A method, system and device for providing Point of Care Testing (POCT) are disclosed. The POCT comprises of a device that enables the patient to self conduct plurality of diagnostic tests for a chronic disease such as diabetes mellitus. The method is modular and enables the user to select set of tests from comprehensive list of diagnostic tests. The device provides a strip port to enable testing of various biochemical parameters. Also, the device comprises an ophthalmoscope with a built-in camera to capture images of the retina, a set of piezoelectric sensors for measuring pulse wave velocity (PWV), a pair of electrodes for measuring skin impedance. The method enables the device to log on the test data for future use and analysis. The device can be used for frequent monitoring of health parameters of a user suffering from diabetes mellitus.
