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Dr. Ioannis Mastoris, MD

Advanced Heart Failure and Transplant Cardiologist, Cardiologist

Boston, MA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Mastoris, Advanced Heart Failure and Transplant Cardiologist in Boston, MA?

    Dr. Ioannis Mastoris, MD is an Advanced Heart Failure and Transplant Cardiologist, who primarily practices in Boston, MA with 2 additional practice locations. Dr. Mastoris is fluent in English, French, and Greek, Modern (1453-), and is currently seeing new patients. Dr. Mastoris’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Mastoris’s office at (617) 643-7972.

    What languages does Dr. Mastoris speak?

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

    • English
    • French
    • Greek, Modern (1453-)

    What conditions does an Advanced Heart Failure and Transplant Cardiologist like Dr. Mastoris typically treat?

    As an Advanced Heart Failure and Transplant Cardiologist, Dr. Mastoris 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. Mastoris. 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:

    • Chronic Systolic Heart Failure
    • Systolic Heart Failure
    • Worsening Chronic Systolic Heart Failure
    • Heart Failure
    • Long-term Systolic Heart Failure
    • Chronic HFrEF
    • Ongoing Pumping Heart Failure
    • Heart Failure with Reduced Ejection Fraction
    • HFrEF
    • Pumping Heart Failure
    • Acute Decompensated HFrEF
    • Sudden Worsening Heart Failure
    • Acute on Chronic Pumping Heart Failure

    ICD-10 Codes:

    • I5022: Chronic systolic (congestive) heart failure
    • I5020: Unspecified systolic (congestive) heart failure
    • I5023: Acute on chronic systolic (congestive) heart failure

    Also known as:

    • Having a Heart Transplant
    • Heart Transplantation
    • Cardiac transplant
    • Heart replacement surgery
    • Post-heart transplant

    ICD-10 Codes:

    • Z941: Heart transplant status

    Also known as:

    • Having a Heart Assist Device
    • Ventricular assist device (VAD)
    • Artificial heart pump
    • Cardiac support device

    ICD-10 Codes:

    • Z95811: Presence of heart assist device

    Also known as:

    • Cardiomyopathy
    • Heart Muscle Disease
    • Enlarged Heart

    ICD-10 Codes:

    • I429: Cardiomyopathy, unspecified

    What procedures does an Advanced Heart Failure and Transplant Cardiologist like Dr. Mastoris typically perform?

    As an Advanced Heart Failure and Transplant Cardiologist, procedures performed by Dr. Ioannis Mastoris may include:

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

    Does Dr. Mastoris accept my insurance?

    Dr. Mastoris accepts most major insurance plans. Important: Please call our office at (617) 643-7972 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Mastoris accept in Boston, MA?

    Dr. Mastoris in Boston, MA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Blue Cross Blue Shield of Massachusetts

    • Cigna Group

    • Elevance Health Inc. (formerly Anthem)

    • Medicare

    • Molina Healthcare

    • UnitedHealth Group

    View All Insurances

    Where is Dr. Mastoris' office located?

    Grb 800

    55 Fruit St

    Boston, MA 02114

    (617) 643-7972

    Get Directions

    Dr. Ioannis Mastoris' Practice 2

    19 Old Rollinsford Rd Bldg B

    Dover, NH 03820

    Get Directions

    Dr. Ioannis Mastoris' Practice 3

    789 Central Ave

    Dover, NH 03820

    Get Directions

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

    Dr. Mastoris's National Provider Identifier (NPI) number is 1124403209.

    What common questions do patients ask about Dr. Mastoris?

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

    What is Dr. Ioannis Mastoris's specialty?

    Dr. Mastoris is an Advanced Heart Failure and Transplant Cardiologist near Boston, MA.

    What does an Advanced Heart Failure and Transplant Cardiologist do?

    Specialists in Advanced Heart Failure and Transplant Cardiology are involved in both inpatient and outpatient care for patients with advanced heart failure. Their expertise spans the entire continuum of care, from evaluating candidates for high-risk cardiac surgeries, cardiac transplantation, or mechanical circulatory support, to providing pre- and post-operative management for patients undergoing heart transplants and those with mechanical support devices. They also deliver end-of-life care for patients experiencing end-stage heart failure.

    Is Dr. Ioannis Mastoris affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Mastoris is affiliated with Massachusetts General Hospital, Brigham And Women's Hospital, Concord Hospital – Laconia, Concord Hospital, Umass Memorial Healthalliance Clinton Hospital - Leominster Campus, Emerson Health 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 an Advanced Heart Failure and Transplant Cardiologist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see an Advanced Heart Failure and Transplant 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. Ioannis Mastoris accepting new patients in Boston, MA?

    Yes, Dr. Ioannis Mastoris is accepting new patients at this time.

    Does Dr. Ioannis Mastoris offer online booking?

    Please contact Dr. Mastoris' office at (617) 643-7972 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dr. Ioannis Mastoris?

    Please contact Dr. Mastoris' office at (617) 643-7972 to schedule an appointment.

    Where is Dr. Mastoris' office located?

    Dr. Mastoris' offices are located in Boston, MA and Dover, NH.