    Gastroenterology

    Northwell Health Physician Partners Medicine Specialties At Bellmore

    1872 Bellmore Avenue, 
    Bellmore, NY 
     (3.1 miles away)
    Languages Spoken:
    English, Spanish
    Offers Telehealth

    Richard Rubin is a Gastroenterologist in Bellmore, New York. Dr. Rubin is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Hemorrhagic Proctocolitis, Hiatal Hernia, Congenital Diaphragmatic Hernia, Colonoscopy, and Endoscopy.

    Distinguished in Gastrointestinal Bleeding
    Gastroenterology
    Distinguished in Gastrointestinal Bleeding
    Gastroenterology
    3 North Main Street, 
    Freeport, NY 
     (6.1 miles away)
    Languages Spoken:
    English

    Iheanyichukwu Aja is a Gastroenterologist in Freeport, New York. Dr. Aja is rated as a Distinguished provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Bile Duct Obstruction, Gastrointestinal Bleeding, Acute Pancreatitis, Gastrectomy, and Colonoscopy.

    Distinguished in Gastrointestinal Bleeding
    Gastroenterology
    Distinguished in Gastrointestinal Bleeding
    Gastroenterology
    121 Eileen Way, 
    Syosset, NY 
     (8.9 miles away)
    Experience:
    18+ years
    Languages Spoken:
    English, Urdu

    Faisal Sheikh is a Gastroenterologist in Syosset, New York. Dr. Sheikh has been practicing medicine for over 18 years and is rated as a Distinguished provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Gastrointestinal Bleeding, Choledocholithiasis, Diverticular Disease, Gastrectomy, and Gastrostomy.

    Experienced in Gastrointestinal Bleeding
    General Surgery
    Experienced in Gastrointestinal Bleeding
    General Surgery

    King Kullen Pharmacies Corp

    185 Central Ave, 
    Bethpage, NY 
     (3.8 miles away)
    Languages Spoken:
    English

    Matthew Symer is a General Surgeon in Bethpage, New York. Dr. Symer is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Colorectal Cancer, Anal Cancer, Diverticular Disease, Endoscopy, and Colonoscopy.

    Experienced in Gastrointestinal Bleeding
    Gastroenterology
    Experienced in Gastrointestinal Bleeding
    Gastroenterology
    185 Central Avenue, 
    Bethpage, NY 
     (3.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Matthew Mckinley is a Gastroenterologist in Bethpage, New York. Dr. Mckinley is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Barrett Esophagus, Gastroesophageal Reflux Disease (GERD), Esophageal Cancer, Neuroma Biliary Tract, and Endoscopy.

    Experienced in Gastrointestinal Bleeding
    Gastroenterology | Internal Medicine
    Experienced in Gastrointestinal Bleeding
    Gastroenterology | Internal Medicine
    1703 Merrick Avenue, 
    Merrick, NY 
     (4.4 miles away)
    Languages Spoken:
    English

    Neelam Gupta is an Internal Medicine specialist and a Gastroenterologist in Merrick, New York. Dr. Gupta is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. Her top areas of expertise are Esophagitis, Diverticular Disease, Gastroesophageal Reflux Disease (GERD), Gastrectomy, and Colonoscopy.

    Marc E. Sher
    Distinguished in Gastrointestinal Bleeding
    Colorectal Surgery | General Surgery
    Distinguished in Gastrointestinal Bleeding
    Colorectal Surgery | General Surgery
    3003 New Hyde Park Road, Suite 309, 
    New Hyde Park, NY 
     (12.7 miles away)
    Languages Spoken:
    English

    President - New York Surgical SocietyPast President - New York society of Colon and Rectal Surgeons. Dr. Sher is rated as a Distinguished provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Gastrointestinal Bleeding, Hernia, Cholecystitis, Hernia Surgery, and Bladder Reconstruction.

    Advanced in Gastrointestinal Bleeding
    Internal Medicine
    Advanced in Gastrointestinal Bleeding
    Internal Medicine

    Office

    672 Broadway, 
    Massapequa, NY 
     (0.7 miles away)
    Languages Spoken:
    English

    Mohammad Saif is a primary care provider, practicing in Internal Medicine in Massapequa, New York. Dr. Saif is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Sepsis, Gastrointestinal Bleeding, Pneumonia, Gastrostomy, and Colonoscopy.

    Advanced in Gastrointestinal Bleeding
    Gastroenterology
    Advanced in Gastrointestinal Bleeding
    Gastroenterology

    Office

    850 Hicksville Rd Ste 100, 
    Seaford, NY 
     (0.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Theodore Perlman is a Gastroenterologist in Seaford, New York. Dr. Perlman is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Diverticular Disease, Gastrointestinal Bleeding, Heartburn, Gastrectomy, and Colonoscopy.

    Advanced in Gastrointestinal Bleeding
    Gastroenterology
    Advanced in Gastrointestinal Bleeding
    Gastroenterology

    Office

    1061 N Broadway Ste 2, 
    Massapequa, NY 
     (1.2 miles away)
    Languages Spoken:
    English

    Bernard Stark is a Gastroenterologist in Massapequa, New York. Dr. Stark is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Acute Pancreatitis, Angiodysplasia of the Colon, Gastrointestinal Bleeding, Gastrectomy, and Endoscopy.

    Michael J. Carvo
    Experienced in Gastrointestinal Bleeding
    Family Medicine
    Experienced in Gastrointestinal Bleeding
    Family Medicine

    Northwell Health Physician Partners Cardiology And Internal Medicine At Seaford

    850 Hicksville Road, Suite 104, 
    Seaford, NY 
     (1.9 miles away)
    Languages Spoken:
    English

    Michael Carvo is a primary care provider, practicing in Family Medicine in Seaford, New York. Dr. Carvo is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Hypertension, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, and High Cholesterol.

    Advanced in Gastrointestinal Bleeding
    Gastroenterology
    Advanced in Gastrointestinal Bleeding
    Gastroenterology

    South Nassau Primary Medical Care PC

    2750 Merrick Rd, 
    Bellmore, NY 
     (2.9 miles away)
    Languages Spoken:
    English

    Kasim Kazbay is a Gastroenterologist in Bellmore, New York. Dr. Kazbay is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Gastrointestinal Bleeding, Acute Pancreatitis, Childhood Pancreatitis, Endoscopy, and Colonoscopy.

    Advanced in Gastrointestinal Bleeding
    Gastroenterology
    Advanced in Gastrointestinal Bleeding
    Gastroenterology

    King Kullen Pharmacies Corp

    185 Central Ave, 
    Bethpage, NY 
     (3.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Brian Markowitz is a Gastroenterologist in Bethpage, New York. Dr. Markowitz is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Gastrointestinal Bleeding, Swallowing Difficulty, Barrett Esophagus, Colonoscopy, and Endoscopy.

    Eugene M. Sullivan
    Experienced in Gastrointestinal Bleeding
    Gastroenterology
    Experienced in Gastrointestinal Bleeding
    Gastroenterology

    Northwell Health Gastroenterology Associates At Uniondale

    106 Charles Lindbergh Boulevard, Suite B, 
    Uniondale, NY 
     (7.5 miles away)
    Languages Spoken:
    English

    Eugene Sullivan is a Gastroenterologist in Uniondale, New York. Dr. Sullivan is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Tenesmus, Gastrointestinal Bleeding, Crohn's Disease, Endoscopy, and Colonoscopy.

    Christopher J. Dimaio
    Experienced in Gastrointestinal Bleeding
    Gastroenterology
    Experienced in Gastrointestinal Bleeding
    Gastroenterology
    106 Charles Lindbergh Boulevard, Suite A, 
    Uniondale, NY 
     (7.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Christopher J. DiMaio, MD is a member of Northwell Health Physician Partners Gastroenterology and is the Regional Director of Endoscopy.He is an interventional endoscopist and a nationally recognized expert in the care of patients with complex pancreatic and biliary diseases, pre-cancerous and cancerous lesions of the gastrointestinal tract, Barrett's esophagus, complex colon polyps, benign and malignant obstruction of the gastrointestinal tract, and post-operative complications such as fistulas, leaks, and strictures. A significant portion of his practice is dedicated to the management of benign and malignant pancreatic disease, including pancreatitis, pancreatic cancers and cysts, and pancreatic fluid collections/pseudocysts/necrosis.Dr. DiMaio is a frequent speaker at national and regional GI meetings, has more than 100 scientific publications in high-impact journals, and has served on numerous committees for the American Society for Gastrointestinal Endoscopy (ASGE). He is a Past President of the New York Society for Gastroenterology and Endoscopy (NYSGE). Prior to joining Northwell, Dr. DiMaio served in a number of leadership positions with Memorial Sloan-Kettering Cancer Center, Mount Sinai Hospital, and Catholic Health. Dr. Dimaio is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Familial Pancreatic Cancer, Barrett Esophagus, Bile Duct Stricture, Pancreatectomy, and Endoscopy.

    Benjamin Stern
    Experienced in Gastrointestinal Bleeding
    Gastroenterology
    Experienced in Gastrointestinal Bleeding
    Gastroenterology

    Northwell Health Gastroenterology Associates At Uniondale

    106 Charles Lindbergh Boulevard, Suite B, 
    Uniondale, NY 
     (7.5 miles away)
    Languages Spoken:
    English

    Benjamin Stern is a Gastroenterologist in Uniondale, New York. Dr. Stern is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Familial Adenomatous Polyposis, Childhood Pancreatitis, Nonalcoholic Steatohepatitis (NASH), Gastrectomy, and Colonoscopy.

    Andrew B. Rosenberg
    Experienced in Gastrointestinal Bleeding
    Gastroenterology
    Experienced in Gastrointestinal Bleeding
    Gastroenterology

    Northwell Health Gastroenterology Associates At Uniondale

    106 Charles Lindbergh Boulevard, Suite B, 
    Uniondale, NY 
     (7.5 miles away)
    Languages Spoken:
    English

    Andrew Rosenberg is a Gastroenterologist in Uniondale, New York. Dr. Rosenberg is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Bleeding. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Heartburn, Barrett Esophagus, Gastrectomy, and Colonoscopy.

    Showing 1-20 of 321

    Last Updated: 02/22/2026

    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 Massapequa, NY?

    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 Massapequa, NY?

    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 Massapequa, NY?

    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 Massapequa, NY?

    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 Massapequa, NY?

    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 Massapequa, NY?

    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 Massapequa, NY?

    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 

    Read more about our Content Policy