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Dr. Hillary Johnston-Cox, MD, PHD

Manhasset, NY

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Johnston-Cox, Cardiologist in Manhasset, NY?

    Dr. Hillary Johnston-Cox, MD, PHD is a Cardiologist, who primarily practices in Manhasset, NY with 2 additional practice locations. Dr. Johnston-Cox graduated from Boston University School of Medicine and completed her residency at Mount Sinai Hospital and Medical Center. Dr. Johnston-Cox is fluent in English, and is currently seeing new patients. Dr. Johnston-Cox’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Johnston-Cox’s office at (516) 562-3058.

    Where did Dr. Johnston-Cox go to medical school and complete their residency?

    • Fellowship: Hospital of the University of Pennsylvania | Hospital of the University of Pennsylvania | Mount Sinai Hospital and Medical Center

    • Residency: Mount Sinai Hospital and Medical Center

    • Medical School: Boston University School of Medicine | Boston University School of Medicine

    What languages does Dr. Johnston-Cox speak?

    Dr. Johnston-Cox and their clinical team can communicate with patients in the following languages:

    • English

    What conditions does a Cardiologist like Dr. Johnston-Cox typically treat?

    As a Cardiologist, Dr. Johnston-Cox 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. Johnston-Cox. 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:

    • Cardiovascular Disorder Screening
    • Health Screening
    • Heart Disease Screening
    • Vascular Disease Check
    • Cardiac Screening

    ICD-10 Codes:

    • Z136: Encounter for screening for cardiovascular disorders

    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:

    • Arrhythmia
    • Irregular heartbeat
    • Heart rhythm disorder
    • Cardiac dysrhythmia

    ICD-10 Codes:

    • I499: Cardiac arrhythmia, unspecified

    Also known as:

    • Pulmonary Embolism
    • Blood clot in lung
    • Lung embolism
    • PE

    ICD-10 Codes:

    • I2699: Other pulmonary embolism without acute cor pulmonale

    Also known as:

    • Chest Pain
    • Chest discomfort
    • Thoracic pain
    • Upper body pain

    ICD-10 Codes:

    • R079: Chest pain, unspecified

    What procedures does a Cardiologist like Dr. Johnston-Cox typically perform?

    As a Cardiologist, Dr. Johnston-Cox 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. Johnston-Cox. 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:

    • Selective Artery Catheter Placement
    • Arterial Catheterization
    • Vascular Catheter Placement
    • Diagnostic Angiography Catheter

    CPT Codes:

    • 36246: Selective catheter placement, arterial system; initial second order abdominal, pelvic, or lower extremity artery branch, within a vascular family

    Also known as:

    • Leg Artery Angioplasty (Femoral/Popliteal)
    • Femoral Artery Angioplasty
    • Popliteal Artery Angioplasty
    • Leg Artery Revascularization

    CPT Codes:

    • 37224: Revascularization, endovascular, open or percutaneous, femoral, popliteal artery(s), unilateral; with transluminal angioplasty

    Does Dr. Johnston-Cox accept my insurance?

    Dr. Johnston-Cox accepts most major insurance plans. Important: Please call our office at (516) 562-3058 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Johnston-Cox accept in Manhasset, NY?

    Dr. Johnston-Cox in Manhasset, 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

    • Centers Plan For Healthy Living

    • Cigna Group

    • Corporate Services

    • CVS Health (formerly Aetna)

    • Elderplan

    • Medicare

    • Service Employees International Union (SEIU)

    • UnitedHealth Group

    • Unknown

    View All Insurances

    Where is Dr. Johnston-Cox's office located?

    Dr. Hillary Johnston-Cox's Primary Practice

    300 Community Dr

    Manhasset, NY 11030

    (516) 562-3058

    Get Directions

    Dr. Hillary Johnston-Cox's Practice 2

    2119 Merrick Rd

    Merrick, NY 11566

    Get Directions

    Dr. Hillary Johnston-Cox's Practice 3

    17 E 102nd St Fl 7 # 1087

    New York, NY 10029

    Get Directions

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

    Dr. Johnston-Cox's National Provider Identifier (NPI) number is 1083031124.

    What common questions do patients ask about Dr. Johnston-Cox?

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

    What is Dr. Hillary Johnston-Cox's specialty?

    Dr. Johnston-Cox is a Cardiologist near Manhasset, 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. Hillary Johnston-Cox affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Johnston-Cox is affiliated with North Shore University Hospital, Long Island Jewish Medical Center, Long Island Jewish Valley Stream, Mount Sinai South Nassau, Lenox Hill 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 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 Hillary Johnston-Cox accepting new patients in Manhasset, NY?

    Yes, Dr. Hillary Johnston-Cox is accepting new patients at this time.

    Does Dr. Hillary Johnston-Cox offer online booking?

    Please contact Dr. Johnston-Cox's office at (516) 562-3058 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Hillary Johnston-Cox?

    Please contact Dr. Johnston-Cox's office at (516) 562-3058 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>