Implantable and/or wearable medical data acquisition devices (30) associated with an individual, each having NFC communication capability, collect medical data. Each device has a unique identifier. The medical data are read from the devices via a secure link by an NFC reader or transceiver (26) in a wireless communication system mobile station (10) having a unique identifier. The medical data are selectively transmitted via a secure link from the mobile station to a Presence and Group Management (PGM) server (32, 34) configured to manage data services for medical groups. Secure access to the medical data by medical professionals is restricted according to a policy system (36). Encryption keys are managed on a group basis by a group key management server (32), assigning the medical data acquisition devices (30) and mobile station (10) to groups based on their unique identifiers. The PGM server (32, 34) may send alerts and/or information to the user via the mobile station (10).
