EverydayHealthLogo
PJ

Dr. Peter Johnston, MD

Baltimore, MD

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Johnston, Interventional Cardiologist in Baltimore, MD?

    Dr. Peter Johnston, MD is an Interventional Cardiologist, who primarily practices in Baltimore, MD with 1 additional practice location. He is board certified. Dr. Johnston is fluent in English, and is currently seeing new patients. Dr. Johnston’s practice accepts Kaiser Permanente, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Johnston’s office at (410) 502-0550.

    Is Dr. Johnston board certified as an Interventional Cardiologist?

    Yes, Dr. Peter Johnston, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Johnston speak?

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

    • English

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

    As an Interventional Cardiologist, Dr. Johnston 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. Johnston. 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:

    • Abnormal EKG
    • Heart Health Tests
    • Irregular Electrocardiogram
    • Unusual Heart Rhythm Test
    • ECG Abnormalities

    ICD-10 Codes:

    • R9431: Abnormal electrocardiogram [ECG] [EKG]

    Also known as:

    • Fast Heartbeat
    • Arrhythmia
    • Tachycardia
    • Rapid heart rate
    • Racing heart

    ICD-10 Codes:

    • R000: Tachycardia, unspecified

    Also known as:

    • Past Heart Attack
    • Heart Attack
    • Previous Heart Attack
    • Old Myocardial Infarction
    • Prior Heart Attack

    ICD-10 Codes:

    • I252: Old myocardial infarction

    Also known as:

    • Enlarged Heart
    • Heart Disease
    • Cardiomegaly
    • Big heart
    • Heart enlargement

    ICD-10 Codes:

    • I517: Cardiomegaly

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

    As an Interventional Cardiologist, procedures performed by Dr. Peter Johnston may include:

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

    Does Dr. Johnston accept my insurance?

    Dr. Johnston accepts most major insurance plans. Important: Please call our office at (410) 502-0550 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Johnston accept in Baltimore, MD?

    Dr. Johnston in Baltimore, MD 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 Michigan

    • Cigna Group

    • CVS Health (formerly Aetna)

    • Kaiser Permanente

    • Medicare

    View All Insurances

    Where is Dr. Johnston's office located?

    Dr. Peter Johnston's Primary Practice

    600 N Wolfe St

    Baltimore, MD 21287

    (410) 502-0550

    Get Directions

    Dr. Peter Johnston's Practice 2

    4940 Eastern Ave

    Baltimore, MD 21224

    Get Directions

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

    Dr. Johnston's National Provider Identifier (NPI) number is 1629128830.

    What common questions do patients ask about Dr. Johnston?

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

    What is Dr. Peter Johnston's specialty?

    Dr. Johnston is a Interventional Cardiologist near Baltimore, MD.

    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 this Dr. Peter Johnston affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Johnston is affiliated with The Johns Hopkins Hospital, Johns Hopkins Howard County Medical Center, Frederick Health Hospital 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 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 Peter Johnston accepting new patients in Baltimore, MD?

    Yes, Dr. Peter Johnston is accepting new patients at this time.

    Does Dr. Peter Johnston offer online booking?

    Please contact Dr. Johnston's office at (410) 502-0550 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Peter Johnston?

    Please contact Dr. Johnston's office at (410) 502-0550 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Peter Johnston have?

    Dr. Peter Johnston is certified by the American Board of Internal Medicine.

    Other Interventional Cardiologist Near Baltimore, MD

    JR

    Interventional Cardiologist

    acceptingPatients-iconAccepting patients
    Baltimore, MD
    AG

    Interventional Cardiologist

    acceptingPatients-iconAccepting patients
    Baltimore, MD
    Dr. Chao-Wei Hwang, MD, PHD

    Interventional Cardiologist

    acceptingPatients-iconAccepting patients
    Baltimore, MD
    See All Specialists

    Doctors by Category

    Specialists