Regulatory framework
Medical practices operate under HIPAA as covered entities through the full set of standard electronic transactions — 837 claims submission, 270/271 eligibility verification, 278 referral certification, 835 remittance advice, 820 premium payment, 834 enrollment, NCPDP SCRIPT for e-prescribing. Medicare and Medicaid impose additional documentation requirements for reimbursement and quality reporting (MIPS, ACO programs, value-based-care frameworks). State medical practice acts govern record-keeping. The ONC HITECH meaningful-use legacy continues to shape EHR vendor compliance behavior even after the program transitioned to MIPS.

