HL7 and eHealth News. Health Level Seven International - Homepage. The Healthcare IT Guy — Shahid's healthcare IT, EMR, EHR, PHR, medical content, and document managment advisory service. Enjoy. Social media’s leading physician voice. Meaningful use, EHRs, ICD-10, HIE, NHIN, policy, big data and more. Howard J. Luks, MD - Chief of Sports Medicine and Arthroscopy.