AmericaMed.com
And, since you mentioned posting US cities and states as well:
BostonMed.com, ChicagoMed.com, NYCMed.com, SeattleMed.com, SanDiegoMed.com, WashingtonMed.com, SanFranciscoMed.com, among others.
And, not to forget that great state:
CaliforniaMed.com
Thanks for this niche...