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Dr. Gail O'brien, MD

Boston, MA

30 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. O'brien, Internist in Boston, MA?

    Dr. Gail O'brien, MD is an Internist, who primarily practices in Boston, MA with 2 additional practice locations. She has been practicing for over 30 years and is board certified. Dr. O'brien completed her residency at Miami Valley Hospital Wright State University School Med. Dr. O'brien is fluent in English, Portuguese, Russian, and Spanish, and is currently seeing new patients. To book an appointment or to confirm insurance options, please call Dr. O'brien’s office at (781) 372-7100.

    Where did Dr. O'brien go to medical school and complete their residency?

    • Residency: Miami Valley Hospital Wright State University School Med

    What languages does Dr. O'brien speak?

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

    • English

    • Portuguese

    • Russian

    • Spanish

    What conditions does Dr. O'brien treat?

    As a Internist, Dr. O'brien 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'brien. 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:

    • Severe Obesity
    • Obesity from Excess Calories
    • Obesity
    • Overweight
    • Helping Your Child Who Is Overweight
    • Take Charge of Your Health: A Guide for Teenagers
    • Understanding Adult Overweight & Obesity
    • Body Weight
    • Morbid Obesity
    • Extreme Obesity
    • Class 3 Obesity
    • Diet-Related Obesity
    • Common Obesity
    • Nutritional Obesity
    • Excess Weight
    • Being Overweight
    • High BMI
    • High BMI (Overweight)
    • Pre-Obesity

    ICD-10 Codes:

    • E6601: Morbid (severe) obesity due to excess calories
    • E6609: Other obesity due to excess calories
    • E669: Obesity, unspecified
    • E663: Overweight

    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

    Which procedures does Dr. O'brien perform as a Internist?

    As a Internist, procedures performed by an Dr. Gail O'brien may include:

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

    Does Dr. O'brien accept my insurance?

    Dr. O'brien accepts most major insurance plans. Important: Please call our office at (781) 372-7100 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. O'brien accept in Boston, MA?

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

    Top Insurances

    • Express Scripts

    • State of Tennessee

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

    Dr. Gail O'brien's Primary Practice

    55 Fruit St

    Boston, MA 02114

    (781) 372-7100

    Get Directions

    Dr. Gail O'brien's Practice 2

    1 Hospital Rd

    Oak Bluffs, MA 02557

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    Dr. Gail O'brien's Practice 3

    50 Staniford St Ste 430

    Boston, MA 02114

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

    Dr. O'brien's National Provider Identifier (NPI) number is 1548236466.

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

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

    What is Dr. Gail O'brien's specialty?

    Dr. O'brien is a Internist near Boston, MA.

    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. O'brien to book an appointment today.

    Is this Dr. Gail O'brien affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. O'brien is affiliated with Brigham and Women's 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 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 Gail O'brien accepting new patients in Boston, MA?

    Yes, Dr. Gail O'brien is accepting new patients at this time.

    Does Dr. Gail O'brien offer online booking?

    Please contact Dr. O'brien's office at (781) 372-7100 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Gail O'brien?

    Please contact Dr. O'brien's office at (781) 372-7100 for information regarding telehealth appointment availability or for scheduling assistance.

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