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Dr. Diana Hennessy, MD

Columbus, OH

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Hennessy, Internist in Columbus, OH?

    Dr. Diana Hennessy, MD is an Internist, who primarily practices in Columbus, OH with 2 additional practice locations. She is board certified. Dr. Hennessy graduated from University of Louisville School of Medicine and completed her residency at Ohio State University Hospital Program. Dr. Hennessy is fluent in English, and is currently seeing new patients. Dr. Hennessy’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Hennessy’s office at (614) 255-6900.

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

    • Residency: Ohio State University Hospital Program

    • Medical School: University of Louisville School of Medicine

    What languages does Dr. Hennessy speak?

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

    • English

    What conditions does Dr. Hennessy treat?

    As a Internist, Dr. Hennessy 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. Hennessy. 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:

    • Sepsis
    • Blood Poisoning
    • Septicemia
    • Systemic Bacterial Infection

    ICD-10 Codes:

    • A419: Sepsis, unspecified organism

    Also known as:

    • Acute Respiratory Failure with Low Oxygen
    • Respiratory Failure
    • Sudden lung failure with low oxygen
    • Hypoxic respiratory failure
    • Acute breathing failure with hypoxia

    ICD-10 Codes:

    • J9601: Acute respiratory failure with hypoxia

    Also known as:

    • Other Pre-Procedure Examination
    • Various pre-op checks
    • Miscellaneous pre-surgery exams
    • Other pre-treatment assessments

    ICD-10 Codes:

    • Z01818: Encounter for other preprocedural examination

    Also known as:

    • Acute Kidney Failure
    • Kidney Failure
    • Acute Renal Failure
    • Sudden Kidney Failure

    ICD-10 Codes:

    • N179: Acute kidney failure, unspecified

    Also known as:

    • Pneumonia
    • Lung Infection
    • Chest Infection
    • Pneumonitis

    ICD-10 Codes:

    • J189: Pneumonia, unspecified organism

    Which procedures does Dr. Hennessy perform as a Internist?

    As a Internist, procedures performed by an Dr. Diana Hennessy may include:

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

    Does Dr. Hennessy accept my insurance?

    Dr. Hennessy accepts most major insurance plans. Important: Please call our office at (614) 255-6900 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Hennessy accept in Columbus, OH?

    Dr. Hennessy in Columbus, OH accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • CareSource

    • Continental Benefits

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Humana

    • Medicare

    • Molina

    • Oscar Health Insurance Co

    • State of Ohio

    View All Insurances

    Where is Dr. Hennessy's office located?

    Dr. Diana Hennessy's Primary Practice

    4895 Olentangy River Rd

    Columbus, OH 43214

    (614) 255-6900

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    Dr. Diana Hennessy's Practice 2

    410 W 10th Ave

    Columbus, OH 43210

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    Dr. Diana Hennessy's Practice 3

    770 Jasonway Ave Ste G2

    Columbus, OH 43214

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

    Dr. Hennessy's National Provider Identifier (NPI) number is 1275852618.

    What common questions do patients ask about Dr. Hennessy?

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

    What is Dr. Diana Hennessy's specialty?

    Dr. Hennessy is a Internist near Columbus, OH.

    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. Hennessy to book an appointment today.

    Is this Dr. Diana Hennessy affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Hennessy is affiliated with Mount Carmel St. Ann's 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 Diana Hennessy accepting new patients in Columbus, OH?

    Yes, Dr. Diana Hennessy is accepting new patients at this time.

    Does Dr. Diana Hennessy offer online booking?

    Please contact Dr. Hennessy's office at (614) 255-6900 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Diana Hennessy?

    Please contact Dr. Hennessy's office at (614) 255-6900 for information regarding telehealth appointment availability or for scheduling assistance.

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