Use of NPI Services in DNP Research Webinar/Online Tuesday, January 12, 2021 at 10:00am MT - Monday, January 31, 2022 at 9:00pm MT Posted by The Nurse Practitioners of Idaho Info Register Info Additional Information Authorized use of NPI services for research. Register Buy NPI Member Non-Stratified $50.00 Buy Non-Member Non- Stratified $100.00 Buy NPI Member Stratified $75.00 Buy Non-member Stratified $125.00