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Dr. Gregory Marcus, MD

Dr. Gregory Marcus, MD

Clinical Cardiac Electrophysiologist, Internist, Cardiologist

San Francisco, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Marcus, Clinical Cardiac Electrophysiologist in San Francisco, CA?

    Dr. Gregory Marcus, MD is a Clinical Cardiac Electrophysiologist, who primarily practices in San Francisco, CA. He is board certified. Dr. Marcus completed his residency at Stanford Hospital and Clinics. Dr. Marcus is fluent in English, and is currently seeing new patients. Dr. Marcus’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Marcus’s office at (415) 353-8870.

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

    • Fellowship: Ucsf Med Center | UCSF Medical Center, Cardiac Electrophysiology

    • Residency: Stanford Hospital and Clinics | Ucsf Med Center

    Is Dr. Marcus board certified as a Clinical Cardiac Electrophysiologist?

    Yes, Dr. Gregory Marcus, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Marcus speak?

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

    • English

    What conditions does a Clinical Cardiac Electrophysiologist like Dr. Marcus typically treat?

    As a Clinical Cardiac Electrophysiologist, Dr. Marcus 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. Marcus. 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:

    • Having a Pacemaker
    • Having an Implantable Cardiac Defibrillator (ICD)
    • Pacemakers and Implantable Defibrillators
    • Heart pacemaker
    • Artificial pacemaker
    • Implanted heart device
    • ICD implant
    • Automatic defibrillator
    • Implanted heart shock device

    ICD-10 Codes:

    • Z950: Presence of cardiac pacemaker
    • Z95810: Presence of automatic (implantable) cardiac defibrillator

    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:

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

    ICD-10 Codes:

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

    Also known as:

    • Chest Pain
    • Chest discomfort
    • Thoracic pain
    • Pectoral pain

    ICD-10 Codes:

    • R0789: Other chest pain

    Also known as:

    • Other Pacemaker Part Management
    • Pacemakers and Implantable Defibrillators
    • Pacemaker Lead Adjustment
    • Pacemaker Component Care
    • Cardiac Pacing Device Adjustment

    ICD-10 Codes:

    • Z45018: Encounter for adjustment and management of other part of cardiac pacemaker

    What procedures does a Clinical Cardiac Electrophysiologist like Dr. Marcus typically perform?

    As a Clinical Cardiac Electrophysiologist, procedures performed by Dr. Gregory Marcus may include:

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

    Does Dr. Marcus accept my insurance?

    Dr. Marcus accepts most major insurance plans. Important: Please call our office at (415) 353-8870 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Marcus accept in San Francisco, CA?

    Dr. Marcus in San Francisco, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Centene Corporation

    • Community Health Network of Washington

    • CVS Health (formerly Aetna)

    • Health Plan of San Joaquin

    • Hill Physicians Medical Group

    • Medicare

    • Molina Healthcare

    • Other Health Care Provider

    • Other Provider Networks

    • UnitedHealth Group

    View All Insurances

    Where is Dr. Marcus' office located?

    Mcb300

    400 Parnassus Ave # 300

    San Francisco, CA 94143

    (415) 353-8870

    Get Directions

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

    Dr. Marcus's National Provider Identifier (NPI) number is 1891720579.

    What common questions do patients ask about Dr. Marcus?

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

    What is Dr. Gregory Marcus's specialty?

    Dr. Marcus is a Clinical Cardiac Electrophysiologist near San Francisco, CA.

    What does a Clinical Cardiac Electrophysiologist do?

    A specialized domain within the cardiovascular disease subspecialty of Internal Medicine that involves advanced technical procedures to evaluate heart rhythms and determine the most appropriate treatments.

    Is Dr. Gregory Marcus affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Marcus is affiliated with Ucsf Medical Center At Parnassus, Sutter Tracy Community 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 a Clinical Cardiac Electrophysiologist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a Clinical Cardiac Electrophysiologist. 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. Gregory Marcus accepting new patients in San Francisco, CA?

    Yes, Dr. Gregory Marcus is accepting new patients at this time.

    Does Dr. Gregory Marcus offer online booking?

    Please contact Dr. Marcus' office at (415) 353-8870 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dr. Gregory Marcus?

    Please contact Dr. Marcus' office at (415) 353-8870 to schedule an appointment.

    Where is Dr. Marcus' office located?

    Dr. Marcus' office is located in San Francisco, CA.

    Which board certifications does Dr. Gregory Marcus have?

    Dr. Gregory Marcus is certified by the American Board of Internal Medicine.