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Dr. Mary Hannan, MD

Washington, DC

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Hannan, Internist in Washington, DC?

    Dr. Mary Hannan, MD is an Internist, who primarily practices in Washington, DC with 2 additional practice locations. She is board certified. Dr. Hannan is fluent in English, and is currently seeing new patients. Dr. Hannan’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Hannan’s office at (202) 745-8000.

    What languages does Dr. Hannan speak?

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

    • English

    What conditions does Dr. Hannan treat?

    As a Internist, Dr. Hannan 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. Hannan. 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:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • Immunization Visit
    • Vaccines
    • Vaccination appointment
    • Shot visit
    • Immunization encounter

    ICD-10 Codes:

    • Z23: Encounter for immunization

    Also known as:

    • Type 2 Diabetes
    • Diabetes Type 2
    • Type 2 diabetes
    • Diabetes Mellitus Type 2
    • Adult-Onset Diabetes
    • Non-Insulin Dependent Diabetes

    ICD-10 Codes:

    • E119: Type 2 diabetes mellitus without complications

    Also known as:

    • Low Back Pain
    • Back Pain
    • Lumbago
    • Lower Back Ache
    • Backache

    ICD-10 Codes:

    • M5450: Low back pain, unspecified

    Also known as:

    • Mammogram for Breast Cancer Screening
    • Health Screening
    • Mammography
    • Breast Cancer Screening (PDQ®)
    • Mammograms
    • Breast X-ray
    • Breast Cancer Check

    ICD-10 Codes:

    • Z1231: Encounter for screening mammogram for malignant neoplasm of breast

    Also known as:

    • General Counseling Services
    • Personal Counseling
    • Life Coaching
    • Support Services

    ICD-10 Codes:

    • Z7189: Other specified counseling

    Also known as:

    • Routine Adult Health Checkup
    • Health Checkup
    • Adult physical exam
    • Annual wellness visit for adults
    • General adult medical exam

    ICD-10 Codes:

    • Z0000: Encounter for general adult medical examination without abnormal findings

    Which procedures does Dr. Hannan perform as a Internist?

    As a Internist, procedures performed by an Dr. Mary Hannan may include:

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

    Does Dr. Hannan accept my insurance?

    Dr. Hannan accepts most major insurance plans. Important: Please call our office at (202) 745-8000 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Hannan accept in Washington, DC?

    Dr. Hannan in Washington, DC accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Carefirst BlueCross BlueShield

    • CVS Health (formerly Aetna)

    • Department of Veterans Affairs

    • Express Scripts

    • Johns Hopkins

    • Medicare

    • State of Arkansas

    • State of Tennessee

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Hannan's office located?

    Dr. Mary Hannan's Primary Practice

    50 Irving St NW

    Washington, DC 20422

    (202) 745-8000

    Get Directions

    Dr. Mary Hannan's Practice 2

    15 Parkman St Bldg 5

    Boston, MA 02114

    Get Directions

    Dr. Mary Hannan's Practice 3

    50 Staniford St Fl 9

    Boston, MA 02114

    (617) 724-6610

    Get Directions

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

    Dr. Hannan's National Provider Identifier (NPI) number is 1851787824.

    What common questions do patients ask about Dr. Hannan?

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

    What is Dr. Mary Hannan's specialty?

    Dr. Hannan is a Internist near Washington, DC.

    A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

    Contact Dr. Hannan to book an appointment today.

    Is this Dr. Mary Hannan affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Hannan is affiliated with Sentara Northern Virginia Medical Center, MedStar Washington Hospital Center, Inova Fairfax Medical Campus 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 Internist?

    Explore Internist 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 Mary Hannan accepting new patients in Washington, DC?

    Yes, Dr. Mary Hannan is accepting new patients at this time.

    Does Dr. Mary Hannan offer online booking?

    Please contact Dr. Hannan's office at (202) 745-8000 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Mary Hannan?

    Please contact Dr. Hannan's office at (202) 745-8000 for information regarding telehealth appointment availability or for scheduling assistance.

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