If the provider you were seeking the vaccine from didn’t already have up-to-date, accurate, and valid insurance information for you, then that would be one reason for asking. Realistically, a random internet stranger isn’t going to know the answer to your specific situation. However, if you want to know more about your specific circumstances, you may consider contacting them again and asking for clarification.
Do why did they ask me for insurance information when I got there last month?
If the provider you were seeking the vaccine from didn’t already have up-to-date, accurate, and valid insurance information for you, then that would be one reason for asking. Realistically, a random internet stranger isn’t going to know the answer to your specific situation. However, if you want to know more about your specific circumstances, you may consider contacting them again and asking for clarification.
I don’t know how to ask Walgreens this.
Because while you may not be billed for it, insurance will still pay for it.