Arunachal Dutta Choudhury's posts on the social media amount to "misinterpretation in the public and (are) derogatory to the hospital administration," the suspension order issued by the state health department on Friday.
The doctor, an MD, was posted at Barasat District Hospital in North 24 Parganas district.
As per the Facebook post, around 500 people were admitted on October 6 and discussed his struggle to diagnose the patients many of whom were lying on the floor.
The Health department revealed the data on the case of Dengue which says that there have been 19 deaths in state-run hospitals since January and over 18,000 cases were reported in various government clinical establishments.
Opposition parties have been alleging that the Mamata Banerjee government is trying to suppress the number of deaths because of dengue in the state.