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Dr. Michael Johnstone, MD

Dr. Michael Johnstone, MD

Lawrence, MA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Johnstone, Cardiologist in Lawrence, MA?

    Dr. Michael Johnstone, MD is a Cardiologist, who primarily practices in Lawrence, MA with 2 additional practice locations. He is board certified. Dr. Johnstone graduated from McGill University Faculty of Medicine and completed his residency at Montreal Gen Hosp, Internal Medicine. Dr. Johnstone is fluent in English and French, and is currently seeing new patients. Dr. Johnstone’s practice accepts Medicaid, Medicare, Aetna, Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Johnstone’s office at (617) 789-3047.

    What are Areas of Expertise for Dr. Johnstone?

    Dr. Michael Johnstone, 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. Johnstone empowers patients to confidently navigate their health journey, specializing in Cardiac Imaging, Coronary Artery Disease, Diabetes & Heart Disease, or comprehensive wellness support. Serving the Lawrence/MA community, Dr. Johnstone is dedicated to enhancing lives through expert, patient-centered care.

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

    • Fellowship: McGill University, Canada, Fellow:Cardiology | Montreal Heart Institute, Fellow:Cardiology | Brigham & Women's Hospital, Research Fellow:Cardiology

    • Residency: Montreal Gen Hosp, Internal Medicine | Montreal General Hospital | Montreal General Hospital | Montreal Children's Hospital

    • Medical School: Mc Gill Univ- Fac Of Med- Montreal- Que- Canada | McGill University Faculty of Medicine

    Is Dr. Johnstone board certified as a Cardiologist?

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

    What languages does Dr. Johnstone speak?

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

    • English

    • French

    What conditions does Dr. Johnstone treat?

    As a Cardiologist, Dr. Johnstone 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. Johnstone. 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:

    • 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:

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

    ICD-10 Codes:

    • I4891: Unspecified atrial fibrillation
    • I480: Paroxysmal atrial fibrillation
    • R002: Palpitations

    Also known as:

    • Narrowed Aortic Valve
    • Leaky Mitral Valve
    • Heart Valve Disease
    • Aortic Valve Stenosis
    • Tight Aortic Valve
    • Mitral Valve Insufficiency
    • Mitral Regurgitation

    ICD-10 Codes:

    • I350: Nonrheumatic aortic (valve) stenosis
    • I340: Nonrheumatic mitral (valve) insufficiency

    Also known as:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    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:

    • Rheumatic Disease of Multiple Heart Valves
    • Heart Valve Disease
    • Streptococcal Infection
    • Rheumatic Polyvalvular Disease
    • Rheumatic Fever Affecting All Heart Valves

    ICD-10 Codes:

    • I083: Combined rheumatic disorders of mitral, aortic and tricuspid valves

    Which procedures does Dr. Johnstone perform as a Cardiologist?

    As a Cardiologist, procedures performed by Dr. Michael Johnstone may include:

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

    Does Dr. Johnstone accept my insurance?

    Dr. Johnstone accepts most major insurance plans. Important: Please call our office at (617) 789-3047 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Johnstone accept in Lawrence, MA?

    Dr. Johnstone in Lawrence, MA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • BCBS Unspecified

    • Blue Cross Blue Shield of Massachusetts

    • BMC Health System

    • CVS Health (formerly Aetna)

    • Medicaid

    • Medicare

    • Molina Healthcare

    • Point32Health

    • UnitedHealth Group

    • Unknown

    View All Insurances

    Where is Dr. Johnstone's office located?

    Dr. Michael Johnstone's Primary Practice

    100 Amesbury St Ste 103

    Lawrence, MA 01840

    (617) 789-3047

    Get Directions

    Dr. Michael Johnstone's Practice 2

    736 Cambridge St

    Brighton, MA 02135

    Get Directions

    Dr. Michael Johnstone's Practice 3

    11 Nevins St Ste 201

    Brighton, MA 02135

    Get Directions

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

    Dr. Johnstone's National Provider Identifier (NPI) number is 1235164336.

    What common questions do patients ask about Dr. Johnstone?

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

    What is Dr. Michael Johnstone's specialty?

    Dr. Johnstone is a Cardiologist near Lawrence, 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. Johnstone to book an appointment today.

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

    Yes, Dr. Johnstone is affiliated with Boston Medical Center - Brighton, Beth Israel Deaconess Medical Center-Boston 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 Johnstone accepting new patients in Lawrence, MA?

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

    Does Dr. Michael Johnstone offer online booking?

    Please contact Dr. Johnstone's office at (617) 789-3047 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Michael Johnstone?

    Please contact Dr. Johnstone's office at (617) 789-3047 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Michael Johnstone have?

    Dr. Michael Johnstone 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>