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Dr. Mark St. Cyr, MD

Marksville, LA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. St. Cyr, Emergency Medicine Specialist in Marksville, LA?

    Dr. Mark St. Cyr, MD is an Emergency Medicine Specialist, who primarily practices in Marksville, LA with 2 additional practice locations. He is board certified. Dr. St. Cyr is fluent in English, and is currently seeing new patients. Dr. St. Cyr’s practice accepts Kaiser Permanente, Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. St. Cyr’s office at (337) 261-0734.

    What languages does Dr. St. Cyr speak?

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

    • English

    What conditions does Dr. St. Cyr treat?

    As a Emergency Medicine Specialist, Dr. St. Cyr 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. St. Cyr. 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:

    • Viral Infection
    • Virus Infection
    • Viral Illness
    • Common Virus

    ICD-10 Codes:

    • B349: Viral infection, unspecified

    Also known as:

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

    ICD-10 Codes:

    • N390: Urinary tract infection, site not specified

    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:

    • Constipation
    • Difficulty Passing Stool
    • Infrequent Bowel Movements
    • Hard Stools

    ICD-10 Codes:

    • K5900: Constipation, unspecified

    Also known as:

    • Low Potassium
    • Dehydration
    • Fluid and Electrolyte Balance
    • Potassium
    • Hypokalemia
    • Potassium Deficiency
    • Lack of Fluids
    • Fluid Loss
    • Body Water Depletion

    ICD-10 Codes:

    • E876: Hypokalemia
    • E860: Dehydration

    Also known as:

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

    ICD-10 Codes:

    • R079: Chest pain, unspecified

    Also known as:

    • Abdominal Pain
    • Upper Middle Abdominal Pain
    • Stomach Ache
    • Belly Pain
    • Stomach Pain
    • Epigastric pain
    • Pain below breastbone
    • Upper stomach pain

    ICD-10 Codes:

    • R109: Unspecified abdominal pain
    • R1013: Epigastric pain

    Also known as:

    • Headache
    • Head pain
    • Cephalalgia
    • Tension headache

    ICD-10 Codes:

    • R519: Headache, unspecified

    Also known as:

    • Tooth Decay
    • Cavities
    • Dental Caries
    • Tooth Rot

    ICD-10 Codes:

    • K029: Dental caries, unspecified

    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

    Also known as:

    • Acute Bronchitis
    • Chest cold
    • Short-term bronchitis
    • Acute chest infection

    ICD-10 Codes:

    • J209: Acute bronchitis, unspecified

    Also known as:

    • Low Back Pain
    • Back Pain
    • Lumbago
    • Lower Back Ache
    • Backache

    ICD-10 Codes:

    • M5450: Low back pain, unspecified

    Also known as:

    • Flu with Respiratory Symptoms
    • Flu
    • Influenza with Breathing Problems
    • Novel Flu with Cough
    • Severe Flu

    ICD-10 Codes:

    • J09X2: Influenza due to identified novel influenza A virus with other respiratory manifestations

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

    As a Emergency Medicine Specialist, procedures performed by an Dr. Mark St. Cyr may include:

    For detailed information, please contact Dr. St. Cyr's office.

    Does Dr. St. Cyr accept my insurance?

    Dr. St. Cyr accepts most major insurance plans. Important: Please call our office at (337) 261-0734 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. St. Cyr accept in Marksville, LA?

    Dr. St. Cyr in Marksville, LA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Blue Cross and Blue Shield of Louisiana

    • Boston Medical Center

    • Centene

    • Centra Health

    • CVS Health (formerly Aetna)

    • Medicaid

    • Medicare

    • MedImpact

    • State of Tennessee

    • UnitedHealthcare

    View All Insurances

    Where is Dr. St. Cyr's office located?

    Dr. Mark St. Cyr's Primary Practice

    4231 Highway 1192

    Marksville, LA 71351

    (337) 261-0734

    Get Directions

    Dr. Mark St. Cyr's Practice 2

    801 Poinciana Ave

    Mamou, LA 70554

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    Dr. Mark St. Cyr's Practice 3

    336 N Hood St

    Lake Providence, LA 71254

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

    Dr. St. Cyr's National Provider Identifier (NPI) number is 1184678997.

    What common questions do patients ask about Dr. St. Cyr?

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

    What is Dr. Mark St. Cyr's specialty?

    Dr. St. Cyr is a Emergency Medicine Specialist near Marksville, LA. 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. St. Cyr to book an appointment today.

    Is this Dr. Mark St. Cyr affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. St. Cyr is affiliated with CHRISTUS Highland Medical Center, Northern Louisiana Medical Center, Rapides Regional Medical Center 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 Mark St. Cyr accepting new patients in Marksville, LA?

    Yes, Dr. Mark St. Cyr is accepting new patients at this time.

    Does Dr. Mark St. Cyr offer online booking?

    Please contact Dr. St. Cyr's office at (337) 261-0734 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Mark St. Cyr?

    Please contact Dr. St. Cyr's office at (337) 261-0734 for information regarding telehealth appointment availability or for scheduling assistance.

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