Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Kiernan, Cardiologist in Boston, MA?
Dr. Michael Kiernan, MD is a Cardiologist, who primarily practices in Boston, MA with 2 additional practice locations. He is board certified by the American Board of Internal Medicine. Dr. Kiernan graduated from University of Connecticut School of Medicine and completed his residency at Duke University Medical Center. Dr. Kiernan is fluent in English and Spanish, and is currently seeing new patients. Dr. Kiernan’s practice accepts Medicare, UnitedHealthcare, Aetna, Cigna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Kiernan’s office.
What are Areas of Expertise for Dr. Kiernan?
Dr. Michael Kiernan, MD is a highly-rated, board-certified Cardiologist known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Kiernan empowers patients to confidently navigate their health journey, specializing in Heart Failure, Ventricular Assist Device (LVAD), or comprehensive wellness support. Serving the Boston/MA community, Dr. Kiernan is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Kiernan go to medical school and complete their residency?
Fellowship: Tufts Medical Center, Fellow:Cardiovascular Diseases
Residency: Duke University Medical Center
Medical School: University of Connecticut School of Medicine
Is Dr. Kiernan board certified in Cardiologist?
Yes, Dr. Michael Kiernan, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Kiernan speak?
Dr. Kiernan and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does Dr. Kiernan treat?
As a Cardiologist, Dr. Kiernan 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. Kiernan. 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:
- Chronic Systolic Heart Failure
- Worsening Chronic Systolic Heart Failure
- Heart Failure
- Systolic Heart Failure
- Long-term Systolic Heart Failure
- Chronic HFrEF
- Ongoing Pumping Heart Failure
- Acute Decompensated HFrEF
- Sudden Worsening Heart Failure
- Acute on Chronic Pumping Heart Failure
- Congestive Heart Failure
- CHF
- Cardiac Insufficiency
- Heart Failure with Reduced Ejection Fraction
- HFrEF
- Pumping Heart Failure
ICD-10 Codes:
- I5022: Chronic systolic (congestive) heart failure
- I5023: Acute on chronic systolic (congestive) heart failure
- I509: Heart failure, unspecified
- I5020: Unspecified systolic (congestive) heart failure
Also known as:
- Arrhythmia
- Other Heart Rhythm Disorder
- Atrial Fibrillation
- Fast Heartbeat
- Heart Palpitations
- Irregular heartbeat
- Heart rhythm disorder
- Cardiac dysrhythmia
- Cardiac Dysrhythmia
- Irregular Heartbeat
- Heart Rhythm Problems
- Afib
- A-fib
- Irregular heart rhythm
- Tachycardia
- Rapid heart rate
- Racing heart
- Skipped Heartbeat
- Fluttering Heart
- Pounding Heart
ICD-10 Codes:
- I499: Cardiac arrhythmia, unspecified
- I498: Other specified cardiac arrhythmias
- I4891: Unspecified atrial fibrillation
- R000: Tachycardia, unspecified
- R002: Palpitations
Also known as:
- Other Cardiomyopathies
- Ischemic Cardiomyopathy
- Hypertrophic Cardiomyopathy
- Cardiomyopathy
- Uncommon heart muscle diseases
- Rare cardiomyopathy types
- Heart Muscle Disease from Blocked Arteries
- Ischemic Heart Muscle Weakness
- HCM
- Thickened Heart Muscle
ICD-10 Codes:
- I428: Other cardiomyopathies
- I255: Ischemic cardiomyopathy
- I422: Other hypertrophic cardiomyopathy
Also known as:
- Having a Heart Transplant
- Heart Transplantation
- Cardiac transplant
- Heart replacement surgery
- Post-heart transplant
ICD-10 Codes:
- Z941: Heart transplant status
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:
- Cardiogenic Shock
- Shock
- Heart-related shock
- Cardiac shock
- Circulatory collapse from heart
ICD-10 Codes:
- R570: Cardiogenic shock
Also known as:
- Having a Heart Assist Device
- Ventricular assist device (VAD)
- Artificial heart pump
- Cardiac support device
ICD-10 Codes:
- Z95811: Presence of heart assist device
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:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- Pre-Procedure Heart Examination
- Pre-Surgery Cardiac Checkup
- Heart Health Assessment (Before Procedure)
- Cardiovascular Clearance Exam
ICD-10 Codes:
- Z01810: Encounter for preprocedural cardiovascular examination
Which procedures does Dr. Kiernan perform as a Cardiologist?
As a Cardiologist, procedures performed by a Dr. Michael Kiernan may include:
- Absent Pulmonary Valve Repair
- Anomalous Coronary Artery Angiography
- Anticoagulation Management
- Aortic Stenosis Repair
- Aortic Valve Repair / Replacement
- Aortopulmonary Window Repair
- Arterial Doppler
- Balloon Septostomy
For detailed information, please contact Dr. Kiernan's office.
Does Dr. Kiernan accept my insurance?
Dr. Kiernan accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Kiernan accept in Boston, MA?
Dr. Kiernan in Boston, MA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Blue Cross Blue Shield of Massachusetts
Boston Medical Center
CVS Health (formerly Aetna)
Medicare
Neighborhood Health Plan (RI)
OptumRx
Point32Health
State of Massachusetts
UnitedHealthcare
View All Insurances
Where is Dr. Kiernan's office located?
Recognitions
Castle Connolly Doctor’s Choice Awards
Doctor’s Choice - 2025
Among the most nominated for the Castle Connolly Top Doctor recognition in 2025
Awards
Department of Medicine, Tufts Medical Center
Teaching Award
Tufts Medical Center
Chief Cardiology Fellow
Excellence in Medicine Award,
University of Connecticut School of Medicine
What is Dr. Kiernan's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Kiernan's National Provider Identifier (NPI) number is 1891985933.
What common questions do patients ask about Dr. Kiernan?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Kiernan
What is Dr. Michael Kiernan's specialty?
Dr. Kiernan is a Cardiologist near Boston, MA. 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. Kiernan to book an appointment today.
Is this Dr. Michael Kiernan affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Kiernan is affiliated with Tufts Medical Center, UMass Memorial 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
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 Michael Kiernan accepting new patients in Boston, MA?
Yes, Dr. Michael Kiernan is accepting new patients at this time.
Does Dr. Michael Kiernan offer online booking?
Please contact Dr. Kiernan's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Michael Kiernan?
Please contact Dr. Kiernan's office for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Michael Kiernan have?
Dr. Michael Kiernan is certified by the American Board of Internal Medicine.
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