ABSTRACT Objectives: to assess the attributes of Primary Health Care from the perspective of health professionals, comparing services in the Special Indigenous Health District and the Municipal Health Offices. Methods: a cross-sectional study in the Upper Rio Negro region, State of Amazonas, with 116 professionals. The data were collected through the Primary Care Assessment Tool. Scores were categorized (≥ 6.6) - strong orientation and (<6.6) - low orientation. The chi-square and maximum likelihood test for crossover analysis. The comparison between professionals the Kruskal-Wallis Test. Results: a higher overall score was observed in the Indigenous Health District (7.2). The same trend was observed individually in the essential and derived attributes. Conclusions: this work may support strategies that positively impact the management model and work processes from the perspective of strengthening the primary care offered to the population from Rio Negro.