The work examines, what health benefits patients get from GP-centered care and compares the results with conventional standard care. The investigation focuses on the patient as the receiver of medical care and develops a model of ambulatory care. To operationalize the model onlye indicators are used, whose advantageousness for the patient is medically well proven. The empirical analysis is carried out by using routine data from health insurance companies. The results show that especially type 2 diabetes patients and patients over 70 years benefit from the GP-centered care. In both patient groups, the hospitalization rate is partly significantly lower than in the standard care. The findings justify recommendations for patients to participate in the GP-centered care and support the demand for an expansion of the offer of alternative care models.