In order to prevent non-communicable diseases and carry out measures to model a healthy lifestyle, the article proposes changes to the regulatory and legal framework for delivering primary health care and primary specialized health care, including the introduction of a position of a physician for common hygiene in medical organizations. It is proposed to introduce additions to the nomenclature of medical services provided. There was developed a section of occupational standards program “Specialist in hygiene”, on the job functions of a physician for common hygiene. It is proposed to include in the job functions of a physician for common hygiene the diagnostic testing in health centers in order to assess the functional reserves and adaptive capabilities of a person affected by adverse environmental factors, and the prescribing appropriate curative and preventive measures. Implementation of the proposed activities in the health centers will improve the efficiency of medical and preventive work of medical organizations and reduce the level of uncertainty of preventive activities carried out, and of the expected results of preventive work carried out by a therapist and a general practitioner (family doctor). The proposed changes will help to identify causal relationships between the health status of the population and the impact of adverse environmental factors, to form risk groups among adult population in accordance with diagnostic criteria of risk factors and other pathological conditions and diseases associated with the impact of adverse environmental factors that increase the likelihood of developing of chronic non-communicable diseases in risk groups, if there are diagnostic criteria of risk factors to send the indigent to health organization for in-depth examination and carrying out the necessary medical and preventive measures, to prepare research and information materials and to participate in hygiene education, to promote healthy lifestyles and to improve health literacy of population.