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Dr. Thomas O'halloran

Cambridge, MA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. O'halloran, Cardiologist in Cambridge, MA?

    Dr. Thomas O'halloran is a Cardiologist, who primarily practices in Cambridge, MA with 2 additional practice locations. He is board certified. Dr. O'halloran is fluent in English and Spanish, and is currently seeing new patients. Dr. O'halloran’s practice accepts Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. O'halloran’s office.

    What languages does Dr. O'halloran speak?

    Dr. O'halloran and their clinical team can communicate with patients in the following languages:

    • English

    • Spanish

    What conditions does Dr. O'halloran treat?

    As a Cardiologist, Dr. O'halloran 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. O'halloran. 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:

    • Atrial Fibrillation
    • Slow Heart Rate
    • Fast Heartbeat
    • Other Heart Rhythm Disorder
    • Heart Palpitations
    • Right Bundle Branch Block
    • Arrhythmia
    • Supraventricular Tachycardia
    • Afib
    • A-fib
    • Irregular heart rhythm
    • Bradycardia
    • Slow Pulse
    • Low Heart Rate
    • Tachycardia
    • Rapid heart rate
    • Racing heart
    • Cardiac Dysrhythmia
    • Irregular Heartbeat
    • Heart Rhythm Problems
    • Skipped Heartbeat
    • Fluttering Heart
    • Pounding Heart
    • RBBB
    • Right Heart Block
    • Irregular heartbeat
    • Heart rhythm disorder
    • Cardiac dysrhythmia
    • SVT
    • Fast heart rate
    • Rapid heartbeat

    ICD-10 Codes:

    • I480: Paroxysmal atrial fibrillation
    • I4891: Unspecified atrial fibrillation
    • R001: Bradycardia, unspecified
    • R000: Tachycardia, unspecified
    • I498: Other specified cardiac arrhythmias
    • R002: Palpitations
    • I4510: Unspecified right bundle-branch block
    • I499: Cardiac arrhythmia, unspecified
    • I4710: Supraventricular tachycardia, unspecified

    Also known as:

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

    ICD-10 Codes:

    • I340: Nonrheumatic mitral (valve) insufficiency
    • I351: Nonrheumatic aortic (valve) insufficiency
    • I350: Nonrheumatic aortic (valve) stenosis

    Also known as:

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

    ICD-10 Codes:

    • R079: Chest pain, unspecified

    Also known as:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    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:

    • 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
    • Difficulty breathing
    • Breathlessness
    • Dyspnea

    ICD-10 Codes:

    • R0602: Shortness of breath

    Also known as:

    • Fainting
    • Syncope
    • Passing out
    • Collapse

    ICD-10 Codes:

    • R55: Syncope and collapse

    Also known as:

    • Abdominal Pain
    • Stomach Ache
    • Belly Pain
    • Stomach Pain

    ICD-10 Codes:

    • R109: Unspecified abdominal pain

    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. O'halloran perform as a Cardiologist?

    As a Cardiologist, procedures performed by a Dr. Thomas O'halloran may include:

    For detailed information, please contact Dr. O'halloran's office.

    Does Dr. O'halloran accept my insurance?

    Dr. O'halloran accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. O'halloran accept in Cambridge, MA?

    Dr. O'halloran in Cambridge, MA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Blue Cross Blue Shield of Massachusetts

    • Boston Medical Center

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Express Scripts

    • Medicare

    • Point32Health

    • State of Massachusetts

    • UnitedHealthcare

    View All Insurances

    Where is Dr. O'halloran's office located?

    Dr. Thomas O'halloran's Primary Practice

    725 Concord Ave Ste 3200

    Cambridge, MA 02138

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    Dr. Thomas O'halloran's Practice 2

    330 Mount Auburn St

    Cambridge, MA 02138

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    Dr. Thomas O'halloran's Practice 3

    330 Brookline Ave Ste SHAPIRO7

    Boston, MA 02215

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

    Dr. O'halloran's National Provider Identifier (NPI) number is 1922101294.

    What common questions do patients ask about Dr. O'halloran?

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

    What is Dr. Thomas O'halloran's specialty?

    Dr. O'halloran is a Cardiologist near Cambridge, MA. 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. O'halloran to book an appointment today.

    Is this Dr. Thomas O'halloran affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. O'halloran is affiliated with Mount Auburn Hospital, York Hospital, White Plains 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 Thomas O'halloran accepting new patients in Cambridge, MA?

    Yes, Dr. Thomas O'halloran is accepting new patients at this time.

    Does Dr. Thomas O'halloran offer online booking?

    Please contact Dr. O'halloran's office for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Thomas O'halloran?

    Please contact Dr. O'halloran's office for information regarding telehealth appointment availability or for scheduling assistance.

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