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Dr. Jack Geffken, DO

Dr. Jack Geffken, DO

Bethpage, NY

28 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Geffken, Internist in Bethpage, NY?

    Dr. Jack Geffken, DO is an Internist, who primarily practices in Bethpage, NY. He has been practicing for over 28 years and is board certified. Dr. Geffken graduated from New York College Of Osteopathic Medicine and completed his residency at Winthrop-University Hosp, Internal Medicine. Dr. Geffken is fluent in English, and is currently seeing new patients. Dr. Geffken’s practice accepts Medicaid, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Geffken’s office at (516) 937-5000.

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

    • Residency: Winthrop-University Hosp, Internal Medicine | Winthrop University Hospital | Winthrop-University Hospital Program

    • Medical School: Ny Coll Of Osteo Med Of Ny Inst Of Tech- Old Westbury Ny | New York College Of Osteopathic Medicine | New York College Of Osteopathic Medicine | New York Institute of Technology College of Osteopathic Medicine

    Is Dr. Geffken board certified as an Internist?

    Yes, Dr. Jack Geffken, DO is board certified by the American Board of Internal Medicine

    What languages does Dr. Geffken speak?

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

    • English

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

    As an Internist, Dr. Geffken 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. Geffken. 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.

    Also known as:

    • Routine Adult Health Checkup
    • Health Checkup
    • Adult physical exam
    • Annual wellness visit for adults
    • General adult medical exam

    ICD-10 Codes:

    • Z0000: Encounter for general adult medical examination without abnormal findings

    Also known as:

    • High Cholesterol
    • Cholesterol
    • Hypercholesterolemia
    • High blood cholesterol
    • Elevated cholesterol

    ICD-10 Codes:

    • E7800: Pure hypercholesterolemia, unspecified

    Also known as:

    • High Blood Pressure
    • Hypertension
    • Primary Hypertension
    • Essential Hypertension

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • Type 2 Diabetes
    • Diabetes Type 2
    • Type 2 diabetes
    • Diabetic Kidney Problems
    • Diabetes Mellitus Type 2
    • Adult-Onset Diabetes
    • Non-Insulin Dependent Diabetes
    • Diabetic Kidney Issues
    • Kidney Problems from Type 2 Diabetes
    • Type 2 Diabetes Renal Complications

    ICD-10 Codes:

    • E119: Type 2 diabetes mellitus without complications
    • E1129: Type 2 diabetes mellitus with other diabetic kidney complication

    Also known as:

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

    ICD-10 Codes:

    • E039: Hypothyroidism, unspecified

    Also known as:

    • Mixed High Cholesterol and Triglycerides
    • Cholesterol
    • Triglycerides
    • Mixed hyperlipidemia
    • Combined hyperlipidemia
    • High lipids

    ICD-10 Codes:

    • E782: Mixed hyperlipidemia

    Also known as:

    • Common Cold
    • Upper Respiratory Infection
    • Head Cold
    • Cold Symptoms

    ICD-10 Codes:

    • J069: Acute upper respiratory infection, unspecified

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

    As an Internist, procedures performed by Dr. Jack Geffken may include:

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

    Does Dr. Geffken accept my insurance?

    Dr. Geffken accepts most major insurance plans. Important: Please call our office at (516) 937-5000 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Geffken accept in Bethpage, NY?

    Dr. Geffken in Bethpage, 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

    • EmblemHealth

    • Medicaid

    • Medicare

    • Service Employees International Union (SEIU)

    • State of Maine

    • State of Washington

    • UnitedHealth Group

    • Unknown

    View All Insurances

    Where is Dr. Geffken's office located?

    Dr. Jack Geffken's Primary Practice

    530 Hicksville Rd

    Bethpage, NY 11714

    (516) 937-5000

    Get Directions

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

    Dr. Geffken's National Provider Identifier (NPI) number is 1053310268.

    What common questions do patients ask about Dr. Geffken?

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

    What is Dr. Jack Geffken's specialty?

    Dr. Geffken is a Internist near Bethpage, 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. Jack Geffken affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Geffken is affiliated with Nyu Langone Health - Tisch Hospital, Peconic Bay Medical Center, North Shore University Hospital 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 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 Jack Geffken accepting new patients in Bethpage, NY?

    Yes, Dr. Jack Geffken is accepting new patients at this time.

    Does Dr. Jack Geffken offer online booking?

    Please contact Dr. Geffken's office at (516) 937-5000 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Jack Geffken?

    Please contact Dr. Geffken's office at (516) 937-5000 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Jack Geffken have?

    Dr. Jack Geffken is certified by the American Board of Internal Medicine.

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