The relevance of this study is due to the problem of providing and increasing the competitiveness of enterprises operating in the regional market of medical services, which is possible only with a constant study of the characteristics of the market and factors of the external environment and is an indispensable criterion for survival in a competitive environment. The purpose of this article is to study the practical application of instrumental approaches to assessing the external environment of organizations in the market of medical services to the population of Magnitogorsk. The leading methods to study this problem are the methods of strategic analysis of the external environment, special methods of sociological expert study, tabular and graphical methods of visualizing the results of the study. The study covered medical centers operating in the territory of Magnitogorsk, Chelyabinsk region. The article substantiates that the use of strategic analysis methods to assess external environmental factors allows the organization to timely extract information about the business environment at the regional level and to develop programs for the development of the organization in the short and long term. Adapted, considering the specifics of medical organizations, methods form a unified system that facilitates a comprehensive assessment of the external environment and ensuring competitiveness. The study proved that the applied methods of strategic analysis can be used to conduct comparative competitive analysis and develop strategic development plans aimed at increasing the competitiveness of regional medical centers. The materials of the article can be useful for the leaders of medical organizations to ensure sustainable development and increase the efficiency of economic activity in a changing external environment.