EO
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 by the American Board of Pathology. 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 Kaiser Permanente, Medicaid, Medicare, UnitedHealthcare 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 in 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 Dr. O'sullivan-Mejia treat?
As a 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.
Also known as:
- Benign Ascending Colon Polyp
- Benign Transverse Colon Polyp
- Benign Cecum Polyp
- Benign Sigmoid Colon Polyp
- Benign Descending 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
- Non-cancerous cecum growth
- Cecal adenoma
- Cecum benign tumor
- Non-cancerous sigmoid colon growth
- Sigmoid colon adenoma
- Sigmoid colon benign tumor
- Non-cancerous descending colon growth
- Descending colon adenoma
- Descending colon benign tumor
ICD-10 Codes:
- D122: Benign neoplasm of ascending colon
- D123: Benign neoplasm of transverse colon
- D120: Benign neoplasm of cecum
- D125: Benign neoplasm of sigmoid colon
- D124: Benign neoplasm of descending colon
Also known as:
- High White Blood Cell Count
- Low White Blood Cell Count
- Lymphocytosis
- Blood Disorder
- Leukocytosis
- Elevated leukocyte count
- High WBC count
- Leukopenia
- Low WBC count
- Immune system weakness
- High lymphocyte count
- Elevated lymphocytes
- Lymphocyte increase
ICD-10 Codes:
- D72829: Elevated white blood cell count, unspecified
- D72819: Decreased white blood cell count, unspecified
- D72820: Lymphocytosis (symptomatic)
Also known as:
- Anemia
- Iron Deficiency Anemia
- Anemia from Sudden Blood Loss
- Iron
- Low Red Blood Cell Count
- Low Hemoglobin
- Iron deficiency
- Anemia from Iron Lack
- Low Iron Anemia
- Sideropenic Anemia
- Acute Blood Loss Anemia
- Post-Hemorrhagic Anemia
ICD-10 Codes:
- D649: Anemia, unspecified
- D509: Iron deficiency anemia, unspecified
- D62: Acute posthemorrhagic anemia
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal polyps
- Bowel polyps
- Intestinal polyps
ICD-10 Codes:
- K635: Polyp of colon
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
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:
- Thrombocytopenia
- Platelet Disorder
- Low platelet count
- Platelet deficiency
- Bleeding disorder
ICD-10 Codes:
- D696: Thrombocytopenia, unspecified
Also known as:
- Large Intestine Diverticulosis
- Diverticulosis and Diverticulitis
- Diverticular Disease
- Colon Diverticula
- Pockets in the Colon
ICD-10 Codes:
- K5730: Diverticulosis of large intestine without perforation or abscess without bleeding
Also known as:
- Breast Enlargement
- Breast Disease
- Breast hypertrophy
- Macromastia
- Gigantomastia
ICD-10 Codes:
- N62: Hypertrophy of breast
Also known as:
- Atrial Fibrillation
- Afib
- A-fib
- Irregular heart rhythm
ICD-10 Codes:
- I4891: Unspecified atrial fibrillation
Also known as:
- Sepsis
- Blood Poisoning
- Septicemia
- Systemic Bacterial Infection
ICD-10 Codes:
- A419: Sepsis, unspecified organism
Also known as:
- Chronic Lymphocytic Leukemia
- Chronic Lymphocytic Leukemia Treatment (PDQ®)
- CLL
- B-cell chronic lymphocytic leukemia
- Lymphocytic leukemia
ICD-10 Codes:
- C9110: Chronic lymphocytic leukemia of B-cell type not having achieved remission
Which procedures does Dr. O'sullivan-Mejia perform as a Anatomic Pathologist & Clinical Pathologist?
As a Anatomic Pathologist & Clinical Pathologist, procedures performed by an Dr. Emeralda O'sullivan-Mejia may include:
- Ancillary Testing
- Blood Sample
- Blood Smear
- Blood Sugar / Plasma Glucose Test
- Bone Pathology
- Chemical Pathology Consultation
- Chemical Pathology Follow Up
- Electrolyte Test / PH Imbalance
For detailed information, please contact Dr. O'sullivan-Mejia's office.
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
All Other Third Party
CVS Health (formerly Aetna)
Department of Defense / Tricare
Elevance Health Inc. (formerly Anthem)
Express Scripts
Humana
Medicaid
Medicare
Mutual of Omaha
UnitedHealthcare
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
Dr. Emeralda O'sullivan-Mejia's Practice 3
400 Sentara Cir Ste 103
Williamsburg, VA 23188
What is Dr. O'sullivan-Mejia's NPI number?An 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 a Anatomic Pathologist & Clinical Pathologist near Fredericksburg, VA. 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. Contact Dr. O'sullivan-Mejia to book an appointment today.
Is this 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 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 Anatomic Pathologist & Clinical Pathologist?
Explore Anatomic Pathologist & Clinical 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 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 Emeralda O'sullivan-Mejia?
Please contact Dr. O'sullivan-Mejia's office at (540) 498-4600 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Emeralda O'sullivan-Mejia have?
Dr. Emeralda O'sullivan-Mejia is certified by the American Board of Pathology.
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