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Using your NPI in HIPAA standard electronic transactions FAQs for health care providers

Federal regulations require you to submit HIPAA standard electronic transactions with only your NPI number. Additional information on this requirement follows.




Claims and encounters


Remittance advice


Other electronic transactions


More FAQs for providers

Find answers to your questions about joining our network, Clinical Policy Bulletins, the dispute process and more. 

FAQs for health care professionals

Legal notices

Aetna is the brand name used for products and services provided by one or more of the Aetna group of companies, including Aetna Life Insurance Company and its affiliates (Aetna).

See all legal notices