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Dr. Leon Oneill, DO

Eatontown, NJ

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Oneill, Cardiologist in Eatontown, NJ?

    Dr. Leon Oneill, DO is a Cardiologist, who primarily practices in Eatontown, NJ with 2 additional practice locations. He is board certified. Dr. Oneill graduated from Philadelphia College of Osteopathic Medicine. Dr. Oneill is fluent in English, and is currently seeing new patients. Dr. Oneill’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Oneill’s office at (732) 663-0300.

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

    • Medical School: Philadelphia College of Osteopathic Medicine

    What languages does Dr. Oneill speak?

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

    • English

    What conditions does Dr. Oneill treat?

    As a Cardiologist, Dr. Oneill 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. Oneill. 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:

    • 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:

    • Atrial Fibrillation
    • Heart Palpitations
    • Arrhythmia
    • Afib
    • A-fib
    • Irregular heart rhythm
    • Skipped Heartbeat
    • Fluttering Heart
    • Pounding Heart
    • Persistent atrial fibrillation

    ICD-10 Codes:

    • I480: Paroxysmal atrial fibrillation
    • R002: Palpitations
    • I4819: Other persistent atrial fibrillation
    • I4891: Unspecified atrial fibrillation

    Also known as:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • Leaky Mitral Valve
    • Narrowed Aortic Valve
    • Tricuspid Valve Insufficiency
    • Heart Valve Disease
    • Mitral Valve Insufficiency
    • Mitral Regurgitation
    • Aortic Valve Stenosis
    • Tight Aortic Valve
    • Leaky tricuspid valve
    • Tricuspid regurgitation

    ICD-10 Codes:

    • I340: Nonrheumatic mitral (valve) insufficiency
    • I350: Nonrheumatic aortic (valve) stenosis
    • I361: Nonrheumatic tricuspid (valve) insufficiency

    Also known as:

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

    ICD-10 Codes:

    • R0609: Other forms of dyspnea
    • R0602: Shortness of breath

    Also known as:

    • Abnormal EKG
    • Heart Health Tests
    • Irregular Electrocardiogram
    • Unusual Heart Rhythm Test
    • ECG Abnormalities

    ICD-10 Codes:

    • R9431: Abnormal electrocardiogram [ECG] [EKG]

    Also known as:

    • Pre-Procedure Heart Examination
    • Pre-Surgery Cardiac Checkup
    • Heart Health Assessment (Before Procedure)
    • Cardiovascular Clearance Exam

    ICD-10 Codes:

    • Z01810: Encounter for preprocedural cardiovascular examination

    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:

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

    ICD-10 Codes:

    • R0789: Other chest pain

    Also known as:

    • Difficulty Walking
    • Walking Problems
    • Trouble Walking
    • Impaired Gait

    ICD-10 Codes:

    • R262: Difficulty in walking, not elsewhere classified

    Also known as:

    • High Cholesterol
    • Cholesterol
    • Triglycerides
    • Hyperlipidemia
    • High lipids
    • Dyslipidemia
    • Hypercholesterolemia
    • High blood cholesterol
    • Elevated cholesterol

    ICD-10 Codes:

    • E785: Hyperlipidemia, unspecified
    • E7800: Pure hypercholesterolemia, unspecified

    Also known as:

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

    ICD-10 Codes:

    • R079: Chest pain, unspecified

    Also known as:

    • Fainting
    • Syncope
    • Passing out
    • Collapse

    ICD-10 Codes:

    • R55: Syncope and collapse

    Which procedures does Dr. Oneill perform as a Cardiologist?

    As a Cardiologist, procedures performed by a Dr. Leon Oneill may include:

    For detailed information, please contact Dr. Oneill's office.

    Does Dr. Oneill accept my insurance?

    Dr. Oneill accepts most major insurance plans. Important: Please call our office at (732) 663-0300 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Oneill accept in Eatontown, NJ?

    Dr. Oneill in Eatontown, NJ accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Braven Health

    • Carepoint Health

    • CVS Health (formerly Aetna)

    • Express Scripts

    • Horizon BlueCross BlueShield

    • Humana

    • Independence Blue Cross

    • Medicare

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Oneill's office located?

    Dr. Leon Oneill's Primary Practice

    11 Meridian Rd

    Eatontown, NJ 07724

    (732) 663-0300

    Get Directions

    Dr. Leon Oneill's Practice 2

    222 Schanck Rd Ste 104

    Freehold, NJ 07728

    (732) 431-1332

    Get Directions

    Dr. Leon Oneill's Practice 3

    1945 State Route 33

    Neptune, NJ 07753

    Get Directions

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

    Dr. Oneill's National Provider Identifier (NPI) number is 1275723736.

    What common questions do patients ask about Dr. Oneill?

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

    What is Dr. Leon Oneill's specialty?

    Dr. Oneill is a Cardiologist near Eatontown, NJ. 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. Oneill to book an appointment today.

    Is this Dr. Leon Oneill affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Oneill is affiliated with Hackensack Meridian Jersey Shore University Medical Center, Centrastate Medical Center, Sentara Princess Anne 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

    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 Leon Oneill accepting new patients in Eatontown, NJ?

    Yes, Dr. Leon Oneill is accepting new patients at this time.

    Does Dr. Leon Oneill offer online booking?

    Please contact Dr. Oneill's office at (732) 663-0300 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Leon Oneill?

    Please contact Dr. Oneill's office at (732) 663-0300 for information regarding telehealth appointment availability or for scheduling assistance.

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