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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. She is board certified. 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 Dr. Johnston-Cox 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.

    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:

    • Arrhythmia
    • Fast Heartbeat
    • Irregular heartbeat
    • Heart rhythm disorder
    • Cardiac dysrhythmia
    • Tachycardia
    • Rapid heart rate
    • Racing heart
    • Cardiac arrhythmia

    ICD-10 Codes:

    • I499: Cardiac arrhythmia, unspecified
    • R000: Tachycardia, unspecified
    • I459: Conduction disorder, unspecified

    Also known as:

    • Hardening of the Arteries in the Heart without Chest Pain
    • Unstable Angina
    • Atherosclerosis
    • Coronary Artery Disease
    • Silent Coronary Artery Disease
    • Asymptomatic Atherosclerosis
    • Unstable Chest Pain
    • Acute Coronary Syndrome
    • Atherosclerotic Heart Disease with Unstable Angina

    ICD-10 Codes:

    • I2510: Atherosclerotic heart disease of native coronary artery without angina pectoris
    • I25110: Atherosclerotic heart disease of native coronary artery with unstable angina pectoris

    Also known as:

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

    ICD-10 Codes:

    • R079: Chest pain, unspecified

    Also known as:

    • Peripheral Artery Disease
    • Peripheral Artery Disease with Both Legs Pain When Walking
    • Atherosclerosis
    • Peripheral Arterial Disease
    • PVD
    • PAD
    • Poor Circulation in Legs
    • Blocked Leg Arteries
    • Bilateral leg claudication
    • PAD both legs pain with activity
    • Both legs artery pain when walking

    ICD-10 Codes:

    • I739: Peripheral vascular disease, unspecified
    • I70213: Atherosclerosis of native arteries of extremities with intermittent claudication, bilateral legs

    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:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • Deep Vein Thrombosis (DVT) in Leg
    • Deep Vein Thrombosis
    • DVT
    • Blood Clot in Leg Vein
    • Lower Extremity DVT

    ICD-10 Codes:

    • I82409: Acute embolism and thrombosis of unspecified deep veins of unspecified lower extremity

    Also known as:

    • Heart Failure
    • Congestive Heart Failure
    • CHF
    • Cardiac Insufficiency

    ICD-10 Codes:

    • I509: Heart failure, unspecified

    Also known as:

    • Other Abnormal Heart Test Results
    • Heart Disease
    • Irregular Cardiovascular Function Study
    • Unusual Heart Exam Findings
    • Heart Disease Diagnosis

    ICD-10 Codes:

    • R9439: Abnormal result of other cardiovascular function study

    Also known as:

    • Cardiomyopathy
    • Heart Muscle Disease
    • Enlarged Heart

    ICD-10 Codes:

    • I429: Cardiomyopathy, unspecified

    Also known as:

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

    ICD-10 Codes:

    • R0600: Dyspnea, unspecified

    Also known as:

    • Other Soft Tissue Disorder
    • Connective Tissue Disorder
    • Muscle Disorder
    • Muscle and connective tissue problems
    • Uncommon soft tissue conditions
    • Various soft tissue ailments

    ICD-10 Codes:

    • M7989: Other specified soft tissue disorders

    Also known as:

    • High Cholesterol
    • Cholesterol
    • Triglycerides
    • Hyperlipidemia
    • High lipids
    • Dyslipidemia

    ICD-10 Codes:

    • E785: Hyperlipidemia, unspecified

    Also known as:

    • Chronic Venous Insufficiency
    • Vascular Disease
    • CVI
    • Venous Reflux Disease
    • Leg Vein Incompetence
    • Peripheral Venous Insufficiency

    ICD-10 Codes:

    • I872: Venous insufficiency (chronic) (peripheral)

    Also known as:

    • Heart Attack (NSTEMI)
    • Heart Attack
    • Myocardial Infarction
    • Non-STEMI
    • Less Severe Heart Attack

    ICD-10 Codes:

    • I214: Non-ST elevation (NSTEMI) myocardial infarction

    Which procedures does Dr. Johnston-Cox perform as a Cardiologist?

    As a Cardiologist, procedures performed by a Dr. Hillary Johnston-Cox may include:

    For detailed information, please contact Dr. Johnston-Cox's office.

    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

    • Centers Plan for Healthy Living

    • Corporate Services

    • CVS Health (formerly Aetna)

    • Elderplan

    • Express Scripts

    • Medicare

    • Service Employees International Union (SEIU)

    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

    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. 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. Contact Dr. Johnston-Cox to book an appointment today.

    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 which is a Castle Connolly Top Hospital. 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

    Where can I learn more about Cardiologist?

    Explore Cardiologist with 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.

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