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Dr. Guilherme Marmontel Nasi, MD

Dover, NH

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Marmontel Nasi, Advanced Heart Failure and Transplant Cardiologist in Dover, NH?

    Dr. Guilherme Marmontel Nasi, MD is an Advanced Heart Failure and Transplant Cardiologist, who primarily practices in Dover, NH with 2 additional practice locations. He is board certified. Dr. Marmontel Nasi is fluent in English, Portuguese, and Spanish, and is currently seeing new patients. Dr. Marmontel Nasi’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Marmontel Nasi’s office at (603) 516-4265.

    What languages does Dr. Marmontel Nasi speak?

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

    • English

    • Portuguese

    • Spanish

    What conditions does Dr. Marmontel Nasi treat?

    As a Advanced Heart Failure and Transplant Cardiologist, Dr. Marmontel Nasi 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. Marmontel Nasi. 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
    • Heart Palpitations
    • Fast Heartbeat
    • Arrhythmia
    • Afib
    • A-fib
    • Irregular heart rhythm
    • Skipped Heartbeat
    • Fluttering Heart
    • Pounding Heart
    • Tachycardia
    • Rapid heart rate
    • Racing heart

    ICD-10 Codes:

    • I480: Paroxysmal atrial fibrillation
    • R002: Palpitations
    • R000: Tachycardia, unspecified

    Also known as:

    • Chronic Systolic Heart Failure
    • Chronic Diastolic Heart Failure
    • Heart Failure
    • Long-term Systolic Heart Failure
    • Chronic HFrEF
    • Ongoing Pumping Heart Failure
    • Long-term Diastolic Heart Failure
    • Chronic HFpEF
    • Ongoing Filling Heart Failure

    ICD-10 Codes:

    • I5022: Chronic systolic (congestive) heart failure
    • I5032: Chronic diastolic (congestive) heart failure

    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:

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

    ICD-10 Codes:

    • R079: Chest pain, unspecified

    Also known as:

    • Iron Deficiency
    • Iron
    • Malnutrition
    • Lack of Iron
    • Low Iron Levels
    • Iron Depletion

    ICD-10 Codes:

    • E611: Iron deficiency

    Which procedures does Dr. Marmontel Nasi perform as a Advanced Heart Failure and Transplant Cardiologist?

    As a Advanced Heart Failure and Transplant Cardiologist, procedures performed by an Dr. Guilherme Marmontel Nasi may include:

    For detailed information, please contact Dr. Marmontel Nasi's office.

    Does Dr. Marmontel Nasi accept my insurance?

    Dr. Marmontel Nasi accepts most major insurance plans. Important: Please call our office at (603) 516-4265 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Marmontel Nasi accept in Dover, NH?

    Dr. Marmontel Nasi in Dover, NH 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

    • Blue Cross Blue Shield of Michigan

    • BlueCross and BlueShield of Vermont

    • CVS Health (formerly Aetna)

    • Express Scripts

    • Martin's Point

    • Medicare

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Marmontel Nasi's office located?

    Dr. Guilherme Marmontel Nasi's Primary Practice

    19 Old Rollinsford Rd Bldg B

    Dover, NH 03820

    (603) 516-4265

    Get Directions

    Dr. Guilherme Marmontel Nasi's Practice 2

    67 Corporate Dr Fl 2

    Portsmouth, NH 03801

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    Dr. Guilherme Marmontel Nasi's Practice 3

    72 E Concord St Rm 703B

    Boston, MA 02118

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

    Dr. Marmontel Nasi's National Provider Identifier (NPI) number is 1639526825.

    What common questions do patients ask about Dr. Marmontel Nasi?

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

    What is Dr. Guilherme Marmontel Nasi's specialty?

    Dr. Marmontel Nasi is a Advanced Heart Failure and Transplant Cardiologist near Dover, NH. 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. Contact Dr. Marmontel Nasi to book an appointment today.

    Is this Dr. Guilherme Marmontel Nasi affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Marmontel Nasi is affiliated with Wentworth-Douglass 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 Advanced Heart Failure and Transplant Cardiologist?

    Explore Advanced Heart Failure and Transplant 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 Guilherme Marmontel Nasi accepting new patients in Dover, NH?

    Yes, Dr. Guilherme Marmontel Nasi is accepting new patients at this time.

    Does Dr. Guilherme Marmontel Nasi offer online booking?

    Please contact Dr. Marmontel Nasi's office at (603) 516-4265 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Guilherme Marmontel Nasi?

    Please contact Dr. Marmontel Nasi's office at (603) 516-4265 for information regarding telehealth appointment availability or for scheduling assistance.

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