After disasterous experience with local medical situation I’ve collected some options to consider for foreigners with international insurance. Just make sure you have right insurance to cover the costs…
Medicover.cz http://www.medicover.cz/en/700,Medical-Care-for-Foreigners.htm
Homolka Premium Care http://www.homolkapremiumcare.cz/cs-CZ/kontakty.html
Unicare http://www.unicare.cz/insurance.htm