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Dr. William Marrero, MD

San Juan, PR

Accepting patients

    Who is Dr. Marrero, Medical Oncologist in San Juan, PR?

    Dr. William Marrero, MD is a Medical Oncologist, who primarily practices in San Juan, PR. Dr. Marrero is fluent in English, and is currently seeing new patients. To book an appointment or to confirm insurance options, please call Dr. Marrero’s office at (787) 777-3535.

    What languages does Dr. Marrero speak?

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

    • English

    What conditions does a Medical Oncologist like Dr. Marrero typically treat?

    What procedures does a Medical Oncologist like Dr. Marrero typically perform?

    As a Medical Oncologist, procedures performed by Dr. William Marrero may include:

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

    Does Dr. Marrero accept my insurance?

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

    Where is Dr. Marrero's office located?

    Dr. William Marrero's Primary Practice

    San Juan

    San Juan, PR 00935

    (787) 777-3535

    Get Directions

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

    Dr. Marrero's National Provider Identifier (NPI) number is 1336688274.

    What common questions do patients ask about Dr. Marrero?

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

    What is Dr. William Marrero's specialty?

    Dr. Marrero is a Medical Oncologist near San Juan, PR.

    What does a Medical Oncologist do?

    An internist specializing in the diagnosis and treatment of various cancers and both benign and malignant tumors. This specialist determines and administers therapy for malignancies and collaborates with surgeons and radiation oncologists on additional cancer treatment options.

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

    No, Marrero is not affiliated with a Castle Connolly Top Hospital. Castle Connolly Top Hospitals 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 a Medical Oncologist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a Medical Oncologist. 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 William Marrero accepting new patients in San Juan, PR?

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

    Does Dr. William Marrero offer online booking?

    Please contact Dr. Marrero's office at (787) 777-3535 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with William Marrero?

    Please contact Dr. Marrero's office at (787) 777-3535 for information regarding telehealth appointment availability or for scheduling assistance.

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