By October 2013 there were over 400 vendors with certified EHR technology had products used for provider's attestation to Meaningful Use program criteria. .
Official Website of the Assistant Secretary for Technology Policy/Office of the National Coordinator for Health IT
ONC Data Brief | No. 6 | October 2012
By October 2013 there were over 400 vendors with certified EHR technology had products used for provider's attestation to Meaningful Use program criteria. .