He was Iran’s top point scorer in the 3-1 victory over Bosnia and Herzegovina in the final.
Mehrzad also led Iran to gold at Rio 2016 and Tokyo 2020, International Paralympic Committee reported.
He was diagnosed at a young age with acromegaly, a rare condition due to excessive growth hormone.
Mehrzad's towering height has been a crucial asset for Iran's sitting volleyball team for years, compelling rival teams to reconsider their strategies.