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Dr. Marc Leaf, MD

Brooklyn, NY

Accepting patients

    Who is Dr. Leaf, Internist in Brooklyn, NY?

    Dr. Marc Leaf, MD is an Internist, who primarily practices in Brooklyn, NY. He is board certified. Dr. Leaf graduated from University at Buffalo State University of New York School of Medicine & Biomedical Sciences and completed his residency at Mt Sinai Med Ctr, Gastroenterology; Beth Israel Med Ctr, Internal Medicine. Dr. Leaf is fluent in English and French, and is currently seeing new patients. To book an appointment or to confirm insurance options, please call Dr. Leaf’s office at (718) 232-3003.

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

    • Residency: Mt Sinai Med Ctr, Gastroenterology; Beth Israel Med Ctr, Internal Medicine | CEME/Mount Sinai Medical Center Program

    • Medical School: Suny-Hlth Sci Ctr At Syracuse, Coll of Med, Syracuse Ny | University at Buffalo State University of New York School of Medicine & Biomedical Sciences

    Is Dr. Leaf board certified as an Internist?

    Yes, Dr. Marc Leaf, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Leaf speak?

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

    • English

    • French

    What conditions does an Internist like Dr. Leaf typically treat?

    As an Internist, conditions treated by Dr. Marc Leaf may include:

    Please contact Dr. Leaf's office directly to confirm care for your specific condition, for more information, or to schedule a consultation.

    What procedures does an Internist like Dr. Leaf typically perform?

    As an Internist, procedures performed by Dr. Marc Leaf may include:

    Please contact Dr. Leaf's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.

    Does Dr. Leaf accept my insurance?

    Please contact Dr. Leaf's office to confirm accepted insurance plans.

    Where is Dr. Leaf's office located?

    Dr. Marc Leaf's Primary Practice

    8023 19th Ave

    Brooklyn, NY 11214

    (718) 232-3003

    Get Directions

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

    Dr. Leaf's National Provider Identifier (NPI) number is 1700988797.

    What common questions do patients ask about Dr. Leaf?

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

    What is Dr. Marc Leaf's specialty?

    Dr. Leaf is a Internist near Brooklyn, NY.

    What does an Internist do?

    A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

    Is this Dr. Marc Leaf affiliated with a ranked Castle Connolly Top Hospital?

    No, Leaf is not affiliated with a Castle Connolly Top Hospital. 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 an Internist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see an Internist. 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 Marc Leaf accepting new patients in Brooklyn, NY?

    Yes, Dr. Marc Leaf is accepting new patients at this time.

    Does Dr. Marc Leaf offer online booking?

    Please contact Dr. Leaf's office at (718) 232-3003 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Marc Leaf?

    Please contact Dr. Leaf's office at (718) 232-3003 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Marc Leaf have?

    Dr. Marc Leaf 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>