The paper core idea is to develop a Decision Support System for Health Care Center with primary focus on Patient, Admin and Doctor's authentication using (Radio Frequency Identification) RFID based NFC tags. Paper flow is categorized mainly in four parts. First phase deals with registration and authentication (NFC tags), while the next phase deals with the diagnosis of the diseases based on two Data Mining algorithms NN and BNN. Third phase is about General Check-up of patient in order to examine patient medical history based on heart rate, respiratory rate, sugar level and cholesterol level. Lastly, information about blood donor is kept for facilitating the needy patients. staff to view and update the desired patient’s information from hospital system, only by reading the patient’s NFC tag.