Basic Billing Documentation for the Outpatient PMHNP: Answers to Common Questions Asked by New Mental Health Nurse Practitioners Students CLICK THE DOWNLOAD BUTTON BELOW.. Basic Billing Documentation for the Outpatient PMHNP: Answers to Common Questions Asked by New Mental Health Nurse Practitioners Students READ MORE DETAIL..GET STARTED Basic Billing Documentation for the Outpatient PMHNP: Answers to Common Questions Asked by New Mental Health Nurse Practitioners Students CLICK THE DOWNLOAD BUTTON BELOW.. Basic Billing Documentation for the Outpatient PMHNP: Answers to Common Questions Asked by New Mental Health Nurse Practitioners Students READ MORE DETAIL..GET STARTED