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Dr. William O'neill, MD

Largo, FL

32 Years of Experience

Accepting patients

    Who is Dr. O'neill, Anatomic Pathologist in Largo, FL?

    Dr. William O'neill, MD is an Anatomic Pathologist, who primarily practices in Largo, FL with 2 additional practice locations. He has been practicing for over 32 years and is board certified. Dr. O'neill is fluent in English, and is currently seeing new patients. Dr. O'neill’s practice accepts Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. O'neill’s office at (812) 232-0021.

    Where did Dr. O'neill go to medical school and complete their residency?

    • Medical School: St George',s University

    What languages does Dr. O'neill speak?

    Dr. O'neill and their clinical team can communicate with patients in the following languages:

    • English

    What conditions does Dr. O'neill treat?

    As a Anatomic Pathologist, Dr. O'neill 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. O'neill. 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:

    • Sepsis
    • Blood Poisoning
    • Septicemia
    • Systemic Bacterial Infection

    ICD-10 Codes:

    • A419: Sepsis, unspecified organism

    Also known as:

    • Anemia
    • Anemia from Sudden Blood Loss
    • Low Red Blood Cell Count
    • Low Hemoglobin
    • Iron deficiency
    • Acute Blood Loss Anemia
    • Post-Hemorrhagic Anemia

    ICD-10 Codes:

    • D649: Anemia, unspecified
    • D62: Acute posthemorrhagic anemia

    Also known as:

    • Uterine Fibroids
    • Leiomyoma
    • Fibromyoma
    • Myoma
    • Uterine growth
    • Leiomyoma of uterus
    • Uterine leiomyoma

    ICD-10 Codes:

    • D259: Leiomyoma of uterus, unspecified
    • D251: Intramural leiomyoma of uterus

    Also known as:

    • Acid Reflux
    • GERD
    • Acid Reflux (GER & GERD) in Adults
    • Acid Reflux (GER & GERD) in Children
    • Acid Reflux (GER & GERD) in Infants
    • Gastroesophageal Reflux
    • Heartburn
    • Indigestion

    ICD-10 Codes:

    • K219: Gastro-esophageal reflux disease without esophagitis

    Also known as:

    • Acute Appendicitis
    • Appendicitis
    • Inflamed Appendix
    • Sudden Appendix Inflammation
    • Appendicitis Attack

    ICD-10 Codes:

    • K3580: Unspecified acute appendicitis

    Also known as:

    • Chronic Stomach Inflammation
    • Stomach Disorder
    • Gastritis & Gastropathy
    • Chronic gastritis
    • Long-term stomach inflammation
    • Persistent stomach lining inflammation

    ICD-10 Codes:

    • K2950: Unspecified chronic gastritis without bleeding

    Does Dr. O'neill accept my insurance?

    Dr. O'neill accepts most major insurance plans. Important: Please call our office at (812) 232-0021 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. O'neill accept in Largo, FL?

    Dr. O'neill in Largo, FL 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)

    • Elevance Health Inc. (formerly Anthem)

    • Express Scripts

    • Florida Blue / Guidewell

    • Humana

    • Medicare

    • Oscar Health Insurance Co

    • UnitedHealthcare

    View All Insurances

    Where is Dr. O'neill's office located?

    Dr. William O'neill's Primary Practice

    201 14th St SW

    Largo, FL 33770

    (812) 232-0021

    Get Directions

    Dr. William O'neill's Practice 2

    1431 SW 1st Ave

    Ocala, FL 34471

    Get Directions

    Dr. William O'neill's Practice 3

    3901 S 7th St

    Terre Haute, IN 47802

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

    Dr. O'neill's National Provider Identifier (NPI) number is 1922118900.

    What common questions do patients ask about Dr. O'neill?

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

    What is Dr. William O'neill's specialty?

    Dr. O'neill is a Anatomic Pathologist near Largo, FL. A pathologist specializes in understanding the causes and nature of diseases, playing a key role in diagnosis, prognosis, and treatment through laboratory-based insights from biological, chemical, and physical sciences. They analyze information gathered from microscopic examinations of tissue specimens, cells, and body fluids, as well as from clinical laboratory tests on body fluids and secretions, to diagnose, exclude, or monitor disease. Contact Dr. O'neill to book an appointment today.

    Is this Dr. William O'neill affiliated with a ranked Castle Connolly Top Hospital?

    No, O'neill is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Hca Florida Palms West Hospital, Hca Florida Largo Hospital. Castle Connolly Top Hospitals 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 Anatomic Pathologist?

    Explore Anatomic Pathologist 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 William O'neill accepting new patients in Largo, FL?

    Yes, Dr. William O'neill is accepting new patients at this time.

    Does Dr. William O'neill offer online booking?

    Please contact Dr. O'neill's office at (812) 232-0021 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with William O'neill?

    Please contact Dr. O'neill's office at (812) 232-0021 for information regarding telehealth appointment availability or for scheduling assistance.

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