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Dr. Marc St Cyr, MD

Christiana, DE

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. St Cyr, Emergency Medicine Specialist in Christiana, DE?

    Dr. Marc St Cyr, MD is an Emergency Medicine Specialist, who primarily practices in Christiana, DE with 2 additional practice locations. Dr. St Cyr is fluent in English, and is currently seeing new patients. Dr. St Cyr’s practice accepts Cigna, Kaiser Permanente, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. St Cyr’s office at (484) 565-1000.

    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 an 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:

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

    ICD-10 Codes:

    • R079: Chest pain, unspecified

    Also known as:

    • Widespread Abdominal Pain
    • Abdominal Pain
    • Right Lower Abdominal Pain
    • Pelvic Pain
    • General stomach pain
    • Overall belly pain
    • Diffuse abdominal pain
    • Stomach Ache
    • Belly Pain
    • Stomach Pain
    • Pain in lower right belly
    • RLQ pain
    • Right-sided lower abdominal discomfort

    ICD-10 Codes:

    • R1084: Generalized abdominal pain
    • R109: Unspecified abdominal pain
    • R1031: Right lower quadrant pain

    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:

    • S098XXA: Other specified injuries of head, initial encounter
    • S0990XA: Unspecified injury of head, initial encounter

    Also known as:

    • Headache
    • Head pain
    • Cephalalgia
    • Tension headache

    ICD-10 Codes:

    • R519: Headache, 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:

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

    ICD-10 Codes:

    • R42: Dizziness and giddiness

    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:

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

    ICD-10 Codes:

    • R0602: Shortness of breath

    Also known as:

    • Fainting
    • Syncope
    • Passing out
    • Collapse

    ICD-10 Codes:

    • R55: Syncope and collapse

    Also known as:

    • Heart Palpitations
    • Arrhythmia
    • Skipped Heartbeat
    • Fluttering Heart
    • Pounding Heart

    ICD-10 Codes:

    • R002: Palpitations

    Also known as:

    • Scalp Cut
    • Wounds and Injuries
    • Scalp laceration
    • Deep scalp cut
    • Head cut

    ICD-10 Codes:

    • S0101XA: Laceration without foreign body of scalp, initial encounter

    Also known as:

    • High Blood Pressure
    • Hypertension
    • Primary Hypertension
    • Essential Hypertension

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • Sepsis
    • Blood Poisoning
    • Septicemia
    • Systemic Bacterial Infection

    ICD-10 Codes:

    • A419: Sepsis, unspecified organism

    Also known as:

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

    ICD-10 Codes:

    • M5450: Low back pain, unspecified

    Also known as:

    • Kidney Swelling from Kidney Stones
    • Kidney Disease
    • Kidney Stones
    • Ureteral Disorder
    • Hydronephrosis due to Stones
    • Kidney Stone Obstruction
    • Ureteral Stone Blockage

    ICD-10 Codes:

    • N132: Hydronephrosis with renal and ureteral calculous obstruction

    Also known as:

    • Fever
    • High temperature
    • Pyrexia
    • Elevated body temperature

    ICD-10 Codes:

    • R509: Fever, unspecified

    What procedures does Dr. St Cyr perform?

    As an Emergency Medicine Specialist, Dr. St Cyr performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed 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:

    • Pulse Oximetry
    • Oxygen Saturation Test
    • Oximeter Reading
    • Blood Oxygen Level Test

    CPT Codes:

    • 94760: Noninvasive ear or pulse oximetry for oxygen saturation; single determination

    Does Dr. St Cyr accept my insurance?

    Dr. St Cyr accepts most major insurance plans. Important: Please call our office at (484) 565-1000 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. St Cyr accept in Christiana, DE?

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

    Top Insurances

    • All Other Third Party

    • CVS Health (formerly Aetna)

    • Health Care Service Corporation (HCSC)

    • Highmark Inc.

    • Humana

    • Independence Blue Cross

    • Independent Health

    • Medicare

    • State of Tennessee

    • UnitedHealthcare

    View All Insurances

    Where is Dr. St Cyr's office located?

    Dr. Marc St Cyr's Primary Practice

    56 W Main St Ste 203

    Christiana, DE 19702

    (484) 565-1000

    Get Directions

    Dr. Marc St Cyr's Practice 2

    7000 Fannin St

    Houston, TX 77030

    (713) 500-4472

    Get Directions

    Dr. Marc St Cyr's Practice 3

    255 W Lancaster Ave

    Paoli, PA 19301

    Get Directions

    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 1356907414.

    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. Marc St Cyr's specialty?

    Dr. St Cyr is a Emergency Medicine Specialist near Christiana, DE. 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. Marc St Cyr affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. St Cyr is affiliated with Paoli Hospital, Riddle Hospital, Bryn Mawr Hospital, Lankenau Medical Center, Thomas Jefferson University Hospital, Phoenixville Hospital 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 Marc St Cyr accepting new patients in Christiana, DE?

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

    Does Dr. Marc St Cyr offer online booking?

    Please contact Dr. St Cyr's office at (484) 565-1000 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Marc St Cyr?

    Please contact Dr. St Cyr's office at (484) 565-1000 for information regarding telehealth appointment availability or for scheduling assistance.

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