In recent decades, the medical industry is characterized by the transformation of the business-models, which are used by medical centers. In particular, creating a value proposition for the customer acquires the character of the network. This practice involves the intensification of networking a large number of specialized clinics and diagnostic centers. As a result, the practice of using the different types of innovative business - model institutions in the healthcare industry is activated. In this regard, the topic of the development the analytical tools of innovative business models and assessing the quality of service provided by private medical centers is becoming increasingly important. In order to maintain its position, companies need to understand the weaknesses clearly and plan the activities of decreasing them. This paper proposes an adaptation Servqual-analysis tool for assessing the quality of the medical services market, taking into account the priority factors and the complexity of their elimination on the basic business processes of private clinics: treatment, supportive, service, and marketing processes. This technique can be used by private medical centers of different types of innovative business-models to adjust the current plans and strategy development in general.