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Dr. Marissa Lewis, MD

Saint Louis, MO

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Lewis, Emergency Medicine Specialist in Saint Louis, MO?

    Dr. Marissa Lewis, MD is an Emergency Medicine Specialist, who primarily practices in Saint Louis, MO with 2 additional practice locations. She is board certified. Dr. Lewis is fluent in English, and is currently seeing new patients. Dr. Lewis’s practice accepts Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Lewis’s office at (314) 747-4156.

    What languages does Dr. Lewis speak?

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

    • English

    What conditions does Dr. Lewis treat?

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

    • Disorientation
    • Delirium
    • Mental Disorder
    • Confusion
    • Mental Confusion
    • Loss of Bearings

    ICD-10 Codes:

    • R410: Disorientation, unspecified

    Also known as:

    • Shortness of Breath
    • Breathing Problems
    • Difficulty breathing
    • Breathlessness
    • Dyspnea

    ICD-10 Codes:

    • R0602: Shortness of breath

    Also known as:

    • Dementia with Behavioral Changes
    • Dementia
    • Dementia with behavioral problems
    • Cognitive decline with behavior issues
    • Memory loss with personality changes
    • Cognitive decline
    • Memory loss
    • Brain disorder

    ICD-10 Codes:

    • F03918: Unspecified dementia, unspecified severity, with other behavioral disturbance
    • F0390: Unspecified dementia, unspecified severity, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety

    Also known as:

    • Generalized Muscle Weakness
    • Muscle Disorder
    • Overall Body Weakness
    • Widespread Muscle Weakness
    • Systemic Muscle Weakness

    ICD-10 Codes:

    • M6281: Muscle weakness (generalized)

    Also known as:

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

    ICD-10 Codes:

    • R0789: Other chest pain

    Also known as:

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

    ICD-10 Codes:

    • R079: Chest pain, unspecified

    Also known as:

    • Dizziness
    • Dizziness and Vertigo
    • Lightheadedness
    • Giddiness
    • Vertigo

    ICD-10 Codes:

    • R42: Dizziness and giddiness

    Also known as:

    • Anxiety Disorder
    • Anxiety
    • General Anxiety
    • Anxiety Problems
    • Nervous Disorder

    ICD-10 Codes:

    • F419: Anxiety disorder, unspecified

    Also known as:

    • Anemia
    • Low Red Blood Cell Count
    • Low Hemoglobin
    • Iron deficiency

    ICD-10 Codes:

    • D649: Anemia, unspecified

    Also known as:

    • Generalized Anxiety Disorder
    • Anxiety
    • GAD
    • Chronic Worry
    • Excessive Worry Disorder

    ICD-10 Codes:

    • F411: Generalized anxiety disorder

    Also known as:

    • Fainting
    • Syncope
    • Passing out
    • Collapse

    ICD-10 Codes:

    • R55: Syncope and collapse

    Also known as:

    • Changes in Mental State
    • Mental Disorder
    • Confusion
    • Disorientation
    • Changes in awareness

    ICD-10 Codes:

    • R4182: Altered mental status, unspecified

    Also known as:

    • Mild Cognitive Impairment
    • MCI
    • Early Memory Loss
    • Pre-Dementia

    ICD-10 Codes:

    • G3184: Mild cognitive impairment of uncertain or unknown etiology

    Also known as:

    • Sepsis
    • Blood Poisoning
    • Septicemia
    • Systemic Bacterial Infection

    ICD-10 Codes:

    • A419: Sepsis, unspecified organism

    Also known as:

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

    ICD-10 Codes:

    • R109: Unspecified abdominal pain

    Also known as:

    • Atrial Fibrillation
    • Afib
    • A-fib
    • Irregular heart rhythm

    ICD-10 Codes:

    • I4891: Unspecified atrial fibrillation

    Also known as:

    • COPD Flare-Up
    • COPD
    • COPD Exacerbation
    • Chronic Obstructive Pulmonary Disease Flare-Up
    • Worsening COPD
    • COPD Attack

    ICD-10 Codes:

    • J441: Chronic obstructive pulmonary disease with (acute) exacerbation

    Also known as:

    • Muscle Weakness
    • Muscle Disorder
    • Loss of strength
    • Fatigue
    • Muscle fatigue

    ICD-10 Codes:

    • R531: Weakness

    Also known as:

    • COVID-19
    • COVID-19 (Coronavirus Disease 2019)
    • Coronavirus Disease 2019
    • SARS-CoV-2 Infection
    • Novel Coronavirus

    ICD-10 Codes:

    • U071: COVID-19

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

    As a Emergency Medicine Specialist, procedures performed by an Dr. Marissa Lewis may include:

    For detailed information, please contact Dr. Lewis' office.

    Does Dr. Lewis accept my insurance?

    Dr. Lewis accepts most major insurance plans. Important: Please call our office at (314) 747-4156 before your appointment to verify that your specific plan and network are accepted.

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

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

    Top Insurances

    • All Other Third Party

    • Centene

    • CVS Health (formerly Aetna)

    • Department of Veterans Affairs

    • Elevance Health Inc. (formerly Anthem)

    • Essence Healthcare

    • Humana

    • Medicare

    • State of Missouri

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Lewis' office located?

    Dr. Marissa Lewis' Primary Practice

    10010 Kennerly Rd

    Saint Louis, MO 63128

    (314) 747-4156

    Get Directions

    Dr. Marissa Lewis' Practice 2

    12101 Woodcrest Executive Dr Ste 103

    Creve Coeur, MO 63141

    Get Directions

    Dr. Marissa Lewis' Practice 3

    10 Hospital Dr

    Saint Peters, MO 63376

    Get Directions

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

    Dr. Lewis's National Provider Identifier (NPI) number is 1164874822.

    What common questions do patients ask about Dr. Lewis?

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

    What is Dr. Marissa Lewis's specialty?

    Dr. Lewis is a Emergency Medicine Specialist near Saint Louis, 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. Lewis to book an appointment today.

    Is this Dr. Marissa Lewis affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Lewis is affiliated with Barnes-Jewish St. Peters Hospital 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 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 Marissa Lewis accepting new patients in Saint Louis, MO?

    Yes, Dr. Marissa Lewis is accepting new patients at this time.

    Does Dr. Marissa Lewis offer online booking?

    Please contact Dr. Lewis's office at (314) 747-4156 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Marissa Lewis?

    Please contact Dr. Lewis's office at (314) 747-4156 for information regarding telehealth appointment availability or for scheduling assistance.

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