Introduction. In accordance with the goals and objectives of the Federal project "Fight against oncological diseases", which provide for a significant reduction in mortality from neoplasms to 185 per 100 thousand, the regions of the Russian Federation continue to improve the quality and accessibility for the population of the most modern and most effective methods of providing oncological care. Objectives. Summation and generalization of methodological approaches to the creation of composite quality assessment criteria. Materials and methods. The scientific study was carried out based on the results of a search in the databases of the digital medical platform PubMed / Medline and the Google search engine. Search queries used the words: cancer care, composite indicators/criteria, quality, performance indicators, measurements, etc. English-language sources were selected. Results. Composite indicators of medical performance is a combination of two or more indicators into one quantitative value with the aim of summarizing several measurements of the performance of a healthcare provider and facilitating the comparison of performance ratings between medical institutions. Studying the performance of specific hospitals using quality criteria leads to "ranking tables" in which hospitals are ranked according to their performance against a given indicator. Such comparisons assume that the indicator has sufficient validity to rank hospitals according to their performance. Discussion. Increasing the awareness of researchers and health care professionals about a variety of methodologies for developing composite quality assessment criteria can improve the reliability of assessing complex medical processes in oncology. These comprehensive, integrative assessments can provide a more complete differentiation of medical organizations in terms of their effectiveness than individual indicators. Conclusions. Innovative technologies in the field of formation of composite indicators of medical activity can in the future provide a complete picture of the quality of medical care provided, including cancer care.