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Dr. Dara Grennan

Dixon, IL

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Grennan, Infectious Disease Specialist in Dixon, IL?

    Dr. Dara Grennan is an Infectious Disease Specialist, who primarily practices in Dixon, IL with 2 additional practice locations. Dr. Grennan is fluent in English, and is currently seeing new patients. Dr. Grennan’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Grennan’s office.

    What languages does Dr. Grennan speak?

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

    • English

    What conditions does Dr. Grennan treat?

    As an Infectious Disease Specialist, Dr. Grennan 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. Grennan. 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:

    • HIV
    • Human Immunodeficiency Virus
    • AIDS virus

    ICD-10 Codes:

    • B20: Human immunodeficiency virus [HIV] disease

    Which procedures does Dr. Grennan perform as an Infectious Disease Specialist?

    Does Dr. Grennan accept my insurance?

    Dr. Grennan accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Grennan accept in Dixon, IL?

    Dr. Grennan in Dixon, IL accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Centene

    • CVS Health (formerly Aetna)

    • Express Scripts

    • Medicare

    • Molina

    • State of Illinois

    • State of Nevada

    • State of Tennessee

    • Tria Health

    • UnitedHealthcare

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    Where is Dr. Grennan's office located?

    Dr. Dara Grennan's Primary Practice

    403 E 1st St

    Dixon, IL 61021

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    Dr. Dara Grennan's Practice 2

    1000 N Westmoreland Rd

    Lake Forest, IL 60045

    (847) 234-5600

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    Dr. Dara Grennan's Practice 3

    2650 Ridge Ave Ste 1155

    Evanston, IL 60201

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

    Dr. Grennan's National Provider Identifier (NPI) number is 1518282938.

    What common questions do patients ask about Dr. Grennan?

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

    What is Dr. Dara Grennan's specialty?

    Dr. Grennan is a Infectious Disease Specialist near Dixon, IL.

    An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

    Contact Dr. Grennan to book an appointment today.

    Is this Dr. Dara Grennan affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Grennan is affiliated with Northwestern Medicine Lake Forest Hospital, Endeavor Health Evanston Hospital 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 Infectious Disease Specialist?

    Explore Infectious Disease Specialist 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 Dara Grennan accepting new patients in Dixon, IL?

    Yes, Dr. Dara Grennan is accepting new patients at this time.

    Does Dr. Dara Grennan offer online booking?

    Please contact Dr. Grennan's office for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dara Grennan?

    Please contact Dr. Grennan's office for information regarding telehealth appointment availability or for scheduling assistance.

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