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Dr. Michael Brennan, MD

Cardiologist

Sheridan, WY

Accepting patients

    Who is Dr. Brennan, Cardiologist in Sheridan, WY?

    Dr. Michael Brennan, MD is a Cardiologist, who primarily practices in Sheridan, WY. He is board certified. Dr. Brennan completed his residency at Ami Presby Denver Hosp, Internal Medicine. Dr. Brennan is fluent in English, and is currently seeing new patients. Dr. Brennan’s practice accepts Medicare, Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Brennan’s office at (307) 675-2649.

    Where did Dr. Brennan go to medical school and complete their residency?

    • Residency: Ami Presby Denver Hosp, Internal Medicine

    • Medical School: University of Ok Coll of Med, Oklahoma City Ok

    Is Dr. Brennan board certified as a Cardiologist?

    Yes, Dr. Michael Brennan, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Brennan speak?

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

    • English

    What conditions does a Cardiologist like Dr. Brennan typically treat?

    As a Cardiologist, Dr. Brennan 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. Brennan. 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:

    • Atrial Fibrillation
    • Heart Palpitations
    • Arrhythmia
    • Afib
    • A-fib
    • Irregular heart rhythm
    • Skipped Heartbeat
    • Fluttering Heart
    • Pounding Heart

    ICD-10 Codes:

    • I4891: Unspecified atrial fibrillation
    • R002: Palpitations

    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:

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

    ICD-10 Codes:

    • R079: Chest pain, unspecified

    What procedures does a Cardiologist like Dr. Brennan typically perform?

    As a Cardiologist, Dr. Brennan 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. Brennan. 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:

    • Dual-Chamber Pacemaker Insertion
    • Permanent Pacemaker Placement
    • Atrial and Ventricular Pacemaker
    • Heart Rhythm Device Implantation

    CPT Codes:

    • 33208: Insertion of new or replacement of permanent pacemaker with transvenous electrode(s); atrial and ventricular

    Also known as:

    • Implantable Defibrillator Placement
    • ICD insertion
    • Permanent defibrillator implant
    • Heart defibrillator replacement
    • Transvenous defibrillator system

    CPT Codes:

    • 33249: Insertion or replacement of permanent implantable defibrillator system, with transvenous lead(s), single or dual chamber

    Also known as:

    • Left Ventricle Pacing Lead Insertion
    • Cardiac Pacing Electrode Placement
    • LV Lead Insertion
    • Pacemaker Upgrade Lead

    CPT Codes:

    • 33225: Insertion of pacing electrode, cardiac venous system, for left ventricular pacing, at time of insertion of implantable defibrillator or pacemaker pulse generator (eg, for upgrade to dual chamber system) (List separately in addition to code for primary procedure)

    Also known as:

    • Pacemaker Battery Replacement (Dual Lead)
    • Pacemaker Generator Exchange
    • Dual Lead Pacemaker Replacement
    • Heart Pacemaker Battery Change
    • Pacemaker Pulse Generator Replacement

    CPT Codes:

    • 33228: Removal of permanent pacemaker pulse generator with replacement of pacemaker pulse generator; dual lead system

    Does Dr. Brennan accept my insurance?

    Dr. Brennan accepts most major insurance plans. Important: Please call our office at (307) 675-2649 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Brennan accept in Sheridan, WY?

    Dr. Brennan in Sheridan, WY accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Allied Benefit Systems

    • Assurant

    • Blue Cross Blue Shield

    • Blue Cross Blue Shield of Wyoming

    • Cigna Group

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Federal government of the United States

    • Humana

    • Medicare

    View All Insurances

    Where is Dr. Brennan's office located?

    Dr. Michael Brennan's Primary Practice

    1333 W 5th St

    Sheridan, WY 82801

    (307) 675-2649

    Get Directions

    What hospitals are Dr. Brennan affiliated with?

    Dr. Brennan has admitting privileges at the following hospitals:

    Sheridan Memorial Hospital - Sheridan, WY,Sheridan, WY

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

    Dr. Brennan's National Provider Identifier (NPI) number is 1619903705.

    What common questions do patients ask about Dr. Brennan?

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

    What is Dr. Michael Brennan's specialty?

    Dr. Brennan is a Cardiologist near Sheridan, WY.

    What does a Cardiologist do?

    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.

    Is Dr. Michael Brennan affiliated with a ranked Castle Connolly Top Hospital?

    No, Dr. Brennan is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Sheridan Memorial Hospital - Sheridan, WY. Castle Connolly Top Hospitals 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 Cardiologist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a 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. Michael Brennan accepting new patients in Sheridan, WY?

    Yes, Dr. Michael Brennan is accepting new patients at this time.

    Does Dr. Michael Brennan offer online booking?

    Please contact Dr. Brennan's office at (307) 675-2649 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dr. Michael Brennan?

    Please contact Dr. Brennan's office at (307) 675-2649 to schedule an appointment.

    Where is Dr. Brennan's office located?

    Dr. Brennan's office is located in Sheridan, WY.

    Which board certifications does Dr. Michael Brennan have?

    Dr. Michael Brennan is certified by the American Board of Internal Medicine.