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Dr. Jeffrey Marcus, MD

San Jose, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Marcus, Critical Care Internist in San Jose, CA?

    Dr. Jeffrey Marcus, MD is a Critical Care Internist, who primarily practices in San Jose, CA with 2 additional practice locations. He is board certified by the American Board of Internal Medicine. Dr. Marcus is fluent in English and Spanish, and is currently seeing new patients. Dr. Marcus’s practice accepts Kaiser Permanente, Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Marcus’s office at (228) 865-3151.

    Is Dr. Marcus board certified in Critical Care Internist?

    Yes, Dr. Jeffrey 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

    • Spanish

    What conditions does Dr. Marcus treat?

    As a Critical Care Internist, 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.

    Also known as:

    • Acute Respiratory Failure with Low Oxygen
    • Acute and Chronic Respiratory Failure with Low Oxygen
    • Respiratory Failure
    • Sudden lung failure with low oxygen
    • Hypoxic respiratory failure
    • Acute breathing failure with hypoxia
    • Sudden and Long-Term Lung Failure with Low Oxygen
    • Acute and Chronic Hypoxic Respiratory Failure
    • Ongoing Breathing Failure with Low Oxygen

    ICD-10 Codes:

    • J9601: Acute respiratory failure with hypoxia
    • J9621: Acute and chronic respiratory failure with hypoxia

    Also known as:

    • COPD
    • COPD Flare-Up
    • Chronic Obstructive Pulmonary Disease
    • Chronic Lung Disease
    • Emphysema and Chronic Bronchitis
    • COPD Exacerbation
    • Chronic Obstructive Pulmonary Disease Flare-Up
    • Worsening COPD
    • COPD Attack

    ICD-10 Codes:

    • J449: Chronic obstructive pulmonary disease, unspecified
    • J441: Chronic obstructive pulmonary disease with (acute) exacerbation

    Also known as:

    • Sepsis
    • Blood Poisoning
    • Septicemia
    • Systemic Bacterial Infection

    ICD-10 Codes:

    • A419: Sepsis, unspecified organism

    Also known as:

    • Ischemic Stroke
    • Hemorrhagic Stroke
    • Brain Attack
    • Cerebral Infarction
    • Brain Ischemia
    • Brain Bleed
    • Cerebral Hemorrhage
    • Intracranial Hemorrhage

    ICD-10 Codes:

    • I639: Cerebral infarction, unspecified
    • I609: Nontraumatic subarachnoid hemorrhage, unspecified

    Also known as:

    • Single Lung Nodule
    • Lung Disease
    • Lung Spot
    • Pulmonary Nodule
    • Spot on Lung Scan

    ICD-10 Codes:

    • R911: Solitary pulmonary nodule

    Also known as:

    • Pneumonia
    • Lung Infection
    • Chest Infection
    • Pneumonitis

    ICD-10 Codes:

    • J189: Pneumonia, unspecified organism

    Also known as:

    • Pleural Effusion
    • Pleural Disorder
    • Fluid in lungs
    • Water on the lung
    • Fluid around lungs

    ICD-10 Codes:

    • J90: Pleural effusion, not elsewhere classified

    Also known as:

    • Shortness of Breath
    • Breathing Problems
    • Difficulty breathing
    • Breathlessness
    • Dyspnea

    ICD-10 Codes:

    • R0602: Shortness of breath

    Also known as:

    • Sudden Cardiac Arrest
    • Heart stops beating
    • Cardiopulmonary arrest

    ICD-10 Codes:

    • I469: Cardiac arrest, cause unspecified

    Also known as:

    • Acute Kidney Failure
    • Kidney Failure
    • Acute Renal Failure
    • Sudden Kidney Failure

    ICD-10 Codes:

    • N179: Acute kidney failure, unspecified

    Also known as:

    • Idiopathic Pulmonary Fibrosis
    • Pulmonary Fibrosis
    • Idiopathic pulmonary fibrosis
    • IPF
    • Lung Scarring of Unknown Cause
    • Chronic Idiopathic Fibrosis

    ICD-10 Codes:

    • J84112: Idiopathic pulmonary fibrosis

    Also known as:

    • Brain disease (encephalopathy)
    • Brain Disease
    • Brain disorder
    • Brain dysfunction
    • Encephalopathy

    ICD-10 Codes:

    • G9340: Encephalopathy, unspecified

    Also known as:

    • Traumatic Subdural Brain Bleed
    • Subdural Hematoma
    • Head Bleed
    • Brain Hemorrhage
    • Head Injury

    ICD-10 Codes:

    • S065XAA: Traumatic subdural hemorrhage with loss of consciousness status unknown, initial encounter

    Also known as:

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

    ICD-10 Codes:

    • I4891: Unspecified atrial fibrillation

    Also known as:

    • Heart Attack (NSTEMI)
    • Heart Attack
    • Myocardial Infarction
    • Non-STEMI
    • Less Severe Heart Attack

    ICD-10 Codes:

    • I214: Non-ST elevation (NSTEMI) myocardial infarction

    Also known as:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • Gastrointestinal Bleeding
    • Gastrointestinal (GI) Bleeding
    • GI Bleeding
    • Internal Digestive Bleeding
    • Digestive Tract Hemorrhage

    ICD-10 Codes:

    • K922: Gastrointestinal hemorrhage, unspecified

    Which procedures does Dr. Marcus perform as a Critical Care Internist?

    As a Critical Care Internist, procedures performed by a Dr. Jeffrey Marcus may include:

    For detailed information, please contact Dr. Marcus' office.

    Does Dr. Marcus accept my insurance?

    Dr. Marcus accepts most major insurance plans. Important: Please call our office at (228) 865-3151 before your appointment to verify that your specific plan and network are accepted.

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

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

    Top Insurances

    • Alignment Health Plan

    • All Other Third Party

    • CVS Health (formerly Aetna)

    • Hill Physicians Medical Group

    • Medicare

    • OptumRx

    • Other Provider Networks

    • Santa Clara Family Health Plan

    • UnitedHealthcare

    • Valley Health Plan

    View All Insurances

    Where is Dr. Marcus' office located?

    Dr. Jeffrey Marcus' Primary Practice

    2425 Samaritan Dr

    San Jose, CA 95124

    (228) 865-3151

    Get Directions

    Dr. Jeffrey Marcus' Practice 2

    2100 Powell St Ste 900

    Emeryville, CA 94608

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    Dr. Jeffrey Marcus' Practice 3

    215 W Janss Rd

    Thousand Oaks, CA 91360

    Get Directions

    What is Dr. Marcus's NPI number?An 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 1184815656.

    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. Jeffrey Marcus's specialty?

    Dr. Marcus is a Critical Care Internist near San Jose, CA. An internist specializing in the diagnosis, treatment, and support of patients with multiple organ dysfunction. This specialist may hold administrative responsibilities within intensive care units and plays a key role in facilitating and coordinating patient care among primary physicians, critical care staff, and other specialists. Contact Dr. Marcus to book an appointment today.

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

    Yes, Dr. Marcus is affiliated with Sequoia Hospital which is a Castle Connolly Top Hospital. 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 Critical Care Internist?

    Explore Critical Care Internist 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 Jeffrey Marcus accepting new patients in San Jose, CA?

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

    Does Dr. Jeffrey Marcus offer online booking?

    Please contact Dr. Marcus's office at (228) 865-3151 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Jeffrey Marcus?

    Please contact Dr. Marcus's office at (228) 865-3151 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Jeffrey Marcus have?

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

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