EN: The data set contains transcriptions and summaries of in-depth interviews held with health service providers in the public and private sectors of superdiverse neighborhoods at the The Welfare Bricolage (UPWEB) research project. It investigated how residents living in superdiverse neighborhoods use and access healthcare services according to their needs, including formal and informal sources of advice, treatment and support. Moreover, it explored how various service provider identify and address the healthcare requirements of neighborhood's residents. The neighborhoods range from rather deprived character to upwardly mobile or early gentrification tendencies. The interviews were based on a guided questionnaire and focused on exploring and understanding providers' perspectives on the challenges and needs, on district-related problems and health care structures, and their own role as providers. The duration of the interviews lied between thirty minutes and two and a half hours. The place of the interview and who else was participating in the interview was decided by the interviewees.