OBJECTIVES:  To study the quality of patients' drug supply within the framework of the guaranteed volume of free medical care in regions of Kazakhstan. METHODS:  Anonymous interview of doctors was conducted using a specially designed questionnaire comprising 20 questions. Questionnaire survey covered 638 physicians of medical institutions of Almaty and the five regions of Kazakhstan. The analysis was conducted in the outpatient organizations, hospitals and health care organizations that provide specialized care. Their share of the general sample was 57.4%, 40.8% and 4.9%. RESULTS: The survey revealed that 51.7% of the doctors in the interview are directly involved in the process of forming the list of drugs to be purchased and knows formulary list of medical organization and working with it. 88.9% of respondents have never had courses of drug management. In the most cases (70%) sources of information about new drugs for doctors are scientific seminars and conferences organized by pharmaceutical companies, specialized publications (60%), work colleagues and medical representatives (61%), 25% of cases from information materials in pharmacies, advertising in media (19%) and specialized exhibitions (15%). 92.7% of respondents are rely to a treatment protocols prescribing drugs. At the same time, 84.6% of doctors still had to advise patient to buy drugs what don't included into  formulary list of medical organization for effective treatment. Less than 20% of respondents mind about a price of assigned medicine, and only 5% is guided by consultation with a pharmacologist. 66.8% of respondents are not satisfied or partly satisfied by the quality of purchased drugs. At the same time more than 50% reported the absence of efficiency in their prescribing. CONCLUSIONS: Thus, there are certain problems in questions of populations’ drug supply and also the prescribing and using of medicines by the doctors that can affect on the efficiency of the treatment.