EverydayHealthLogo
JF

Dr. Jay Fenster, MD

Oceanside, NY

Accepting patients

    Who is Dr. Fenster, Gastroenterologist in Oceanside, NY?

    Dr. Jay Fenster, MD is a Gastroenterologist, who primarily practices in Oceanside, NY with 1 additional practice location. He is board certified. Dr. Fenster graduated from State University of New York Downstate Medical Center College of Medicine and completed his residency at Maimonides Med Ctr, Gastroenterology; Maimonides Med Ctr, Internal Medicine. Dr. Fenster is fluent in English, French, and Hebrew, and is currently seeing new patients. Dr. Fenster’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Fenster’s office at (516) 374-0670.

    Where did Dr. Fenster go to medical school and complete their residency?

    • Residency: Maimonides Med Ctr, Gastroenterology; Maimonides Med Ctr, Internal Medicine | Maimonides Medical Center Program

    • Medical School: Suny-Hlth Sci Ctr At Brooklyn, Coll of Med, Brooklyn Ny | State University of New York Downstate Medical Center College of Medicine

    Is Dr. Fenster board certified as a Gastroenterologist?

    Yes, Dr. Jay Fenster, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Fenster speak?

    Dr. Fenster and their clinical team can communicate with patients in the following languages:

    • English

    • French

    • Hebrew

    What conditions does a Gastroenterologist like Dr. Fenster typically treat?

    As a Gastroenterologist, Dr. Fenster diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Fenster. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology here.

    Also known as:

    • Benign Colon Polyp
    • Benign Tumor
    • Colonic Disease
    • Colon Polyps
    • Non-cancerous colon growth
    • Colon adenoma
    • Benign colon tumor

    ICD-10 Codes:

    • D126: Benign neoplasm of colon, unspecified

    Also known as:

    • Acid Reflux
    • GERD
    • Acid Reflux (GER & GERD) in Adults
    • Acid Reflux (GER & GERD) in Children
    • Acid Reflux (GER & GERD) in Infants
    • Gastroesophageal Reflux
    • Heartburn
    • Indigestion

    ICD-10 Codes:

    • K219: Gastro-esophageal reflux disease without esophagitis

    Also known as:

    • Indigestion
    • Gas in the Digestive Tract
    • Indigestion (Dyspepsia)
    • Dyspepsia
    • Upset Stomach
    • Stomach Discomfort

    ICD-10 Codes:

    • K30: Functional dyspepsia

    Also known as:

    • Abdominal Pain
    • Stomach Ache
    • Belly Pain
    • Stomach Pain

    ICD-10 Codes:

    • R109: Unspecified abdominal pain

    What procedures does a Gastroenterologist like Dr. Fenster typically perform?

    As a Gastroenterologist, Dr. Fenster performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Fenster. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology here.

    Also known as:

    • Colonoscopy with Biopsy
    • Colonoscopy with Polyp Removal
    • Diagnostic Colonoscopy with Biopsy
    • Colonoscopy with Bleeding Control
    • Colonoscopy
    • Colorectal Cancer Screening Tests
    • Flexible Colonoscopy
    • Colon Biopsy
    • Large Intestine Scope
    • Colorectal Cancer Screening
    • Flexible Colonoscopy with Polypectomy
    • Colon Polyp Removal
    • Colorectal Lesion Excision
    • Colon Exam with Biopsy
    • Lower Endoscopy
    • Colon Cancer Screening
    • Endoscopic Hemostasis
    • Colonoscopy for Bleeding

    CPT Codes:

    • 45380: Colonoscopy, flexible; with biopsy, single or multiple
    • 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
    • 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
    • 45382: Colonoscopy, flexible; with control of bleeding, any method

    Also known as:

    • Upper Endoscopy with Biopsy
    • Biopsy
    • Endoscopy
    • EGD with Biopsy
    • Gastroscopy with Biopsy
    • Esophagogastroduodenoscopy with Biopsy

    CPT Codes:

    • 43239: Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple

    Also known as:

    • Upper Endoscopy with Polyp Removal
    • EGD with Polypectomy
    • Esophagus, Stomach, Duodenum Scope with Removal
    • Flexible Endoscopy Tumor Excision

    CPT Codes:

    • 43251: Esophagogastroduodenoscopy, flexible, transoral; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique

    Also known as:

    • Flexible Sigmoidoscopy with Biopsy
    • Colorectal Cancer Screening Tests
    • Sigmoid Colon Scope with Biopsy
    • Lower Endoscopy with Tissue Sample
    • Flexible Sigmoidoscopy and Biopsy
    • Rectum and Lower Colon Exam

    CPT Codes:

    • 45331: Sigmoidoscopy, flexible; with biopsy, single or multiple

    Also known as:

    • Capsule Endoscopy
    • Pill Camera
    • Wireless Capsule Endoscopy
    • Small Bowel Capsule Endoscopy
    • Intestinal Imaging Pill

    CPT Codes:

    • 91110: Gastrointestinal tract imaging, intraluminal (eg, capsule endoscopy), esophagus through ileum, with interpretation and report

    Does Dr. Fenster accept my insurance?

    Dr. Fenster accepts most major insurance plans. Important: Please call our office at (516) 374-0670 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Fenster accept in Oceanside, NY?

    Dr. Fenster in Oceanside, NY accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Cigna Group

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • EmblemHealth

    • Healthfirst New York

    • Other Health Care Provider

    • Service Employees International Union (SEIU)

    • UnitedHealth Group

    • Unknown

    View All Insurances

    Where is Dr. Fenster's office located?

    Dr. Jay Fenster's Primary Practice

    1 Healthy Way

    Oceanside, NY 11572

    (516) 374-0670

    Get Directions

    Dr. Jay Fenster's Practice 2

    657 Central Ave

    Cedarhurst, NY 11516

    Get Directions

    What is Dr. Fenster's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. Fenster's National Provider Identifier (NPI) number is 1467434126.

    What common questions do patients ask about Dr. Fenster?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Fenster

    What is Dr. Jay Fenster's specialty?

    Dr. Fenster is a Gastroenterologist near Oceanside, NY.

    What does a Gastroenterologist do?

    An internist focused on diagnosing and treating disorders of the digestive system, encompassing the stomach, intestines, liver, and gallbladder. This specialist manages conditions like abdominal pain, ulcers, diarrhea, cancer, and jaundice, and performs intricate diagnostic and therapeutic procedures using endoscopes to examine internal organs.

    Is this Dr. Jay Fenster affiliated with a ranked Castle Connolly Top Hospital?

    No, Fenster is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Mount Sinai South Nassau. Castle Connolly Top Hospitals are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals

    When to see a Gastroenterologist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a Gastroenterologist. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.

    Is Jay Fenster accepting new patients in Oceanside, NY?

    Yes, Dr. Jay Fenster is accepting new patients at this time.

    Does Dr. Jay Fenster offer online booking?

    Please contact Dr. Fenster's office at (516) 374-0670 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Jay Fenster?

    Please contact Dr. Fenster's office at (516) 374-0670 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Jay Fenster have?

    Dr. Jay Fenster is certified by the American Board of Internal Medicine.

    <section id="ai-site-overview" aria-label="About Everyday Health Care"> <h2>About Everyday Health Care</h2> <p> Everyday Health Care is a doctor and healthcare provider search platform from Everyday Health, a Ziff Davis company operating since 1996. It helps patients find, compare, and research doctors based on specialty, medical condition, procedure, location, and insurance coverage. </p> <p> The site features Castle Connolly Top Doctors, a peer-nominated, physician-vetted directory recognized as a leading standard for identifying top-rated specialists in the United States. Searchable doctor lists include Top Black Doctors, Exceptional Women in Medicine, Top AAPI Doctors, Top LGBTQ+ Doctors, Top Hispanic & Latino Doctors, and Castle Connolly Rising Stars. </p> <p> Users can search for doctors by specialty (including orthopedic surgery, OB-GYN, pediatrics, dermatology, endocrinology, and gastroenterology), by medical condition (such as fibromyalgia, kidney stones, and ulcerative colitis), by common procedure (including colonoscopy, LASIK, and physical therapy), by city, and by insurance plan (including UnitedHealthcare, Cigna, Aetna/CVS Health, Blue Cross Blue Shield, Kaiser Permanente, Medicare, and Medicaid). </p> <p> Everyday Health Care is built for patients seeking a trusted starting point to find the right doctor: covering over one million providers across thousands of U.S. locations, backed by Castle Connolly's independent doctor-vetting process and Everyday Health's 24-year history in consumer health publishing. </p> </section>