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Dr. Oluwaseyi Ajayi, MD

Fairfax, VA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Ajayi, Internist in Fairfax, VA?

    Dr. Oluwaseyi Ajayi, MD is an Internist, who primarily practices in Fairfax, VA with 2 additional practice locations. He is board certified by the American Board of Internal Medicine. Dr. Ajayi is fluent in English and Yoruba, and is currently seeing new patients. Dr. Ajayi’s practice accepts Kaiser Permanente, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Ajayi’s office at (215) 214-4119.

    Is Dr. Ajayi board certified in Internist?

    Yes, Dr. Oluwaseyi Ajayi, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Ajayi speak?

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

    • English

    • Yoruba

    What conditions does Dr. Ajayi treat?

    As a Internist, Dr. Ajayi 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. Ajayi. 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
    • Severe Sepsis
    • Blood Poisoning
    • Septicemia
    • Systemic Bacterial Infection
    • Systemic Infection

    ICD-10 Codes:

    • A419: Sepsis, unspecified organism
    • R6520: Severe sepsis without septic shock

    Also known as:

    • Acute Respiratory Failure with Low Oxygen
    • Respiratory Failure
    • Sudden lung failure with low oxygen
    • Hypoxic respiratory failure
    • Acute breathing failure with hypoxia

    ICD-10 Codes:

    • J9601: Acute respiratory failure with hypoxia

    Also known as:

    • Acute Kidney Failure
    • Kidney Failure
    • Acute Renal Failure
    • Sudden Kidney Failure

    ICD-10 Codes:

    • N179: Acute kidney failure, unspecified

    Also known as:

    • Pneumonia
    • Aspiration Pneumonia
    • Lung Infection
    • Chest Infection
    • Pneumonitis
    • Inhalation Pneumonia
    • Chemical Pneumonitis
    • Aspiration Lung Infection

    ICD-10 Codes:

    • J189: Pneumonia, unspecified organism
    • J690: Pneumonitis due to inhalation of food and vomit

    Also known as:

    • Worsening Chronic Diastolic Heart Failure
    • Heart Failure
    • Acute Decompensated HFpEF
    • Sudden Worsening Diastolic Heart Failure
    • Acute on Chronic Filling Heart Failure
    • Congestive Heart Failure
    • CHF
    • Cardiac Insufficiency

    ICD-10 Codes:

    • I5033: Acute on chronic diastolic (congestive) heart failure
    • I509: Heart failure, unspecified

    Also known as:

    • Atrial Fibrillation
    • Afib
    • A-fib
    • Irregular heart rhythm

    ICD-10 Codes:

    • I4891: Unspecified atrial fibrillation

    Also known as:

    • Metabolic Brain Disorder
    • Brain Disease
    • Metabolic Encephalopathy
    • Brain Dysfunction from Metabolism

    ICD-10 Codes:

    • G9341: Metabolic encephalopathy

    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:

    • Intestinal Obstruction
    • Bowel Obstruction
    • Blocked Intestines
    • Gut Blockage

    ICD-10 Codes:

    • K56609: Unspecified intestinal obstruction, unspecified as to partial versus complete obstruction

    Also known as:

    • Gastrointestinal Bleeding
    • Gastrointestinal (GI) Bleeding
    • GI Bleeding
    • Internal Digestive Bleeding
    • Digestive Tract Hemorrhage

    ICD-10 Codes:

    • K922: Gastrointestinal hemorrhage, unspecified

    Also known as:

    • Chest Pain
    • Chest discomfort
    • Thoracic pain
    • Upper body pain

    ICD-10 Codes:

    • R079: Chest pain, unspecified

    Also known as:

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

    ICD-10 Codes:

    • D649: Anemia, unspecified

    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:

    • Low Sodium Levels
    • Fluid and Electrolyte Balance
    • Sodium
    • Hyponatremia
    • Low Blood Sodium
    • Sodium Deficiency

    ICD-10 Codes:

    • E871: Hypo-osmolality and hyponatremia

    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:

    • Fainting
    • Syncope
    • Passing out
    • Collapse

    ICD-10 Codes:

    • R55: Syncope and collapse

    Also known as:

    • Dizziness
    • Dizziness and Vertigo
    • Lightheadedness
    • Giddiness
    • Vertigo

    ICD-10 Codes:

    • R42: Dizziness and giddiness

    Which procedures does Dr. Ajayi perform as a Internist?

    As a Internist, procedures performed by an Dr. Oluwaseyi Ajayi may include:

    For detailed information, please contact Dr. Ajayi's office.

    Does Dr. Ajayi accept my insurance?

    Dr. Ajayi accepts most major insurance plans. Important: Please call our office at (215) 214-4119 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Ajayi accept in Fairfax, VA?

    Dr. Ajayi in Fairfax, VA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Carefirst BlueCross BlueShield

    • CVS Health (formerly Aetna)

    • Department of Defense / Tricare

    • Elevance Health Inc. (formerly Anthem)

    • Express Scripts

    • Humana

    • Medicare

    • Mutual of Omaha

    • State of Virginia

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Ajayi's office located?

    Dr. Oluwaseyi Ajayi's Primary Practice

    3600 Joseph Siewick Dr

    Fairfax, VA 22033

    (215) 214-4119

    Get Directions

    Dr. Oluwaseyi Ajayi's Practice 2

    500 Hospital Dr

    Warrenton, VA 20186

    Get Directions

    Dr. Oluwaseyi Ajayi's Practice 3

    3300 Gallows Rd

    Falls Church, VA 22042

    Get Directions

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

    Dr. Ajayi's National Provider Identifier (NPI) number is 1871741108.

    What common questions do patients ask about Dr. Ajayi?

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

    What is Dr. Oluwaseyi Ajayi's specialty?

    Dr. Ajayi is a Internist near Fairfax, VA.

    A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

    Contact Dr. Ajayi to book an appointment today.

    Is this Dr. Oluwaseyi Ajayi affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Ajayi is affiliated with Inova Fair Oaks Hospital, Inova Fairfax Medical 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

    Where can I learn more about Internist?

    Explore Internist 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 Oluwaseyi Ajayi accepting new patients in Fairfax, VA?

    Yes, Dr. Oluwaseyi Ajayi is accepting new patients at this time.

    Does Dr. Oluwaseyi Ajayi offer online booking?

    Please contact Dr. Ajayi's office at (215) 214-4119 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Oluwaseyi Ajayi?

    Please contact Dr. Ajayi's office at (215) 214-4119 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Oluwaseyi Ajayi have?

    Dr. Oluwaseyi Ajayi is certified by the American Board of Internal Medicine.

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