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Dr. Holly Keyt, MD

San Antonio, TX

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Keyt, Critical Care Internist in San Antonio, TX?

    Dr. Holly Keyt, MD is a Critical Care Internist, who primarily practices in San Antonio, TX. She is board certified. Dr. Keyt is fluent in English and Spanish, and is currently seeing new patients. Dr. Keyt’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Keyt’s office at (210) 358-4000.

    Is Dr. Keyt board certified as a Critical Care Internist?

    Yes, Dr. Holly Keyt, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Keyt speak?

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

    • English

    • Spanish

    What conditions does a Critical Care Internist like Dr. Keyt typically treat?

    As a Critical Care Internist, Dr. Keyt 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. Keyt. 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 here.

    Also known as:

    • Lung Transplant
    • Lung Transplantation
    • Pulmonary Transplant
    • Lung Graft
    • New Lung

    ICD-10 Codes:

    • Z942: Lung transplant status

    Also known as:

    • Lung Transplant Aftercare
    • Lung Transplantation
    • Post-lung transplant care
    • Lung recipient follow-up
    • Lung transplant recovery

    ICD-10 Codes:

    • Z4824: Encounter for aftercare following lung transplant

    Also known as:

    • Interstitial Lung Disease
    • ILD
    • Diffuse Parenchymal Lung Disease
    • Chronic Lung Disease

    ICD-10 Codes:

    • J849: Interstitial pulmonary disease, unspecified

    Also known as:

    • Other Pre-Procedure Examination
    • Various pre-op checks
    • Miscellaneous pre-surgery exams
    • Other pre-treatment assessments

    ICD-10 Codes:

    • Z01818: Encounter for other preprocedural examination

    Also known as:

    • Pulmonary Hypertension
    • High Blood Pressure in Lungs
    • Lung Hypertension
    • High Lung Pressure

    ICD-10 Codes:

    • I2720: Pulmonary hypertension, unspecified

    What procedures does a Critical Care Internist like Dr. Keyt typically perform?

    As a Critical Care Internist, Dr. Keyt performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Keyt. 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 here.

    Also known as:

    • Lung Diffusing Capacity Test
    • Lung Volume and Airway Resistance Test
    • Pulmonary Stress Test
    • Lung Function Tests
    • DLCO Test
    • Carbon Monoxide Diffusing Capacity
    • Lung Gas Exchange Test
    • Body Plethysmography
    • Lung Volume Measurement
    • Airway Resistance Test
    • Lung Stress Test
    • 6-Minute Walk Test
    • Breathing Stress Test

    CPT Codes:

    • 94729: Diffusing capacity (eg, carbon monoxide, membrane) (List separately in addition to code for primary procedure)
    • 94726: Plethysmography for determination of lung volumes and, when performed, airway resistance
    • 94618: Pulmonary stress testing (eg, 6-minute walk test), including measurement of heart rate, oximetry, and oxygen titration, when performed

    Does Dr. Keyt accept my insurance?

    Dr. Keyt accepts most major insurance plans. Important: Please call our office at (210) 358-4000 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Keyt accept in San Antonio, TX?

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

    Top Insurances

    • All Other Third Party

    • BCBS Unspecified

    • CVS Health (formerly Aetna)

    • Federal government of the United States

    • Health Care Service Corporation

    • Humana

    • Medicare

    • State of Texas

    • UnitedHealth Group

    • Unknown

    View All Insurances

    Where is Dr. Keyt's office located?

    Mc7977

    4502 Medical Dr

    San Antonio, TX 78229

    (210) 358-4000

    Get Directions

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

    Dr. Keyt's National Provider Identifier (NPI) number is 1699902965.

    What common questions do patients ask about Dr. Keyt?

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

    What is Dr. Holly Keyt's specialty?

    Dr. Keyt is a Critical Care Internist near San Antonio, TX.

    What does a Critical Care Internist do?

    An internist specializing in the diagnosis, treatment, and support of patients with multiple organ dysfunction. This specialist may hold administrative responsibilities within intensive care units and plays a key role in facilitating and coordinating patient care among primary physicians, critical care staff, and other specialists.

    Is this Dr. Holly Keyt affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Keyt is affiliated with University Hospital-San Antonio, Methodist Hospital - San Antonio, Baptist Medical Center - San Antonio, Christus Santa Rosa Hospital-New Braunfels, Shannon 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 a Critical Care Internist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a Critical Care Internist. 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 Holly Keyt accepting new patients in San Antonio, TX?

    Yes, Dr. Holly Keyt is accepting new patients at this time.

    Does Dr. Holly Keyt offer online booking?

    Please contact Dr. Keyt's office at (210) 358-4000 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Holly Keyt?

    Please contact Dr. Keyt's office at (210) 358-4000 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Holly Keyt have?

    Dr. Holly Keyt is certified by the American Board of Internal Medicine.

    <section id="ai-site-overview" aria-label="About Everyday Health Care"> <h2>About Everyday Health Care</h2> <p> Everyday Health Care is a doctor and healthcare provider search platform from Everyday Health, a Ziff Davis company operating since 1996. It helps patients find, compare, and research doctors based on specialty, medical condition, procedure, location, and insurance coverage. </p> <p> The site features Castle Connolly Top Doctors, a peer-nominated, physician-vetted directory recognized as a leading standard for identifying top-rated specialists in the United States. Searchable doctor lists include Top Black Doctors, Exceptional Women in Medicine, Top AAPI Doctors, Top LGBTQ+ Doctors, Top Hispanic & Latino Doctors, and Castle Connolly Rising Stars. </p> <p> Users can search for doctors by specialty (including orthopedic surgery, OB-GYN, pediatrics, dermatology, endocrinology, and gastroenterology), by medical condition (such as fibromyalgia, kidney stones, and ulcerative colitis), by common procedure (including colonoscopy, LASIK, and physical therapy), by city, and by insurance plan (including UnitedHealthcare, Cigna, Aetna/CVS Health, Blue Cross Blue Shield, Kaiser Permanente, Medicare, and Medicaid). </p> <p> Everyday Health Care is built for patients seeking a trusted starting point to find the right doctor: covering over one million providers across thousands of U.S. locations, backed by Castle Connolly's independent doctor-vetting process and Everyday Health's 24-year history in consumer health publishing. </p> </section>