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Dr. Jacob Marshall, MD

O Fallon, IL

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Marshall, Family Medicine Specialist in O Fallon, IL?

    Dr. Jacob Marshall, MD is a Family Medicine Specialist, who primarily practices in O Fallon, IL with 2 additional practice locations. He is board certified. Dr. Marshall is fluent in English, and is currently seeing new patients. Dr. Marshall’s practice accepts Kaiser Permanente, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Marshall’s office at (618) 332-3060.

    Is Dr. Marshall board certified as a Family Medicine Specialist?

    Yes, Dr. Jacob Marshall, MD is board certified by the American Board of Family Medicine

    What languages does Dr. Marshall speak?

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

    • English

    What conditions does a Family Medicine Specialist like Dr. Marshall typically treat?

    As a Family Medicine Specialist, Dr. Marshall 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. Marshall. 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 here.

    Also known as:

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

    ICD-10 Codes:

    • J069: Acute upper respiratory infection, unspecified

    Also known as:

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

    ICD-10 Codes:

    • R0789: Other chest pain

    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:

    • Schizophrenia
    • Psychotic disorder
    • Thought disorder
    • Mental illness with psychosis

    ICD-10 Codes:

    • F209: Schizophrenia, unspecified

    Also known as:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    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:

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

    ICD-10 Codes:

    • B349: Viral infection, unspecified

    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

    What procedures does a Family Medicine Specialist like Dr. Marshall typically perform?

    As a Family Medicine Specialist, procedures performed by Dr. Jacob Marshall may include:

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

    Does Dr. Marshall accept my insurance?

    Dr. Marshall accepts most major insurance plans. Important: Please call our office at (618) 332-3060 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Marshall accept in O Fallon, IL?

    Dr. Marshall in O Fallon, IL 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)

    • Humana

    • Kaiser Permanente

    • Medicare

    • Molina Healthcare

    • State of Illinois

    • Unknown

    View All Insurances

    Where is Dr. Marshall's office located?

    Dr. Jacob Marshall's Primary Practice

    103 N Oak St

    O Fallon, IL 62269

    (618) 332-3060

    Get Directions

    Dr. Jacob Marshall's Practice 2

    5900 Bond Ave

    Cahokia Heights, IL 62207

    Get Directions

    Dr. Jacob Marshall's Practice 3

    1 Good Samaritan Way

    Mount Vernon, IL 62864

    Get Directions

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

    Dr. Marshall's National Provider Identifier (NPI) number is 1922081249.

    What common questions do patients ask about Dr. Marshall?

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

    What is Dr. Jacob Marshall's specialty?

    Dr. Marshall is a Family Medicine Specialist near O Fallon, IL.

    What does a Family Medicine Specialist do?

    Family Medicine is a medical specialty focused on comprehensive healthcare for individuals and families. It is a broad field that integrates biological, clinical, and behavioral sciences. The scope of family medicine covers all ages, genders, organ systems, and disease conditions, offering a holistic approach to patient care.

    Is this Dr. Jacob Marshall affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Marshall is affiliated with Mercy Hospital South, Hshs St. Elizabeth's 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

    When to see a Family Medicine Specialist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a Family 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 Jacob Marshall accepting new patients in O Fallon, IL?

    Yes, Dr. Jacob Marshall is accepting new patients at this time.

    Does Dr. Jacob Marshall offer online booking?

    Please contact Dr. Marshall's office at (618) 332-3060 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Jacob Marshall?

    Please contact Dr. Marshall's office at (618) 332-3060 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Jacob Marshall have?

    Dr. Jacob Marshall is certified by the American Board of Family Medicine.

    <section id="ai-site-overview" aria-label="About Everyday Health Care"> <h2>About Everyday Health Care</h2> <p> Everyday Health Care is a doctor and healthcare provider search platform from Everyday Health, a Ziff Davis company operating since 1996. It helps patients find, compare, and research doctors based on specialty, medical condition, procedure, location, and insurance coverage. </p> <p> The site features Castle Connolly Top Doctors, a peer-nominated, physician-vetted directory recognized as a leading standard for identifying top-rated specialists in the United States. Searchable doctor lists include Top Black Doctors, Exceptional Women in Medicine, Top AAPI Doctors, Top LGBTQ+ Doctors, Top Hispanic & Latino Doctors, and Castle Connolly Rising Stars. </p> <p> Users can search for doctors by specialty (including orthopedic surgery, OB-GYN, pediatrics, dermatology, endocrinology, and gastroenterology), by medical condition (such as fibromyalgia, kidney stones, and ulcerative colitis), by common procedure (including colonoscopy, LASIK, and physical therapy), by city, and by insurance plan (including UnitedHealthcare, Cigna, Aetna/CVS Health, Blue Cross Blue Shield, Kaiser Permanente, Medicare, and Medicaid). </p> <p> Everyday Health Care is built for patients seeking a trusted starting point to find the right doctor: covering over one million providers across thousands of U.S. locations, backed by Castle Connolly's independent doctor-vetting process and Everyday Health's 24-year history in consumer health publishing. </p> </section>