Medical Associates of the Hudson Valley. Patient Portal. Kingston845.338.7140 Poughkeepsie845.338.7140 Phoenicia845.338.7140 Woodstock845.338.7140. Home; About MAHV. Community Projects; ... In order to have a patient portal account you will need to already be a patient at this practice. Request an activation code from MAHV by calling (845) 338 ....