EverydayHealthLogo
Dr. William Cahill, MD

Dr. William Cahill, MD

San Francisco, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Cahill, Internist in San Francisco, CA?

    Dr. William Cahill, MD is an Internist, who primarily practices in San Francisco, CA with 2 additional practice locations. He is board certified by the American Board of Internal Medicine. Dr. Cahill completed his residency at University of California, San Francisco (UCSF) Affiliated Hospitals. Dr. Cahill is fluent in English, and is currently seeing new patients. Dr. Cahill’s practice accepts Cigna, Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Cahill’s office at (415) 554-2727.

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

    • Residency: University of California, San Francisco (UCSF) Affiliated Hospitals

    Is Dr. Cahill board certified in Internist?

    Yes, Dr. William Cahill, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Cahill speak?

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

    • English

    What conditions does Dr. Cahill treat?

    As a Internist, Dr. Cahill 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. Cahill. 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:

    • Ischemic Stroke
    • Brain Attack
    • Cerebral Infarction
    • Brain Ischemia

    ICD-10 Codes:

    • I639: Cerebral infarction, unspecified

    Also known as:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • Anemia
    • Low Red Blood Cell Count
    • Low Hemoglobin
    • Iron deficiency

    ICD-10 Codes:

    • D649: Anemia, unspecified

    Also known as:

    • Blood Infection
    • Sepsis
    • Bacteremia
    • Bacteria in blood
    • Bloodstream infection

    ICD-10 Codes:

    • R7881: Bacteremia

    Also known as:

    • Type 2 Diabetes
    • Diabetes Type 2
    • Type 2 diabetes
    • Diabetes Mellitus Type 2
    • Adult-Onset Diabetes
    • Non-Insulin Dependent Diabetes

    ICD-10 Codes:

    • E119: Type 2 diabetes mellitus without complications

    Also known as:

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

    ICD-10 Codes:

    • I4891: Unspecified atrial fibrillation

    Also known as:

    • Bone Infection
    • Osteomyelitis
    • Infected Bone
    • Bone Inflammation
    • Bone Infection Disease

    ICD-10 Codes:

    • M869: Osteomyelitis, unspecified

    Which procedures does Dr. Cahill perform as a Internist?

    As a Internist, procedures performed by an Dr. William Cahill may include:

    For detailed information, please contact Dr. Cahill's office.

    Does Dr. Cahill accept my insurance?

    Dr. Cahill accepts most major insurance plans. Important: Please call our office at (415) 554-2727 before your appointment to verify that your specific plan and network are accepted.

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

    Dr. Cahill in San Francisco, 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

    • Centene

    • CVS Health (formerly Aetna)

    • Medicare

    • Other Health Care Provider

    • Partnership Health Plan

    • San Francisco Health Plan

    • Sutter Health

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Cahill's office located?

    Dr. William Cahill's Primary Practice

    50 Lech Walesa

    San Francisco, CA 94102

    (415) 554-2727

    Get Directions

    Dr. William Cahill's Practice 2

    400 Parnassus Ave Fl 1

    San Francisco, CA 94143

    (415) 353-2602

    Get Directions

    Dr. William Cahill's Practice 3

    3555 Cesar Chavez

    San Francisco, CA 94110

    Get Directions

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

    Dr. Cahill's National Provider Identifier (NPI) number is 1366461048.

    What common questions do patients ask about Dr. Cahill?

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

    What is Dr. William Cahill's specialty?

    Dr. Cahill is a Internist near San Francisco, CA.

    A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

    Contact Dr. Cahill to book an appointment today.

    Is this Dr. William Cahill affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Cahill is affiliated with California Pacific Medical Center - Davies Campus 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 Internist?

    Explore 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 William Cahill accepting new patients in San Francisco, CA?

    Yes, Dr. William Cahill is accepting new patients at this time.

    Does Dr. William Cahill offer online booking?

    Please contact Dr. Cahill's office at (415) 554-2727 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with William Cahill?

    Please contact Dr. Cahill's office at (415) 554-2727 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. William Cahill have?

    Dr. William Cahill is certified by the American Board of Internal Medicine.

    Other Internist Near San Francisco, CA

    acceptingPatients-iconAccepting patients
    San Francisco, CA
    acceptingPatients-iconAccepting patients
    San Francisco, CA
    acceptingPatients-iconAccepting patients
    San Francisco, CA
    See All Specialists

    Doctors by Category

    Specialists