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Dr. Connor O'brien, MD

San Francisco, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. O'brien, Critical Care Internist in San Francisco, CA?

    Dr. Connor O'brien, MD is a Critical Care Internist, who primarily practices in San Francisco, CA with 2 additional practice locations. He is board certified. Dr. O'brien is fluent in English, and is currently seeing new patients. Dr. O'brien’s practice accepts Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. O'brien’s office at (415) 353-2528.

    What languages does Dr. O'brien speak?

    Dr. O'brien and their clinical team can communicate with patients in the following languages:

    • English

    What conditions does Dr. O'brien treat?

    As a Critical Care Internist, Dr. O'brien 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. O'brien. 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:

    • Cardiogenic Shock
    • Shock
    • Heart-related shock
    • Cardiac shock
    • Circulatory collapse from heart

    ICD-10 Codes:

    • R570: Cardiogenic shock

    Also known as:

    • Worsening Chronic Systolic Heart Failure
    • Acute Heart Failure
    • End-Stage Heart Failure
    • Heart Failure
    • Worsening Chronic Right-Sided Heart Failure
    • Acute Decompensated HFrEF
    • Sudden Worsening Heart Failure
    • Acute on Chronic Pumping Heart Failure
    • Sudden heart failure
    • Acute congestive heart failure
    • Sudden cardiac decompensation
    • Advanced heart failure
    • Terminal heart failure
    • Severe heart failure
    • Congestive Heart Failure
    • CHF
    • Cardiac Insufficiency
    • Acute Decompensated Right Heart Failure
    • Sudden Worsening Right Heart Failure
    • Acute on Chronic Cor Pulmonale

    ICD-10 Codes:

    • I5023: Acute on chronic systolic (congestive) heart failure
    • I5021: Acute systolic (congestive) heart failure
    • I5084: End stage heart failure
    • I509: Heart failure, unspecified
    • I50813: Acute on chronic right heart failure

    Also known as:

    • Acute Respiratory Failure with Low Oxygen
    • Respiratory Failure
    • Sudden lung failure with low oxygen
    • Hypoxic respiratory failure
    • Acute breathing failure with hypoxia

    ICD-10 Codes:

    • J9601: Acute respiratory failure with hypoxia

    Also known as:

    • Other Cardiomyopathies
    • Ischemic Cardiomyopathy
    • Cardiomyopathy
    • Uncommon heart muscle diseases
    • Rare cardiomyopathy types
    • Heart Muscle Disease from Blocked Arteries
    • Ischemic Heart Muscle Weakness

    ICD-10 Codes:

    • I428: Other cardiomyopathies
    • I255: Ischemic cardiomyopathy

    Also known as:

    • Pulmonary Hypertension
    • High Blood Pressure in Lungs
    • Lung Hypertension
    • High Lung Pressure

    ICD-10 Codes:

    • I2720: Pulmonary hypertension, unspecified

    Also known as:

    • Heart Attack (NSTEMI)
    • Type 2 Heart Attack
    • Heart Attack of the LAD Artery (STEMI)
    • Heart Attack
    • Myocardial Infarction
    • Non-STEMI
    • Less Severe Heart Attack
    • Type 2 Myocardial Infarction
    • Secondary Heart Attack
    • Widowmaker Heart Attack
    • LAD Myocardial Infarction
    • STEMI Heart Attack

    ICD-10 Codes:

    • I214: Non-ST elevation (NSTEMI) myocardial infarction
    • I21A1: Myocardial infarction type 2
    • I2102: ST elevation (STEMI) myocardial infarction involving left anterior descending coronary artery

    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:

    • Other Heart Device Management
    • Pacemakers and Implantable Defibrillators
    • Implantable Defibrillator Management
    • Cardiac Resynchronization Therapy Device Care
    • Other Implanted Heart Device Care

    ICD-10 Codes:

    • Z4509: Encounter for adjustment and management of other cardiac device

    Also known as:

    • Ventricular Tachycardia
    • Arrhythmia
    • VT
    • V-tach
    • Fast heart rhythm

    ICD-10 Codes:

    • I4720: Ventricular tachycardia, unspecified

    Also known as:

    • Sepsis
    • Blood Poisoning
    • Septicemia
    • Systemic Bacterial Infection

    ICD-10 Codes:

    • A419: Sepsis, unspecified organism

    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

    Which procedures does Dr. O'brien perform as a Critical Care Internist?

    As a Critical Care Internist, procedures performed by a Dr. Connor O'brien may include:

    For detailed information, please contact Dr. O'brien's office.

    Does Dr. O'brien accept my insurance?

    Dr. O'brien accepts most major insurance plans. Important: Please call our office at (415) 353-2528 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. O'brien accept in San Francisco, CA?

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

    Top Insurances

    • Alameda Alliance

    • All Other Third Party

    • Centene

    • Central California Alliance for Health

    • Elevance Health Inc. (formerly Anthem)

    • Health Plan of San Joaquin

    • Hill Physicians Medical Group

    • OptumRx

    • Other Health Care Provider

    • UnitedHealthcare

    View All Insurances

    Where is Dr. O'brien's office located?

    Dr. Connor O'brien's Primary Practice

    505 Parnassus Ave

    San Francisco, CA 94143

    (415) 353-2528

    Get Directions

    Dr. Connor O'brien's Practice 2

    535 Mission Bay Blvd S

    San Francisco, CA 94143

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    Dr. Connor O'brien's Practice 3

    1701 Divisadero St

    San Francisco, CA 94115

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

    Dr. O'brien's National Provider Identifier (NPI) number is 1063788727.

    What common questions do patients ask about Dr. O'brien?

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

    What is Dr. Connor O'brien's specialty?

    Dr. O'brien is a Critical Care Internist near San Francisco, 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. O'brien to book an appointment today.

    Is this Dr. Connor O'brien affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. O'brien is affiliated with Ucsf Medical Center At Parnassus 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 Connor O'brien accepting new patients in San Francisco, CA?

    Yes, Dr. Connor O'brien is accepting new patients at this time.

    Does Dr. Connor O'brien offer online booking?

    Please contact Dr. O'brien's office at (415) 353-2528 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Connor O'brien?

    Please contact Dr. O'brien's office at (415) 353-2528 for information regarding telehealth appointment availability or for scheduling assistance.

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