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Dr. Lukejohn Day, MD

San Francisco, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Day, Gastroenterologist in San Francisco, CA?

    Dr. Lukejohn Day, MD is a Gastroenterologist, who primarily practices in San Francisco, CA with 2 additional practice locations. He is board certified. Dr. Day is fluent in English, and is currently seeing new patients. To book an appointment or to confirm insurance options, please call Dr. Day’s office at (415) 377-2176.

    Is Dr. Day board certified as a Gastroenterologist?

    Yes, Dr. Lukejohn Day, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Day speak?

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

    • English

    Which conditions does Dr. Day treat as a Gastroenterologist?

    As a Gastroenterologist, conditions treated by Dr. Lukejohn Day may include:

    Please contact Dr. Day's office for more information or to schedule a consultation.

    What procedures does Dr. Day perform?

    As a Gastroenterologist, Dr. Day performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Day. 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:

    • Diagnostic Colonoscopy with Biopsy
    • Colonoscopy with Biopsy
    • Colonoscopy
    • Colorectal Cancer Screening Tests
    • Flexible Colonoscopy
    • Colon Exam with Biopsy
    • Lower Endoscopy
    • Colon Cancer Screening
    • Colon Biopsy
    • Large Intestine Scope
    • Colorectal Cancer Screening

    CPT Codes:

    • 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
    • 45380: Colonoscopy, flexible; with biopsy, single or multiple

    Also known as:

    • Upper Endoscopy with Biopsy
    • Biopsy
    • Endoscopy
    • EGD with Biopsy
    • Gastroscopy with Biopsy
    • Esophagogastroduodenoscopy with Biopsy

    CPT Codes:

    • 43239: Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple

    Does Dr. Day accept my insurance?

    Please contact Dr. Day's office to confirm accepted insurance plans.

    Where is Dr. Day's office located?

    Dr. Lukejohn Day's Primary Practice

    505 Parnassus Ave

    San Francisco, CA 94143

    (415) 377-2176

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    Dr. Lukejohn Day's Practice 2

    1001 Potrero Ave Bldg 53D

    San Francisco, CA 94110

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    Dr. Lukejohn Day's Practice 3

    450 Stanyan St

    San Francisco, CA 94117

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

    Dr. Day's National Provider Identifier (NPI) number is 1669623773.

    What common questions do patients ask about Dr. Day?

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

    What is Dr. Lukejohn Day's specialty?

    Dr. Day is a Gastroenterologist near San Francisco, CA. An internist focused on diagnosing and treating disorders of the digestive system, encompassing the stomach, intestines, liver, and gallbladder. This specialist manages conditions like abdominal pain, ulcers, diarrhea, cancer, and jaundice, and performs intricate diagnostic and therapeutic procedures using endoscopes to examine internal organs. Contact Dr. Day to book an appointment today.

    Is this Dr. Lukejohn Day affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Day is affiliated with UCSF Health St. Mary's 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 Gastroenterologist?

    Explore Gastroenterologist 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 Lukejohn Day accepting new patients in San Francisco, CA?

    Yes, Dr. Lukejohn Day is accepting new patients at this time.

    Does Dr. Lukejohn Day offer online booking?

    Please contact Dr. Day's office at (415) 377-2176 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Lukejohn Day?

    Please contact Dr. Day's office at (415) 377-2176 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Lukejohn Day have?

    Dr. Lukejohn Day is certified by the American Board of Internal Medicine.

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