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Dr. Leo Hsu, MD

O Fallon, MO

Accepting patients
Telehealth

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Hsu, Emergency Medicine Specialist in O Fallon, MO?

    Dr. Leo Hsu, MD is an Emergency Medicine Specialist, who primarily practices in O Fallon, MO with 2 additional practice locations. He is board certified by the American Board of Emergency Medicine. Dr. Hsu graduated from Saint Louis University School of Medicine. Dr. Hsu is fluent in English, and is currently seeing new patients. Dr. Hsu’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Hsu’s office at (866) 916-5259.

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

    • Medical School: Saint Louis University School of Medicine

    Is Dr. Hsu board certified in Emergency Medicine Specialist?

    Yes, Dr. Leo Hsu, MD is board certified by the American Board of Emergency Medicine

    What languages does Dr. Hsu speak?

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

    • English

    What conditions does Dr. Hsu treat?

    As a Emergency Medicine Specialist, Dr. Hsu 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. Hsu. 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:

    • Abdominal Pain
    • Stomach Ache
    • Belly Pain
    • Stomach Pain

    ICD-10 Codes:

    • R109: Unspecified abdominal pain

    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

    Also known as:

    • Chest Pain
    • Chest discomfort
    • Thoracic pain
    • Pectoral pain

    ICD-10 Codes:

    • R0789: Other chest pain

    Also known as:

    • Head Injury
    • Head Injuries
    • Head Trauma
    • Cranial Injury
    • Brain Injury

    ICD-10 Codes:

    • S0990XA: Unspecified injury of head, initial encounter

    Also known as:

    • Chest Pain
    • Chest discomfort
    • Thoracic pain
    • Upper body pain

    ICD-10 Codes:

    • R079: Chest pain, unspecified

    Also known as:

    • Nausea and Vomiting
    • Feeling Sick and Throwing Up
    • Stomach Flu Symptoms
    • Queasy and Vomiting

    ICD-10 Codes:

    • R112: Nausea with vomiting, unspecified

    Also known as:

    • Urinary Tract Infection
    • UTI
    • Bladder infection
    • Kidney infection
    • Urine infection

    ICD-10 Codes:

    • N390: Urinary tract infection, site not specified

    Which procedures does Dr. Hsu perform as a Emergency Medicine Specialist?

    As a Emergency Medicine Specialist, procedures performed by an Dr. Leo Hsu may include:

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

    Does Dr. Hsu accept my insurance?

    Dr. Hsu accepts most major insurance plans. Important: Please call our office at (866) 916-5259 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Hsu accept in O Fallon, MO?

    Dr. Hsu in O Fallon, MO 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)

    • Elevance Health Inc. (formerly Anthem)

    • Express Scripts

    • Health Care Service Corporation (HCSC)

    • Humana

    • Medicare

    • Oscar Health Insurance Co

    • State of Tennessee

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Hsu's office located?

    Dr. Leo Hsu also offers virtual visits

    Dr. Leo Hsu's Primary Practice

    2 Progress Point Pkwy

    O Fallon, MO 63368

    (866) 916-5259

    Get Directions

    Dr. Leo Hsu's Practice 2

    10 Hospital Dr

    Cottleville, MO 63376

    Get Directions

    Dr. Leo Hsu's Practice 3

    5595 Pershing Ave

    Saint Louis, MO 63112

    Get Directions

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

    Dr. Hsu's National Provider Identifier (NPI) number is 1215965702.

    What common questions do patients ask about Dr. Hsu?

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

    What is Dr. Leo Hsu's specialty?

    Dr. Hsu is a Emergency Medicine Specialist near O Fallon, MO. 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. Hsu to book an appointment today.

    Is this Dr. Leo Hsu affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Hsu is affiliated with Christian Hospital, Barnes-Jewish West County Hospital, St. Luke's Hospital - Chesterfield, MO 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 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 Leo Hsu accepting new patients in O Fallon, MO?

    Yes, Dr. Leo Hsu is accepting new patients at this time.

    Does Dr. Leo Hsu offer online booking?

    Please contact Dr. Hsu's office at (866) 916-5259 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Leo Hsu?

    Please contact Dr. Hsu's office at (866) 916-5259 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Leo Hsu have?

    Dr. Leo Hsu is certified by the American Board of Emergency Medicine.

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