What information is required in Box 25 of the CMS-1500?

In Box 25 of the CMS-1500 form, the required information is the provider's Tax Identification Number (TIN). This number is crucial for the proper identification of the healthcare provider submitting the claim. It helps insurance companies accurately process claims and ensures that the payments are directed to the correct provider. The TIN is used to track tax obligations and is necessary for the healthcare provider to receive reimbursement for services rendered to patients.

The other options provided do not belong in Box 25. For instance, the patient's insurance policy number is typically found in other sections of the form where patient demographic details are captured. The patient's Social Security number is not required on the CMS-1500 form due to privacy concerns and regulations, and service dates should be recorded in different fields where the specifics of the treatment are detailed. The focus of Box 25 being the Tax Identification Number emphasizes the importance of accurate provider identification in the claims process.