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Dr. Casey Hollensteiner, MD

O Fallon, IL

Accepting patients

    Who is Dr. Hollensteiner, Emergency Medicine Specialist in O Fallon, IL?

    Dr. Casey Hollensteiner, MD is an Emergency Medicine Specialist, who primarily practices in O Fallon, IL with 1 additional practice location. Dr. Hollensteiner graduated from Southern Illinois Univ School of Medicine. Dr. Hollensteiner is fluent in English, and is currently seeing new patients. Dr. Hollensteiner’s practice accepts UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Hollensteiner’s office at (618) 624-3750.

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

    • Medical School: Southern Illinois University At Edwardsville | Southern Illinois Univ School of Medicine

    What languages does Dr. Hollensteiner speak?

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

    • English

    What conditions does Dr. Hollensteiner treat?

    As an Emergency Medicine Specialist, Dr. Hollensteiner 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. Hollensteiner. 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:

    • Sinusitis
    • Sinus Infection
    • Rhinosinusitis
    • Acute Sinus Infection

    ICD-10 Codes:

    • J0190: Acute sinusitis, unspecified

    Which procedures does Dr. Hollensteiner perform as an Emergency Medicine Specialist?

    As an Emergency Medicine Specialist, procedures performed by Dr. Casey Hollensteiner may include:

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

    Does Dr. Hollensteiner accept my insurance?

    Dr. Hollensteiner accepts most major insurance plans. Important: Please call our office at (618) 624-3750 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Hollensteiner accept in O Fallon, IL?

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

    Top Insurances

    • Department of Veterans Affairs

    • MagnaCare Rx

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Hollensteiner's office located?

    Dr. Casey Hollensteiner's Primary Practice

    1512 N Green Mount Rd

    O Fallon, IL 62269

    (618) 624-3750

    Get Directions

    Dr. Casey Hollensteiner's Practice 2

    4500 Memorial Dr

    Belleville, IL 62226

    Get Directions

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

    Dr. Hollensteiner's National Provider Identifier (NPI) number is 1750517850.

    What common questions do patients ask about Dr. Hollensteiner?

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

    What is Dr. Casey Hollensteiner's specialty?

    Dr. Hollensteiner is a Emergency Medicine Specialist near O Fallon, IL. An emergency physician is dedicated to making prompt decision and taking necessary actions essential for preventing death or additional disabilities. This role encompasses guiding emergency medical technicians in pre-hospital environments as well as providing care within the emergency department. The emergency physician is responsible for the immediate identification, evaluation, treatment, stabilization, and arrangement of a diverse array of adult and pediatric patients facing acute illnesses and injuries. Contact Dr. Hollensteiner to book an appointment today.

    Is this Dr. Casey Hollensteiner affiliated with a ranked Castle Connolly Top Hospital?

    No, Hollensteiner is not affiliated with a Castle Connolly Top Hospital. Castle Connolly Top Hospitals 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 Emergency Medicine Specialist?

    Explore Emergency Medicine 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 Casey Hollensteiner accepting new patients in O Fallon, IL?

    Yes, Dr. Casey Hollensteiner is accepting new patients at this time.

    Does Dr. Casey Hollensteiner offer online booking?

    Please contact Dr. Hollensteiner's office at (618) 624-3750 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Casey Hollensteiner?

    Please contact Dr. Hollensteiner's office at (618) 624-3750 for information regarding telehealth appointment availability or for scheduling assistance.

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