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Dr. Sean Mcmahon, MD

Cardiologist, Internist

Hartford, CT

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Mcmahon, Cardiologist in Hartford, CT?

    Dr. Sean Mcmahon, MD is a Cardiologist, who primarily practices in Hartford, CT with 1 additional practice location. Dr. Mcmahon graduated from University of Vermont, College of Medicine, Burlington. Dr. Mcmahon is fluent in English, and is currently seeing new patients. Dr. Mcmahon’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Mcmahon’s office at (860) 972-2976.

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

    • Medical School: University of Vermont, College of Medicine, Burlington

    What languages does Dr. Mcmahon speak?

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

    • English

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

    As a Cardiologist, Dr. Mcmahon 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. Mcmahon. 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.

    Also known as:

    • Narrowed Aortic Valve
    • Heart Valve Disease
    • Aortic Valve Stenosis
    • Tight Aortic Valve

    ICD-10 Codes:

    • I350: Nonrheumatic aortic (valve) stenosis

    Also known as:

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

    ICD-10 Codes:

    • I509: Heart failure, unspecified

    Also known as:

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

    ICD-10 Codes:

    • R079: Chest pain, unspecified

    Also known as:

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

    ICD-10 Codes:

    • R0602: Shortness of breath

    Also known as:

    • Atrial Fibrillation
    • Afib
    • A-fib
    • Irregular heart rhythm

    ICD-10 Codes:

    • I4891: Unspecified atrial fibrillation

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

    As a Cardiologist, procedures performed by Dr. Sean Mcmahon may include:

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

    Does Dr. Mcmahon accept my insurance?

    Dr. Mcmahon accepts most major insurance plans. Important: Please call our office at (860) 972-2976 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Mcmahon accept in Hartford, CT?

    Dr. Mcmahon in Hartford, CT accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Centene Corporation

    • Cigna Group

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • EmblemHealth

    • Federal government of the United States

    • Medicare

    • Point32Health

    • State of Connecticut

    • UnitedHealth Group

    View All Insurances

    Where is Dr. Mcmahon's office located?

    Dr. Sean Mcmahon's Primary Practice

    80 Seymour St

    Hartford, CT 06106

    (860) 972-2976

    Get Directions

    Dr. Sean Mcmahon's Practice 2

    11 South Rd Ste 100

    Farmington, CT 06032

    Get Directions

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

    Dr. Mcmahon's National Provider Identifier (NPI) number is 1295050169.

    What common questions do patients ask about Dr. Mcmahon?

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

    What is Dr. Sean Mcmahon's specialty?

    Dr. Mcmahon is a Cardiologist near Hartford, CT.

    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 Dr. Sean Mcmahon affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Mcmahon is affiliated with William W. Backus Hospital, The Hospital Of Central Connecticut - New Britain General Campus, Hartford Healthcare Manchester Memorial Hospital, Midstate Medical Center, Cheshire Medical Center 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 Dr. Sean Mcmahon accepting new patients in Hartford, CT?

    Yes, Dr. Sean Mcmahon is accepting new patients at this time.

    Does Dr. Sean Mcmahon offer online booking?

    Please contact Dr. Mcmahon's office at (860) 972-2976 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dr. Sean Mcmahon?

    Please contact Dr. Mcmahon's office at (860) 972-2976 to schedule an appointment.

    Where is Dr. Mcmahon's office located?

    Dr. Mcmahon's offices are located in Hartford, CT and Farmington, CT.