Thanks all!
Here's a slight modification which will show the respective VMhost:
> Get-VMHost | Get-VmHostService | Where-Object {$_.key -eq "ntpd"} | select vmhost, key, label, policy, running, required | Format-Table
VMHost Key Label Policy Running Required
------ --- ----- ------ ------- --------
10.10.10.139 ntpd NTP Daemon on True True
10.10.10.147 ntpd NTP Daemon on True True
10.10.10.140 ntpd NTP Daemon on True True
10.10.10.141 ntpd NTP Daemon off False False
10.10.10.146 ntpd NTP Daemon off False False
10.10.10.142 ntpd NTP Daemon off False False
10.10.10.145 ntpd NTP Daemon off False False
10.10.10.143 ntpd NTP Daemon off False False
10.10.10.144 ntpd NTP Daemon off False False