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Dr. Gus Theodos, MD

Interventional Cardiologist, Cardiologist

Saint Louis, MO

16 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Theodos, Interventional Cardiologist in Saint Louis, MO?

    Dr. Gus Theodos, MD is an Interventional Cardiologist, who primarily practices in Saint Louis, MO with 2 additional practice locations. He has been practicing for over 16 years and is board certified. Dr. Theodos is fluent in English, and is currently seeing new patients. Dr. Theodos’s practice accepts Medicare, Aetna, Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Theodos’s office at (314) 996-7272.

    What are Areas of Expertise for Dr. Theodos?

    Dr. Gus Theodos, MD is a highly-rated, board-certified Interventional Cardiologist known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Theodos empowers patients to confidently navigate their health journey, specializing in Cardiac Catheterization, Coronary Angioplasty/Stents, Structural Heart Disease, and comprehensive wellness support. Serving the Saint Louis, MO community, Dr. Theodos is dedicated to enhancing lives through expert, patient-centered care.

    Is Dr. Theodos board certified as an Interventional Cardiologist?

    Yes, Dr. Gus Theodos, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Theodos speak?

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

    • English

    What conditions does an Interventional Cardiologist like Dr. Theodos typically treat?

    As an Interventional Cardiologist, Dr. Theodos 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. Theodos. 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.

    Also known as:

    • Narrowed Aortic Valve
    • Heart Valve Disease
    • Aortic Valve Stenosis
    • Tight Aortic Valve

    ICD-10 Codes:

    • I350: Nonrheumatic aortic (valve) stenosis

    Also known as:

    • Hardening of the Arteries in the Heart without Chest Pain
    • Atherosclerosis
    • Coronary Artery Disease
    • Silent Coronary Artery Disease
    • Asymptomatic Atherosclerosis

    ICD-10 Codes:

    • I2510: Atherosclerotic heart disease of native coronary artery without angina pectoris

    Also known as:

    • Having a Prosthetic Heart Valve
    • Having an Animal Tissue Heart Valve
    • Heart Valve Disease
    • Artificial heart valve
    • Mechanical heart valve
    • Bioprosthetic valve
    • Bioprosthetic heart valve
    • Tissue heart valve
    • Animal valve implant

    ICD-10 Codes:

    • Z952: Presence of prosthetic heart valve
    • Z953: Presence of xenogenic heart valve

    Also known as:

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

    ICD-10 Codes:

    • I480: Paroxysmal atrial fibrillation

    What procedures does an Interventional Cardiologist like Dr. Theodos typically perform?

    As an Interventional Cardiologist, procedures performed by Dr. Gus Theodos may include:

    Please contact Dr. Theodos' office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.

    Does Dr. Theodos accept my insurance?

    Dr. Theodos accepts most major insurance plans. Important: Please call our office at (314) 996-7272 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Theodos accept in Saint Louis, MO?

    Dr. Theodos in Saint Louis, MO accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Aetna

    • Blue Cross Blue Shield of Michigan

    • Cigna Group

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Medicare

    • Mutual of Omaha

    • Other Health Care Provider

    • State of Illinois

    • UnitedHealth Group

    View All Insurances

    Where is Dr. Theodos' office located?

    Dr. Gus Theodos' Primary Practice

    3023 N Ballas Rd Ste 200D

    Saint Louis, MO 63131

    (314) 996-7272

    Get Directions

    Dr. Gus Theodos' Practice 2

    3844 S Lindbergh Blvd Ste 125

    Saint Louis, MO 63127

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    Dr. Gus Theodos' Practice 3

    1110 Highlands Plaza Dr E

    Saint Louis, MO 63110

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

    Dr. Theodos's National Provider Identifier (NPI) number is 1053401422.

    What common questions do patients ask about Dr. Theodos?

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

    What is Dr. Gus Theodos's specialty?

    Dr. Theodos is an Interventional Cardiologist near Saint Louis, MO.

    What does an Interventional Cardiologist do?

    A branch of medicine within cardiology that employs advanced imaging and diagnostic techniques to assess blood flow and pressure in the coronary arteries and heart chambers. This specialty also utilizes technical procedures and medications to address abnormalities that affect cardiovascular function.

    Is Dr. Gus Theodos affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Theodos is affiliated with Missouri Baptist Medical Center 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

    When to see an Interventional Cardiologist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see an Interventional Cardiologist. 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 Dr. Gus Theodos accepting new patients in Saint Louis, MO?

    Yes, Dr. Gus Theodos is accepting new patients at this time.

    Does Dr. Gus Theodos offer online booking?

    Please contact Dr. Theodos' office at (314) 996-7272 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dr. Gus Theodos?

    Please contact Dr. Theodos' office at (314) 996-7272 to schedule an appointment.

    Where is Dr. Theodos' office located?

    Dr. Theodos' office is located in Saint Louis, MO.

    Which board certifications does Dr. Gus Theodos have?

    Dr. Gus Theodos is certified by the American Board of Internal Medicine.