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Contact Us


Contact NSO​​

Our client service representatives are available to speak with you by phone Mon-Fri from 8 a.m. to 6 p.m. ET. You can also fax or email us. Our website and online service center are available 24/7. 

Nurses Service Organization (NSO) 

159 E. County Line Road 

Hatboro, PA 19040-1218 


Phone: 1-800-247-1500 

Fax for Applications: 1-800-739-8818 

Fax for Correspondence: 1-800-758-3635 

Email: service@nso.com​ ​​