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Dr. Lee Demertzis, MD

Critical Care Internist, Pulmonologist

Saint Louis, MO

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Demertzis, Critical Care Internist in Saint Louis, MO?

    Dr. Lee Demertzis, MD is a Critical Care Internist, who primarily practices in Saint Louis, MO with 2 additional practice locations. He is board certified. Dr. Demertzis is fluent in English, and is currently seeing new patients. Dr. Demertzis’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Demertzis’s office at (314) 525-4137.

    Is Dr. Demertzis board certified as a Critical Care Internist?

    Yes, Dr. Lee Demertzis, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Demertzis speak?

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

    • English

    What conditions does a Critical Care Internist like Dr. Demertzis typically treat?

    As a Critical Care Internist, Dr. Demertzis 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. Demertzis. 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. Learn more about our claims-based healthcare methodology.

    Also known as:

    • Ischemic Stroke
    • Brain Attack
    • Cerebral Infarction
    • Brain Ischemia

    ICD-10 Codes:

    • I639: Cerebral infarction, unspecified

    Also known as:

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

    ICD-10 Codes:

    • J9600: Acute respiratory failure, unspecified whether with hypoxia or hypercapnia
    • J9601: Acute respiratory failure with hypoxia

    Also known as:

    • Sepsis
    • Blood Poisoning
    • Septicemia
    • Systemic Bacterial Infection

    ICD-10 Codes:

    • A419: Sepsis, unspecified organism

    Also known as:

    • Sudden Cardiac Arrest
    • Heart stops beating
    • Cardiopulmonary arrest

    ICD-10 Codes:

    • I469: Cardiac arrest, cause unspecified

    What procedures does a Critical Care Internist like Dr. Demertzis typically perform?

    As a Critical Care Internist, procedures performed by Dr. Lee Demertzis may include:

    Please contact Dr. Demertzis' office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.

    Does Dr. Demertzis accept my insurance?

    Dr. Demertzis accepts most major insurance plans. Important: Please call our office at (314) 525-4137 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Demertzis accept in Saint Louis, MO?

    Dr. Demertzis in Saint Louis, MO accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Blue Cross Blue Shield of Michigan

    • Medicare

    • Other Provider Networks

    View All Insurances

    Where is Dr. Demertzis' office located?

    Dr. Lee Demertzis' Primary Practice

    10010 Kennerly Rd

    Saint Louis, MO 63128

    (314) 525-4137

    Get Directions

    Dr. Lee Demertzis' Practice 2

    300 1st Capitol Dr

    Saint Charles, MO 63301

    Get Directions

    Dr. Lee Demertzis' Practice 3

    10 Hospital Dr

    Saint Peters, MO 63376

    Get Directions

    What hospitals are Dr. Demertzis affiliated with?

    CastleConnolyTopDoctors

    Castle Connolly Top Hospital

    This doctor is affiliated with a Castle Connolly Top Hospital.

    Dr. Demertzis has admitting privileges at the following hospitals:

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

    Dr. Demertzis's National Provider Identifier (NPI) number is 1831298827.

    What common questions do patients ask about Dr. Demertzis?

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

    What is Dr. Lee Demertzis's specialty?

    Dr. Demertzis is a Critical Care Internist near Saint Louis, MO.

    What does a Critical Care Internist do?

    An internist specializing in the diagnosis, treatment, and support of patients with multiple organ dysfunction. This specialist may hold administrative responsibilities within intensive care units and plays a key role in facilitating and coordinating patient care among primary physicians, critical care staff, and other specialists.

    Is Dr. Lee Demertzis affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Demertzis is affiliated with Mercy Hospital South 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

    When to see a Critical Care Internist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a Critical Care Internist. Explore 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 Dr. Lee Demertzis accepting new patients in Saint Louis, MO?

    Yes, Dr. Lee Demertzis is accepting new patients at this time.

    Does Dr. Lee Demertzis offer online booking?

    Please contact Dr. Demertzis' office at (314) 525-4137 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dr. Lee Demertzis?

    Please contact Dr. Demertzis' office at (314) 525-4137 to schedule an appointment.

    Where is Dr. Demertzis' office located?

    Dr. Demertzis' offices are located in Saint Louis, MO, Saint Charles, MO, and Saint Peters, MO.

    Which board certifications does Dr. Lee Demertzis have?

    Dr. Lee Demertzis is certified by the American Board of Internal Medicine.