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Dr. John Francis Hennecken, MD

Brooklyn, NY

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Hennecken, Cardiologist in Brooklyn, NY?

    Dr. John Francis Hennecken, MD is a Cardiologist, who primarily practices in Brooklyn, NY. Dr. Hennecken is fluent in English, and is currently seeing new patients. Dr. Hennecken’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Hennecken’s office at (929) 210-6001.

    What languages does Dr. Hennecken speak?

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

    • English

    What conditions does a Cardiologist like Dr. Hennecken typically treat?

    As a Cardiologist, Dr. Hennecken 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. Hennecken. 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:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

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

    ICD-10 Codes:

    • E7800: Pure hypercholesterolemia, unspecified

    Also known as:

    • Hardening of the Arteries in the Heart without Chest Pain
    • Atherosclerosis
    • Coronary Artery Disease
    • Silent Coronary Artery Disease
    • Asymptomatic Atherosclerosis

    ICD-10 Codes:

    • I2510: Atherosclerotic heart disease of native coronary artery without angina pectoris

    Also known as:

    • Shortness of Breath
    • Breathing Problems
    • Dyspnea
    • Difficulty breathing
    • Breathlessness

    ICD-10 Codes:

    • R0609: Other forms of dyspnea

    Also known as:

    • Chest Pain
    • Chest discomfort
    • Thoracic pain
    • Pectoral pain

    ICD-10 Codes:

    • R0789: Other chest pain

    What procedures does a Cardiologist like Dr. Hennecken typically perform?

    As a Cardiologist, procedures performed by Dr. John Francis Hennecken may include:

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

    Does Dr. Hennecken accept my insurance?

    Dr. Hennecken accepts most major insurance plans. Important: Please call our office at (929) 210-6001 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Hennecken accept in Brooklyn, NY?

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

    Top Insurances

    • Cigna Group

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • EmblemHealth

    • Healthfirst New York

    • Medicare

    • National Benefit Fund

    • Service Employees International Union (SEIU)

    • UnitedHealth Group

    • Unknown

    View All Insurances

    Where is Dr. Hennecken's office located?

    Dr. John Francis Hennecken's Primary Practice

    300 Cadman Plz W Fl 18

    Brooklyn, NY 11201

    (929) 210-6001

    Get Directions

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

    Dr. Hennecken's National Provider Identifier (NPI) number is 1104856780.

    What common questions do patients ask about Dr. Hennecken?

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

    What is Dr. John Francis Hennecken's specialty?

    Dr. Hennecken is a Cardiologist near Brooklyn, NY.

    What does a Cardiologist do?

    An internist specializing in cardiovascular diseases focuses on the diagnosis and management of complex heart and blood vessel conditions, including heart attacks and life-threatening arrhythmias.

    Is this Dr. John Francis Hennecken affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Hennecken is affiliated with Nyu Langone Health - Tisch Hospital, Mount Sinai Brooklyn 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 a Cardiologist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a Cardiologist. 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 John Francis Hennecken accepting new patients in Brooklyn, NY?

    Yes, Dr. John Francis Hennecken is accepting new patients at this time.

    Does Dr. John Francis Hennecken offer online booking?

    Please contact Dr. Hennecken's office at (929) 210-6001 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with John Francis Hennecken?

    Please contact Dr. Hennecken's office at (929) 210-6001 for information regarding telehealth appointment availability or for scheduling assistance.

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