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Dr. Sean Ho Yoon, MD

Great Neck, NY

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Yoon, Endocrinologist in Great Neck, NY?

    Dr. Sean Ho Yoon, MD is an Endocrinologist, who primarily practices in Great Neck, NY with 2 additional practice locations. Dr. Yoon is fluent in English, and is currently seeing new patients. Dr. Yoon’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Yoon’s office at (516) 708-2540.

    What languages does Dr. Yoon speak?

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

    • English

    What conditions does an Endocrinologist like Dr. Yoon typically treat?

    As an Endocrinologist, Dr. Yoon 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. Yoon. 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:

    • Type 2 Diabetes
    • Type 2 Diabetes with High Blood Sugar
    • Diabetes Type 2
    • Type 2 diabetes
    • Hyperglycemia
    • Diabetes Mellitus Type 2
    • Adult-Onset Diabetes
    • Non-Insulin Dependent Diabetes
    • Diabetic Hyperglycemia
    • High Blood Glucose
    • High Sugar Levels

    ICD-10 Codes:

    • E119: Type 2 diabetes mellitus without complications
    • E1165: Type 2 diabetes mellitus with hyperglycemia

    Also known as:

    • Hypothyroidism
    • Congenital hypothyroidism
    • Hypothyroidism (Underactive Thyroid)
    • Underactive Thyroid
    • Low Thyroid Function

    ICD-10 Codes:

    • E039: Hypothyroidism, unspecified

    Also known as:

    • Hyperthyroidism
    • Hyperthyroidism (Overactive Thyroid)
    • Overactive Thyroid
    • Thyrotoxicosis
    • High Thyroid Function

    ICD-10 Codes:

    • E0590: Thyrotoxicosis, unspecified without thyrotoxic crisis or storm

    Does Dr. Yoon accept my insurance?

    Dr. Yoon accepts most major insurance plans. Important: Please call our office at (516) 708-2540 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Yoon accept in Great Neck, NY?

    Dr. Yoon in Great Neck, 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

    • Centene Corporation

    • Corporate Services

    • CVS Health (formerly Aetna)

    • Medicare

    • MVP Health Care

    • Service Employees International Union (SEIU)

    • Unknown

    View All Insurances

    Where is Dr. Yoon's office located?

    Dr. Sean Ho Yoon's Primary Practice

    865 Northern Blvd Ste 203

    Great Neck, NY 11021

    (516) 708-2540

    Get Directions

    Dr. Sean Ho Yoon's Practice 2

    5645 Main St

    Flushing, NY 11355

    Get Directions

    Dr. Sean Ho Yoon's Practice 3

    25611 Union Tpke

    Glen Oaks, NY 11004

    Get Directions

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

    Dr. Yoon's National Provider Identifier (NPI) number is 1386208858.

    What common questions do patients ask about Dr. Yoon?

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

    What is Dr. Sean Ho Yoon's specialty?

    Dr. Yoon is a Endocrinologist near Great Neck, NY.

    What does an Endocrinologist do?

    An internist specializing in disorders of the endocrine glands, including the thyroid and adrenal glands. This specialist also manages a range of conditions such as diabetes, metabolic and nutritional disorders, obesity, pituitary disorders, and menstrual and sexual health issues.

    Is this Dr. Sean Ho Yoon affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Yoon is affiliated with Long Island Jewish Medical Center, North Shore University Hospital, Albany Medical Center which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They 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 Endocrinologist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see an Endocrinologist. 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 Sean Ho Yoon accepting new patients in Great Neck, NY?

    Yes, Dr. Sean Ho Yoon is accepting new patients at this time.

    Does Dr. Sean Ho Yoon offer online booking?

    Please contact Dr. Yoon's office at (516) 708-2540 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Sean Ho Yoon?

    Please contact Dr. Yoon's office at (516) 708-2540 for information regarding telehealth appointment availability or for scheduling assistance.

    <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>