The link below suggests that the story your doctor acquaintance is telling telling is either an outlier for your state or is just incorrect. BTW, I found this data from last week with this search "us hospitalizations covid vaccination status". There's also CDC data which is updated weekly that can be seen in the same search. So not hard or complicated to verify.

https://www.kff.org/policy-watch/covid-19-vaccine-breakthrou...