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Dr. Timothy Duncan, MD

Dr. Timothy Duncan, MD

Emergency Medicine Specialist

San Francisco, CA

25 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

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

    Dr. Timothy Duncan, MD is an Emergency Medicine Specialist, who primarily practices in San Francisco, CA with 1 additional practice location. He has been practicing for over 25 years and is board certified. Dr. Duncan graduated from Geisel School of Medicine at Dartmouth and completed his residency at Albany Med Ctr Hosp, Emergency Medicine; Mary Hitchcock Mem Hosp, Internal Medicine. Dr. Duncan is fluent in English, and is currently seeing new patients. Dr. Duncan’s practice accepts Kaiser Permanente, Medicaid, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Duncan’s office at (209) 342-2300.

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

    • Residency: Albany Med Ctr Hosp, Emergency Medicine; Mary Hitchcock Mem Hosp, Internal Medicine | Albany Medical Center

    • Medical School: Geisel School of Medicine at Dartmouth

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

    Yes, Dr. Timothy Duncan, MD is board certified by the American Board of Emergency Medicine

    What languages does Dr. Duncan speak?

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

    • English

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

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

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

    ICD-10 Codes:

    • R000: Tachycardia, unspecified

    Also known as:

    • Dizziness
    • Dizziness and Vertigo
    • Lightheadedness
    • Giddiness
    • Vertigo

    ICD-10 Codes:

    • R42: Dizziness and giddiness

    Also known as:

    • Fainting
    • Syncope
    • Passing out
    • Collapse

    ICD-10 Codes:

    • R55: Syncope and collapse

    Also known as:

    • Acute Bladder Infection
    • Bladder Disease
    • Acute Cystitis
    • Sudden Bladder Infection

    ICD-10 Codes:

    • N3000: Acute cystitis without hematuria

    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:

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

    ICD-10 Codes:

    • R0602: Shortness of breath

    Also known as:

    • Nausea and Vomiting
    • Feeling Sick and Throwing Up
    • Stomach Flu Symptoms
    • Queasy and Vomiting

    ICD-10 Codes:

    • R112: Nausea with vomiting, unspecified

    Also known as:

    • Headache
    • Head pain
    • Cephalalgia
    • Tension headache

    ICD-10 Codes:

    • R519: Headache, unspecified

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

    As an Emergency Medicine Specialist, procedures performed by Dr. Timothy Duncan may include:

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

    Does Dr. Duncan accept my insurance?

    Dr. Duncan accepts most major insurance plans. Important: Please call our office at (209) 342-2300 before your appointment to verify that your specific plan and network are accepted.

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

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

    Top Insurances

    • BCBS Unspecified

    • Blue Shield of California

    • Centene Corporation

    • Cigna Group

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Medicare

    • State of California

    • Sutter Health

    • UnitedHealth Group

    View All Insurances

    Where is Dr. Duncan's office located?

    Dr. Timothy Duncan's Primary Practice

    1101 Van Ness Ave

    San Francisco, CA 94109

    (209) 342-2300

    Get Directions

    Dr. Timothy Duncan's Practice 2

    45 Castro St

    San Francisco, CA 94114

    Get Directions

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

    Dr. Duncan's National Provider Identifier (NPI) number is 1013908227.

    What common questions do patients ask about Dr. Duncan?

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

    What is Dr. Timothy Duncan's specialty?

    Dr. Duncan is an Emergency Medicine Specialist near San Francisco, CA.

    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. Timothy Duncan affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Duncan is affiliated with California Pacific Medical Center - Van Ness Campus, California Pacific Medical Center - Davies Campus, California Pacific Medical Center - Mission Bernal Campus, Ucsf Health Saint Francis Hospital, Kaiser Permanente San Francisco Medical Center, Mills-Peninsula Medical Center 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. Timothy Duncan accepting new patients in San Francisco, CA?

    Yes, Dr. Timothy Duncan is accepting new patients at this time.

    Does Dr. Timothy Duncan offer online booking?

    Please contact Dr. Duncan's office at (209) 342-2300 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dr. Timothy Duncan?

    Please contact Dr. Duncan's office at (209) 342-2300 to schedule an appointment.

    Where is Dr. Duncan's office located?

    Dr. Duncan's office is located in San Francisco, CA.

    Which board certifications does Dr. Timothy Duncan have?

    Dr. Timothy Duncan is certified by the American Board of Emergency Medicine.