I’m sure if you asked different individuals in the industry, you’d get different answers. Here’s DHHS ONC’s definition taken from the website:
C2. What constitutes a health IT professional?
A health IT professional is someone who is qualified to support the adoption and implementation of Electronic Health Records (EHRs), information exchange across health care providers and public health authorities, and the redesign of workflows within health care settings to gain the quality and efficiency benefits of EHRs.
Now the question is: Can you be a health IT professional without hands-on experience?