What information does Mr. Roel Reyes need to provide due to his hospitalization before applying for insurance?

Mr. Roel Reyes needs to provide the name of the attending doctor, the diagnosis, and the date of confinement because this information is essential for the insurance application process. The name of the attending doctor allows the insurance company to verify the details of the hospitalization and seek any additional information required about the treatment provided. The diagnosis is critical as it indicates the medical condition that necessitated hospitalization, which can significantly affect coverage eligibility and the terms of the insurance policy. Lastly, the date of confinement is relevant to establish a timeline for the medical events and can influence the assessment of the insurance claim. Together, these details ensure that the insurance provider has a comprehensive understanding of Mr. Reyes's medical situation, facilitating a more accurate review of his application.