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Dr. Emeralda O'sullivan-Mejia, MD

Anatomic Pathologist & Clinical Pathologist

Fredericksburg, VA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. O'sullivan-Mejia, Anatomic Pathologist & Clinical Pathologist in Fredericksburg, VA?

    Dr. Emeralda O'sullivan-Mejia, MD is an Anatomic Pathologist & Clinical Pathologist, who primarily practices in Fredericksburg, VA with 2 additional practice locations. She is board certified. Dr. O'sullivan-Mejia graduated from Eastern Virginia Medical School. Dr. O'sullivan-Mejia is fluent in English, and is currently seeing new patients. Dr. O'sullivan-Mejia’s practice accepts Medicaid, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. O'sullivan-Mejia’s office at (540) 498-4600.

    Where did Dr. O'sullivan-Mejia go to medical school and complete their residency?

    • Medical School: Eastern Virginia Medical School

    Is Dr. O'sullivan-Mejia board certified as an Anatomic Pathologist & Clinical Pathologist?

    Yes, Dr. Emeralda O'sullivan-Mejia, MD is board certified by the American Board of Pathology

    What languages does Dr. O'sullivan-Mejia speak?

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

    • English

    What conditions does an Anatomic Pathologist & Clinical Pathologist like Dr. O'sullivan-Mejia typically treat?

    As an Anatomic Pathologist & Clinical Pathologist, Dr. O'sullivan-Mejia 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'sullivan-Mejia. 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:

    • Benign Ascending Colon Polyp
    • Benign Transverse Colon Polyp
    • Benign Tumor
    • Colonic Polyps
    • Colon Polyps
    • Non-cancerous ascending colon growth
    • Ascending colon adenoma
    • Ascending colon benign tumor
    • Non-cancerous transverse colon growth
    • Transverse colon adenoma
    • Transverse colon benign tumor

    ICD-10 Codes:

    • D122: Benign neoplasm of ascending colon
    • D123: Benign neoplasm of transverse colon

    Also known as:

    • Colon Polyps
    • Colonic Polyps
    • Colorectal polyps
    • Bowel polyps
    • Intestinal polyps

    ICD-10 Codes:

    • K635: Polyp of colon

    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:

    • High White Blood Cell Count
    • Blood Disorder
    • Leukocytosis
    • Elevated leukocyte count
    • High WBC count

    ICD-10 Codes:

    • D72829: Elevated white blood cell count, unspecified

    Also known as:

    • Anemia
    • Low Red Blood Cell Count
    • Low Hemoglobin
    • Iron deficiency

    ICD-10 Codes:

    • D649: Anemia, unspecified

    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

    What procedures does an Anatomic Pathologist & Clinical Pathologist like Dr. O'sullivan-Mejia typically perform?

    As an Anatomic Pathologist & Clinical Pathologist, procedures performed by Dr. Emeralda O'sullivan-Mejia may include:

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

    Does Dr. O'sullivan-Mejia accept my insurance?

    Dr. O'sullivan-Mejia accepts most major insurance plans. Important: Please call our office at (540) 498-4600 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. O'sullivan-Mejia accept in Fredericksburg, VA?

    Dr. O'sullivan-Mejia in Fredericksburg, VA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Cigna Group

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Federal government of the United States

    • Humana

    • Medicare

    • Mutual of Omaha

    • SelectCare

    • State of Virginia

    • UnitedHealth Group

    View All Insurances

    Where is Dr. O'sullivan-Mejia's office located?

    Dr. Emeralda O'sullivan-Mejia's Primary Practice

    4600 Spotsylvania Pkwy

    Fredericksburg, VA 22408

    (540) 498-4600

    Get Directions

    Dr. Emeralda O'sullivan-Mejia's Practice 2

    1031 Care Way

    Fredericksburg, VA 22401

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    Dr. Emeralda O'sullivan-Mejia's Practice 3

    7101 Jahnke Rd

    Richmond, VA 23225

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

    Dr. O'sullivan-Mejia's National Provider Identifier (NPI) number is 1548461932.

    What common questions do patients ask about Dr. O'sullivan-Mejia?

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

    What is Dr. Emeralda O'sullivan-Mejia's specialty?

    Dr. O'sullivan-Mejia is an Anatomic Pathologist & Clinical Pathologist near Fredericksburg, VA.

    What does an Anatomic Pathologist & Clinical Pathologist do?

    A pathologist focuses on the causes and nature of diseases, contributing to diagnosis, prognosis, and treatment by applying knowledge from biological, chemical, and physical sciences in the laboratory. They utilize microscopic examinations of tissue specimens, cells, and body fluids, along with clinical laboratory tests on fluids and secretions, to diagnose, exclude, or monitor diseases.

    Is Dr. Emeralda O'sullivan-Mejia affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. O'sullivan-Mejia is affiliated with Johnston-Willis Hospital, Hca Henrico Doctors' Hospital, Hca Chippenham Hospital, Spotsylvania 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

    When to see an Anatomic Pathologist & Clinical Pathologist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see an Anatomic Pathologist & Clinical Pathologist. 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. Emeralda O'sullivan-Mejia accepting new patients in Fredericksburg, VA?

    Yes, Dr. Emeralda O'sullivan-Mejia is accepting new patients at this time.

    Does Dr. Emeralda O'sullivan-Mejia offer online booking?

    Please contact Dr. O'sullivan-Mejia's office at (540) 498-4600 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dr. Emeralda O'sullivan-Mejia?

    Please contact Dr. O'sullivan-Mejia's office at (540) 498-4600 to schedule an appointment.

    Where is Dr. O'sullivan-Mejia's office located?

    Dr. O'sullivan-Mejia's offices are located in Fredericksburg, VA and Richmond, VA.

    Which board certifications does Dr. Emeralda O'sullivan-Mejia have?

    Dr. Emeralda O'sullivan-Mejia is certified by the American Board of Pathology.