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Dr. David Duffy, MD

San Francisco, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Duffy, Emergency Medicine Specialist in San Francisco, CA?

    Dr. David Duffy, MD is an Emergency Medicine Specialist, who primarily practices in San Francisco, CA with 1 additional practice location. He is board certified. Dr. Duffy graduated from Tufts University School of Medicine and completed his residency at Alameda Co Med Ctr, Emergency Medicine. Dr. Duffy is fluent in English, and is currently seeing new patients. Dr. Duffy’s practice accepts Kaiser Permanente, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Duffy’s office at (415) 925-7000.

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

    • Residency: Alameda Co Med Ctr, Emergency Medicine

    • Medical School: Tufts Univ Sch of Med, Boston Ma | Tufts University School of Medicine

    Is Dr. Duffy board certified as an Emergency Medicine Specialist?

    Yes, Dr. David Duffy, MD is board certified by the American Board of Emergency Medicine

    What languages does Dr. Duffy speak?

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

    • English

    What conditions does an Emergency Medicine Specialist like Dr. Duffy typically treat?

    As an Emergency Medicine Specialist, Dr. Duffy 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. Duffy. 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:

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

    ICD-10 Codes:

    • R0789: Other chest pain

    Also known as:

    • Fainting
    • Syncope
    • Passing out
    • Collapse

    ICD-10 Codes:

    • R55: Syncope and collapse

    Also known as:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • Headache
    • Head pain
    • Cephalalgia
    • Tension headache

    ICD-10 Codes:

    • R519: Headache, unspecified

    Also known as:

    • Muscle Weakness
    • Muscle Disorder
    • Loss of strength
    • Fatigue
    • Muscle fatigue

    ICD-10 Codes:

    • R531: Weakness

    Also known as:

    • Head Injury
    • Head Injuries
    • Head Trauma
    • Cranial Injury
    • Brain Injury

    ICD-10 Codes:

    • S0990XA: Unspecified injury of head, initial encounter

    Also known as:

    • Sepsis
    • Blood Poisoning
    • Septicemia
    • Systemic Bacterial Infection

    ICD-10 Codes:

    • A419: Sepsis, unspecified organism

    Also known as:

    • Urinary Tract Infection
    • UTI
    • Bladder infection
    • Kidney infection
    • Urine infection

    ICD-10 Codes:

    • N390: Urinary tract infection, site not specified

    What procedures does an Emergency Medicine Specialist like Dr. Duffy typically perform?

    As an Emergency Medicine Specialist, procedures performed by Dr. David Duffy may include:

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

    Does Dr. Duffy accept my insurance?

    Dr. Duffy accepts most major insurance plans. Important: Please call our office at (415) 925-7000 before your appointment to verify that your specific plan and network are accepted.

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

    Dr. Duffy 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

    • City of Los Angeles

    • Elevance Health Inc. (formerly Anthem)

    • Kaiser Permanente

    • Kern Health Systems

    • Managed Care of America

    • Medicare

    • Other Health Care Provider

    • State of California

    • UnitedHealth Group

    View All Insurances

    Where is Dr. Duffy's office located?

    Dr. David Duffy's Primary Practice

    450 Stanyan St

    San Francisco, CA 94117

    (415) 925-7000

    Get Directions

    Dr. David Duffy's Practice 2

    250 Bon Air Rd

    Greenbrae, CA 94904

    Get Directions

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

    Dr. Duffy's National Provider Identifier (NPI) number is 1861414203.

    What common questions do patients ask about Dr. Duffy?

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

    What is Dr. David Duffy's specialty?

    What does an Emergency Medicine Specialist do?

    An emergency physician is dedicated to making prompt decision and taking necessary actions essential for preventing death or additional disabilities. This role encompasses guiding emergency medical technicians in pre-hospital environments as well as providing care within the emergency department. The emergency physician is responsible for the immediate identification, evaluation, treatment, stabilization, and arrangement of a diverse array of adult and pediatric patients facing acute illnesses and injuries.

    Is Dr. David Duffy affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Duffy is affiliated with Ucsf Health St. Mary's Hospital, Kaiser Permanente San Francisco Medical Center, Ucsf Health Saint Francis Hospital, Bakersfield Memorial 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 Emergency Medicine Specialist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see an Emergency Medicine Specialist. 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. David Duffy accepting new patients in San Francisco, CA?

    Yes, Dr. David Duffy is accepting new patients at this time.

    Does Dr. David Duffy offer online booking?

    Please contact Dr. Duffy's office at (415) 925-7000 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dr. David Duffy?

    Please contact Dr. Duffy's office at (415) 925-7000 to schedule an appointment.

    Where is Dr. Duffy's office located?

    Dr. Duffy's offices are located in San Francisco, CA and Greenbrae, CA.

    Which board certifications does Dr. David Duffy have?

    Dr. David Duffy is certified by the American Board of Emergency Medicine.