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Dr. Katy Lonergan, MD

Dallas, TX

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Lonergan, Cardiologist in Dallas, TX?

    Dr. Katy Lonergan, MD is a Cardiologist, who primarily practices in Dallas, TX with 2 additional practice locations. Dr. Lonergan is fluent in English, and is currently seeing new patients. Dr. Lonergan’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Lonergan’s office at (214) 645-8300.

    What languages does Dr. Lonergan speak?

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

    • English

    What conditions does Dr. Lonergan treat?

    As a Cardiologist, Dr. Lonergan 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. Lonergan. 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:

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

    ICD-10 Codes:

    • R079: Chest pain, unspecified

    Also known as:

    • Abnormal EKG
    • Heart Health Tests
    • Irregular Electrocardiogram
    • Unusual Heart Rhythm Test
    • ECG Abnormalities

    ICD-10 Codes:

    • R9431: Abnormal electrocardiogram [ECG] [EKG]

    Also known as:

    • Leaky Mitral Valve
    • Tricuspid Valve Insufficiency
    • Heart Valve Disease
    • Mitral Valve Insufficiency
    • Mitral Regurgitation
    • Leaky tricuspid valve
    • Tricuspid regurgitation

    ICD-10 Codes:

    • I340: Nonrheumatic mitral (valve) insufficiency
    • I361: Nonrheumatic tricuspid (valve) insufficiency

    Also known as:

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

    ICD-10 Codes:

    • R42: Dizziness and giddiness

    Also known as:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • Enlarged Heart
    • Heart Disease
    • Cardiomegaly
    • Big heart
    • Heart enlargement

    ICD-10 Codes:

    • I517: Cardiomegaly

    Which procedures does Dr. Lonergan perform as a Cardiologist?

    As a Cardiologist, procedures performed by Dr. Katy Lonergan may include:

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

    Does Dr. Lonergan accept my insurance?

    Dr. Lonergan accepts most major insurance plans. Important: Please call our office at (214) 645-8300 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Lonergan accept in Dallas, TX?

    Dr. Lonergan in Dallas, TX accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • California Foundation for Medical Care

    • Centene

    • Health Care Service Corporation (HCSC)

    • Humana

    • Medicare

    • MedImpact

    • Molina

    • Other Health Care Provider

    • State of Texas

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Lonergan's office located?

    Dr. Katy Lonergan's Primary Practice

    2001 Inwood Rd

    Dallas, TX 75390

    (214) 645-8300

    Get Directions

    Dr. Katy Lonergan's Practice 2

    701 Tuscan Dr Ste 200

    Irving, TX 75039

    Get Directions

    Dr. Katy Lonergan's Practice 3

    3000 N Interstate 35

    Denton, TX 76201

    Get Directions

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

    Dr. Lonergan's National Provider Identifier (NPI) number is 1144394461.

    What common questions do patients ask about Dr. Lonergan?

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

    What is Dr. Katy Lonergan's specialty?

    Dr. Lonergan is a Cardiologist near Dallas, TX. An internist specializing in cardiovascular diseases focuses on the diagnosis and management of complex heart and blood vessel conditions, including heart attacks and life-threatening arrhythmias. Contact Dr. Lonergan to book an appointment today.

    Is this Dr. Katy Lonergan affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Lonergan is affiliated with William P. Clements Jr. University Hospital, Texas Health Presbyterian Hospital Dallas, Medical City Arlington Hospital, Methodist Dallas Medical Center, Medical City Dallas Hospital, Texas Health Denton 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 Cardiologist?

    Explore Cardiologist 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 Katy Lonergan accepting new patients in Dallas, TX?

    Yes, Dr. Katy Lonergan is accepting new patients at this time.

    Does Dr. Katy Lonergan offer online booking?

    Please contact Dr. Lonergan's office at (214) 645-8300 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Katy Lonergan?

    Please contact Dr. Lonergan's office at (214) 645-8300 for information regarding telehealth appointment availability or for scheduling assistance.

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