The 20 Best Gastrointestinal Fistula Doctors Near Me in Greenlawn, NY

Find the Top Gastrointestinal Fistula Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 27 doctor with experience in Gastrointestinal Fistula near Greenlawn, NY. Of these, 26 are Experienced and 1 are Advanced.

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27 providers found
    Experienced in Gastrointestinal Fistula
    General Surgery
    Experienced in Gastrointestinal Fistula
    General Surgery

    Northwell Health Physician Partners Breast Surgery At Huntington

    270 Pulaski Road, Suite A, 
    Greenlawn, NY 
     (1.5 miles away)
    Languages Spoken:
    English, Cantonese

    "Joyce Au, MD, FACS, is a breast surgeon at Northwell Health. She offers specialized care for high-risk cases and performs a wide range of breast procedures, including lumpectomy and nipple-sparing mastectomy for breast cancer.""I've always been fascinated with medicine, science and the human body,"" says Dr. Au, recalling her childhood in Hong Kong and her admiration for her grandfather, who practiced traditional Chinese medicine.Dr. Au completed her general surgery residency at SUNY Downstate. She went on to do a fellowship in advanced training in breast and melanoma surgery at Fox Chase Cancer Center.She joined Northwell Health in 2016 as a breast surgeon at Northwell Health Physician Partners Breast Surgery at Huntington. Working with a multidisciplinary team-including radiation oncologists, medical oncologists, radiologists, plastic surgeons and genetic counselors-Dr. Au makes sure every patient is comfortable and fully informed. ""I know it's a tough time, so it is important to be compassionate and kind,"" she says. ""I make sure they understand every part of their care."" Patients certainly agree-Dr. Au is a two-time recipient of Northwell's Patients' Choice Award, a feedback-based recognition.Dr. Au is also an assistant professor at the Donald and Barbara Zucker School of Medicine at Hofstra/Northwell and is a member of the American Society of Breast Surgeons and the American College of Surgeons. She's authored numerous peer-reviewed publications, and is currently contributing to a clinical study on 3D breast models for breast cancer patients. She is also working with Northwell partner Cold Spring Harbor Laboratory on breast cancer research.""The best part of my job is seeing people continue living their lives, doing what they love,"" says Dr. Au. ""Patients have sent me their sisters, daughters and moms for care-that is the biggest compliment you could ever get.""". Dr. Au 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 Breast Cancer, Paget Disease of the Breast, Tracheoesophageal Fistula, Breast Lump, and Lymphadenectomy. Dr. Au is board certified in American Board Of Surgery.

    Experienced in Gastrointestinal Fistula
    General Surgery
    Experienced in Gastrointestinal Fistula
    General Surgery
    270 Park Avenue, 
    Huntington, NY 
     (2.7 miles away)
    Languages Spoken:
    English, Spanish

    Vera Freeman is a General Surgeon practicing medicine in Huntington, New York. Dr. Freeman is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Fistula. Her clinical expertise encompasses Hypovolemic Shock, Gastrointestinal Fistula, and Subdural Hematoma. Dr. Freeman is board certified in American Board Of Surgery and American Board Of Surgery/Surgical Critical Care.

    Experienced in Gastrointestinal Fistula
    Gastroenterology
    Experienced in Gastrointestinal Fistula
    Gastroenterology

    Northwell Health Physician Partners Gastroenterology At Huntington

    195 East Main Street, Lower Level, 
    Huntington, NY 
     (1.9 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English, Greek

    Demetrios Tzimas is a Gastroenterologist practicing medicine in Huntington, New York. He has been practicing medicine for over 17 years. Dr. Tzimas is rated as an Experienced 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 Choledocholithiasis, Gallbladder Disease, Hereditary Pancreatitis, Endoscopy, and Lithotripsy.

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

    Joel L Greenberg D.M.D.P.C.

    158 E Main St, 
    Huntington, NY 
     (2.1 miles away)
    Languages Spoken:
    English

    Robert Zingale is an Intensive Care Medicine provider practicing medicine in Huntington, New York. Dr. Zingale is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Fistula. He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Hernia, Familial Colorectal Cancer, Gallbladder Disease, Hernia Surgery, and Lymphadenectomy.

    Advanced in Gastrointestinal Fistula
    Colorectal Surgery
    Advanced in Gastrointestinal Fistula
    Colorectal Surgery

    Northwell Health Physician Partners Surgical Specialties At Woodbury

    321 Crossways Park Drive, Suite B, 
    Woodbury, NY 
     (6.5 miles away)
    Languages Spoken:
    English, Portuguese, Spanish
    Offers Telehealth

    "David E. Rivadeneira, MD, MBA, FACS, FASCRS, is director of Northwell Health Cancer Institute at Huntington and physician-in-chief of clinical strategic initiatives for Northwell facilities across eastern Long Island. He's a board-certified, multilingual general surgeon and colorectal surgeon who provides leading-edge care for colon and rectal cancer, inflammatory bowel disease such as ulcerative colitis and Crohn's disease, as well as diverticulitis.""I've always wanted to help people,"" says Dr. Rivadeneira, who completed his residency in general surgery at Weill Medical College of Cornell University, training at both New York-Presbyterian/Weill Cornell Medical Center and Memorial Sloan Kettering Cancer Center.Dr. Rivadeneira, who joined Northwell in 2013, works alongside a multidisciplinary team including oncologists, geneticists and nutritionists to give patients complete and convenient care. Consultations can usually be made within 24 to 48 hours at various Long Island locations-and everyone receives the care they deserve. ""I treat people like I'd want a family member to be treated,"" says Dr. Rivadeneira. ""I speak to patients in a way that helps them really understand their care-it's clear, concise and always compassionate.""A professor of surgery at the Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Dr. Rivadeneira also instructs surgeons throughout the country and abroad. He is a fellow of the American College of Surgeons, the American Society of Colon and Rectal Surgeons and the Society of Surgical Oncology, among others. He also works closely with Northwell research partner Cold Spring Harbor Laboratory on tissue analysis for critical research studies for the very best patient care-now and in the future.""Seeing patients have better quality of life with no more pain, and seeing them enjoy major life milestones because of treatment-it just doesn't get any better than that,"" he says.". Dr. Rivadeneira is rated as an Advanced provider by MediFind in the treatment of Gastrointestinal Fistula. He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Hemorrhoids, Familial Colorectal Cancer, Colorectal Cancer, Bladder Reconstruction, and Hernia Surgery. Dr. Rivadeneira is board certified in American Board Of Surgery and American Board Of Colon & Rectal Surgery.

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

    Northwell Health Physician Partners Surgical Specialties At Woodbury

    321 Crossways Park Drive, Suite B, 
    Woodbury, NY 
     (6.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    "Titilayo Adegboyega, MD, is the chief of colorectal surgery at South Shore University Hospital. A board-certified colorectal surgeon, she specializes in treating cancer of the colon, rectum and anus, and benign conditions such as colon polyps, inflammatory bowel disease, diverticulitis, rectal prolapse, hemorrhoids, anal fissures and fistulas, and pelvic floor disorders. Dr. Adegboyega became interested in medicine as a child in her native Nigeria. ""I had a play doctor kit,"" she says. ""My mother worked in a hospital, so I was exposed to the health care system and aspired to influence what it could become."" In part thanks to this early influence, she maintains a deep interest in public health, especially in our increasingly globally connected society. Before joining Northwell in 2016, Dr. Adegboyega graduated from the University of Minnesota Medical School. She then went on to complete her general surgery residency at Gundersen-Lutheran Medical Center and a fellowship in colon and rectal surgery at Rhode Island Hospital, the main teaching hospital of The Warren Alpert Medical School of Brown University. Dr. Adegboyega works with a variety of health care providers to maximize her patients' care. For those who have cancer, she collaborates with medical oncologists, radiation oncologists, pathologists and other specialists to develop a comprehensive treatment plan using the latest approaches to care. She may also work with gastroenterologists and urogynecologists, depending on a patient's condition. Whenever possible, Dr. Adegboyega performs minimally invasive surgical procedures, including robotic and laparoscopic approaches. She also specializes in colostomy and ileostomy reversal surgery and diagnostic procedures, such as colonoscopy. In addition to practicing at the Northwell Health Cancer Institute, Dr. Adegboyega is actively involved in resident and medical student education as assistant professor at the Donald and Barbara Zucker School of Medicine at Hofstra/Northwell. She is also affiliated with the Katz Institute for Women's Health. Above all, Dr. Adegboyega enjoys addressing people's health concerns and carefully walking them through the treatment process. ""I spend a lot of time explaining things to my patients, so they can be as active as of a participant in their health care as they want to be,"" she says. ""I'm grateful for and humbled by the experience.""". Dr. Adegboyega 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 Mesenteric Venous Thrombosis, Hemorrhoids, Retroperitoneal Inflammation, Hernia Surgery, and Colonoscopy. Dr. Adegboyega is board certified in American Board Of Surgery and American Board Of Colon & Rectal Surgery.

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

    Northwell Health Physician Partners Surgery At Plainview, Old Country Road

    700 Old Country Road, Suite 204, 
    Plainview, NY 
     (9.2 miles away)
    Languages Spoken:
    English

    Glen Fitterman is a General Surgeon practicing medicine in Plainview, New York. Dr. Fitterman is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Fistula. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Hernia, Gallbladder Disease, Gallstones, Hernia Surgery, and Lymphadenectomy. Dr. Fitterman is board certified in American Board Of Surgery.

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

    LYNN O'Connor Physician PC

    380 Park Ave, 
    Huntington, NY 
     (2.7 miles away)
    Languages Spoken:
    English

    Joseph Patane is a General Surgeon practicing medicine in Huntington, New York. Dr. Patane 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 Gallbladder Disease, Gallstones, Choledocholithiasis, Hernia Surgery, and Colostomy.

    Experienced in Gastrointestinal Fistula
    Bariatric Medicine
    Experienced in Gastrointestinal Fistula
    Bariatric Medicine

    Office

    33 Walt Whitman Rd Ste 300B, 
    Huntington Station, NY 
     (3.6 miles away)
    Languages Spoken:
    English

    Charles Thompson is a Bariatric Medicine provider practicing medicine in Huntington Station, New York. Dr. Thompson 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 Cholecystitis, Retroperitoneal Inflammation, Hernia, Hernia Surgery, and Gastrectomy.

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

    Colon & Rectal Surgical Specialists Of New York

    510 Broadhollow Rd Ste 307, 
    Melville, NY 
     (6.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Frank Caliendo is a Colorectal Surgeon practicing medicine in Melville, New York. Dr. Caliendo is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Fistula. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Mesenteric Venous Thrombosis, Proctitis, Hemorrhoids, Hernia Surgery, and Bladder Reconstruction.

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

    Stony Brook Surgical Associates Ufpc

    222 E Main St Ste 209, 
    Smithtown, NY 
     (8.1 miles away)
    Languages Spoken:
    English

    Paula Denoya is a General Surgeon practicing medicine in Smithtown, New York. Dr. Denoya is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Fistula. She is also highly rated in 16 other conditions, according to our data. Her clinical expertise encompasses Diverticular Disease, Colorectal Cancer, Familial Colorectal Cancer, Hernia Surgery, and Small Bowel Resection.

    Experienced in Gastrointestinal Fistula
    Hospital Medicine
    Experienced in Gastrointestinal Fistula
    Hospital Medicine
    1163 Old Country Road, 
    Plainview, NY 
     (8.3 miles away)
    Languages Spoken:
    English

    Dorit Ben is a primary care provider, practicing in Hospital Medicine in Plainview, New York. Dr. Ben is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Fistula. She is also highly rated in 11 other conditions, according to our data. Her clinical expertise encompasses Sepsis, Pneumonia, Atrioventricular Septal Defect, Gastrostomy, and Ureteroscopy.

    Experienced in Gastrointestinal Fistula
    Bariatric Medicine | General Surgery
    Experienced in Gastrointestinal Fistula
    Bariatric Medicine | General Surgery

    Northwell Health Physician Partners Surgical Specialties At Bay Shore

    250 East Main Street, 1st Floor, 
    Bay Shore, NY 
     (11.7 miles away)
    Languages Spoken:
    English

    David Pechman is a General Surgeon and a Bariatric Medicine provider practicing medicine in Bay Shore, New York. Dr. Pechman 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 Diastasis Recti, Hernia, Umbilical Hernia, Sleeve Gastrectomy, and Gastrectomy. Dr. Pechman is board certified in American Board Of Surgery.

    Experienced in Gastrointestinal Fistula
    Gastroenterology
    Experienced in Gastrointestinal Fistula
    Gastroenterology
    2200 Northern Boulevard, Suite 212, 
    Greenvale, NY 
     (14.8 miles away)
    Languages Spoken:
    English, Hindi

    Neeraj Kaushik is a Gastroenterologist practicing medicine in Greenvale, New York. Dr. Kaushik is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Fistula. He is also highly rated in 72 other conditions, according to our data. His clinical expertise encompasses Exocrine Pancreatic Insufficiency, Hiatal Hernia, Congenital Diaphragmatic Hernia, Endoscopy, and Pancreatectomy.

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

    Office

    5 Pitch Pine Ct, 
    Northport, NY 
     (5.3 miles away)
    Languages Spoken:
    English

    Patricia Matos is a primary care provider, practicing in Internal Medicine in Northport, New York. Dr. Matos is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Fistula. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Paraplegia, Gastrointestinal Fistula, Urinary Tract Infection in Children, and Urinary Tract Infection (UTI).

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

    Optum Medical Care P.C.

    575 Underhill Blvd Ste 190, 
    Syosset, NY 
     (7.9 miles away)
    Languages Spoken:
    English

    Brett Keck is a General Surgeon practicing medicine in Syosset, New York. Dr. Keck 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 Cellulitis, Hernia, Osteomyelitis, Gastrostomy, and Hernia Surgery.

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

    Blue Harbor Medical PC

    4 Technology Dr Ste 240, 
    East Setauket, NY 
     (14.6 miles away)
    Languages Spoken:
    English

    Karim Paracha is a General Surgeon practicing medicine in East Setauket, New York. Dr. Paracha is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Fistula. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Diverticular Disease, Retroperitoneal Inflammation, Cholecystitis, Hernia Surgery, and Gastrostomy.

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

    Stony Brook Surgical Associates Ufpc

    37 Research Way, 
    East Setauket, NY 
     (14.7 miles away)
    Languages Spoken:
    English

    Deborah Nagle is a Colorectal Surgeon practicing medicine in East Setauket, New York. Dr. Nagle is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Fistula. She is also highly rated in 9 other conditions, according to our data. Her clinical expertise encompasses Colorectal Cancer, Familial Colorectal Cancer, Retroperitoneal Inflammation, Ileostomy, and Colostomy.

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

    Office

    4900 Hempstead Tpke # 102, 
    Farmingdale, NY 
     (10.1 miles away)
    Languages Spoken:
    English

    Deborah Duxbury is a General Surgeon practicing medicine in Farmingdale, New York. Dr. Duxbury is rated as an Experienced provider by MediFind in the treatment of Gastrointestinal Fistula. She is also highly rated in 7 other conditions, according to our data. Her clinical expertise encompasses Gallstones, Choledocholithiasis, Gallbladder Disease, Hernia Surgery, and Gastrostomy.

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

    Office

    3001 Express Dr N Ste 104, 
    Islandia, NY 
     (11.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    John Folan is a primary care provider, practicing in Internal Medicine in Islandia, New York. Dr. Folan is rated as an Experienced 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 Lung Metastases, Muscle Atrophy, Familial Hypertension, and Hypertension.

    Showing 1-20 of 27

    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 Greenlawn, 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 Fistula doctor near Greenlawn, 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 Fistula doctors near Greenlawn, 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 Fistula doctors near Greenlawn, 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 Fistula doctor near Greenlawn, 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 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 Greenlawn, 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 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 Greenlawn, NY?

    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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