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Dr. Katherine Cassity, DO

Johnson City, TN

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Cassity, Internist in Johnson City, TN?

    Dr. Katherine Cassity, DO is an Internist, who primarily practices in Johnson City, TN with 2 additional practice locations. She is board certified. Dr. Cassity is fluent in English, and is currently seeing new patients. Dr. Cassity’s practice accepts Kaiser Permanente, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Cassity’s office at (423) 794-5520.

    What languages does Dr. Cassity speak?

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

    • English

    What conditions does Dr. Cassity treat?

    As a Internist, Dr. Cassity 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. Cassity. 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:

    • Acute Respiratory Failure with Low Oxygen
    • Acute and Chronic Respiratory Failure with Low Oxygen
    • Respiratory Failure
    • Sudden lung failure with low oxygen
    • Hypoxic respiratory failure
    • Acute breathing failure with hypoxia
    • Sudden and Long-Term Lung Failure with Low Oxygen
    • Acute and Chronic Hypoxic Respiratory Failure
    • Ongoing Breathing Failure with Low Oxygen

    ICD-10 Codes:

    • J9601: Acute respiratory failure with hypoxia
    • J9621: Acute and chronic respiratory failure with hypoxia

    Also known as:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • Pneumonia
    • Lung Infection
    • Chest Infection
    • Pneumonitis

    ICD-10 Codes:

    • J189: Pneumonia, unspecified organism

    Also known as:

    • Urinary Tract Infection
    • Acute Bladder Infection
    • Bladder Disease
    • UTI
    • Bladder infection
    • Kidney infection
    • Urine infection
    • Acute Cystitis
    • Sudden Bladder Infection

    ICD-10 Codes:

    • N390: Urinary tract infection, site not specified
    • N3000: Acute cystitis without hematuria

    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:

    • COPD
    • COPD Flare-Up
    • Chronic Obstructive Pulmonary Disease
    • Chronic Lung Disease
    • Emphysema and Chronic Bronchitis
    • COPD Exacerbation
    • Chronic Obstructive Pulmonary Disease Flare-Up
    • Worsening COPD
    • COPD Attack

    ICD-10 Codes:

    • J449: Chronic obstructive pulmonary disease, unspecified
    • J441: Chronic obstructive pulmonary disease with (acute) exacerbation

    Also known as:

    • Muscle Weakness
    • Muscle Disorder
    • Loss of strength
    • Fatigue
    • Muscle fatigue

    ICD-10 Codes:

    • R531: Weakness

    Also known as:

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

    ICD-10 Codes:

    • I4891: Unspecified atrial fibrillation

    Also known as:

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

    ICD-10 Codes:

    • R079: Chest pain, unspecified

    Also known as:

    • Heart Failure
    • Congestive Heart Failure
    • CHF
    • Cardiac Insufficiency

    ICD-10 Codes:

    • I509: Heart failure, unspecified

    Also known as:

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

    ICD-10 Codes:

    • G9341: Metabolic encephalopathy

    Also known as:

    • Ischemic Stroke
    • Brain Attack
    • Cerebral Infarction
    • Brain Ischemia

    ICD-10 Codes:

    • I639: Cerebral infarction, 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:

    • Changes in Mental State
    • Mental Disorder
    • Confusion
    • Disorientation
    • Changes in awareness

    ICD-10 Codes:

    • R4182: Altered mental status, unspecified

    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:

    • Type 2 Diabetes
    • Diabetes Type 2
    • Type 2 diabetes
    • Diabetes Mellitus Type 2
    • Adult-Onset Diabetes
    • Non-Insulin Dependent Diabetes

    ICD-10 Codes:

    • E119: Type 2 diabetes mellitus without complications

    Which procedures does Dr. Cassity perform as a Internist?

    As a Internist, procedures performed by an Dr. Katherine Cassity may include:

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

    Does Dr. Cassity accept my insurance?

    Dr. Cassity accepts most major insurance plans. Important: Please call our office at (423) 794-5520 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Cassity accept in Johnson City, TN?

    Dr. Cassity in Johnson City, TN accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • BlueCross BlueShield of Tennessee

    • CVS Health (formerly Aetna)

    • Devoted Health

    • Express Scripts

    • Humana

    • Medicare

    • Sentara Health System / Optima Health

    • State of Tennessee

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Cassity's office located?

    Dr. Katherine Cassity's Primary Practice

    301 Med Tech Pkwy

    Johnson City, TN 37604

    (423) 794-5520

    Get Directions

    Dr. Katherine Cassity's Practice 2

    1 Medical Park Blvd

    Bristol, TN 37620

    Get Directions

    Dr. Katherine Cassity's Practice 3

    2000 Brookside Dr Rm 12

    Kingsport, TN 37660

    Get Directions

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

    Dr. Cassity's National Provider Identifier (NPI) number is 1548576549.

    What common questions do patients ask about Dr. Cassity?

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

    What is Dr. Katherine Cassity's specialty?

    Dr. Cassity is a Internist near Johnson City, TN.

    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. Cassity to book an appointment today.

    Is this Dr. Katherine Cassity affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Cassity is affiliated with Indian Path Community Hospital which is a Castle Connolly Top Hospital. 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 Katherine Cassity accepting new patients in Johnson City, TN?

    Yes, Dr. Katherine Cassity is accepting new patients at this time.

    Does Dr. Katherine Cassity offer online booking?

    Please contact Dr. Cassity's office at (423) 794-5520 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Katherine Cassity?

    Please contact Dr. Cassity's office at (423) 794-5520 for information regarding telehealth appointment availability or for scheduling assistance.

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