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Dr. Mary Fitzsimons, MD

Dr. Mary Fitzsimons, MD

Emergency Medicine Specialist

Antioch, CA

38 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Fitzsimons, Emergency Medicine Specialist in Antioch, CA?

    Dr. Mary Fitzsimons, MD is an Emergency Medicine Specialist, who primarily practices in Antioch, CA. She has been practicing for over 38 years and is board certified. Dr. Fitzsimons graduated from Northwestern University The Feinberg School of Medicine and completed her residency at Mc Gaw Mc/Northwestern Univ, Internal Medicine. Dr. Fitzsimons is fluent in English, and is currently seeing new patients. Dr. Fitzsimons’s practice accepts Kaiser Permanente, Medicaid, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Fitzsimons’s office at (925) 779-7200.

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

    • Residency: Mc Gaw Mc/Northwestern Univ, Internal Medicine

    • Medical School: Northwestern University The Feinberg School of Medicine

    Is Dr. Fitzsimons board certified as an Emergency Medicine Specialist?

    Yes, Dr. Mary Fitzsimons, MD is board certified by the American Board of Emergency Medicine , American Board of Internal Medicine

    What languages does Dr. Fitzsimons speak?

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

    • English

    What conditions does an Emergency Medicine Specialist like Dr. Fitzsimons typically treat?

    As an Emergency Medicine Specialist, Dr. Fitzsimons 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. Fitzsimons. 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:

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

    ICD-10 Codes:

    • R0789: Other chest pain

    Also known as:

    • Common Cold
    • Upper Respiratory Infection
    • Head Cold
    • Cold Symptoms

    ICD-10 Codes:

    • J069: Acute upper respiratory 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:

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

    ICD-10 Codes:

    • J101: Influenza due to other identified influenza virus with other respiratory manifestations

    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:

    • Sudden Airway Spasm
    • Bronchial Disorder
    • Acute airway constriction
    • Bronchial spasm
    • Sudden narrowing of airways

    ICD-10 Codes:

    • J9801: Acute bronchospasm

    Also known as:

    • Sore Throat
    • Acute pharyngitis
    • Throat inflammation
    • Acute throat infection

    ICD-10 Codes:

    • J029: Acute pharyngitis, unspecified

    What procedures does an Emergency Medicine Specialist like Dr. Fitzsimons typically perform?

    As an Emergency Medicine Specialist, procedures performed by Dr. Mary Fitzsimons may include:

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

    Does Dr. Fitzsimons accept my insurance?

    Dr. Fitzsimons accepts most major insurance plans. Important: Please call our office at (925) 779-7200 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Fitzsimons accept in Antioch, CA?

    Dr. Fitzsimons in Antioch, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • BCBS Unspecified

    • Blue Shield of California

    • Contra Costa

    • CVS Health (formerly Aetna)

    • Hill Physicians Medical Group

    • Kaiser Permanente

    • Medicare

    • Molina Healthcare

    • State of California

    • UnitedHealth Group

    View All Insurances

    Where is Dr. Fitzsimons' office located?

    Dr. Mary Fitzsimons' Primary Practice

    3901 Lone Tree Way

    Antioch, CA 94509

    (925) 779-7200

    Get Directions

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

    Dr. Fitzsimons's National Provider Identifier (NPI) number is 1053330431.

    What common questions do patients ask about Dr. Fitzsimons?

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

    What is Dr. Mary Fitzsimons's specialty?

    Dr. Fitzsimons is an Emergency Medicine Specialist near Antioch, CA.

    What does an Emergency Medicine Specialist do?

    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.

    Is Dr. Mary Fitzsimons affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Fitzsimons is affiliated with Sutter Delta Medical Center, John Muir Health Concord Medical Center, John Muir Health Walnut Creek Medical Center, Mills-Peninsula Medical Center, Sutter Roseville Medical Center, Alta Bates Summit Medical Center - Summit Campus 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

    When to see an Emergency Medicine Specialist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see an Emergency Medicine Specialist. 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. Mary Fitzsimons accepting new patients in Antioch, CA?

    Yes, Dr. Mary Fitzsimons is accepting new patients at this time.

    Does Dr. Mary Fitzsimons offer online booking?

    Please contact Dr. Fitzsimons' office at (925) 779-7200 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dr. Mary Fitzsimons?

    Please contact Dr. Fitzsimons' office at (925) 779-7200 to schedule an appointment.

    Where is Dr. Fitzsimons' office located?

    Dr. Fitzsimons' office is located in Antioch, CA.

    Which board certifications does Dr. Mary Fitzsimons have?

    Dr. Mary Fitzsimons is certified by the American Board of Emergency Medicine and American Board of Internal Medicine.