Penelitian ini dilakukan untuk mengetahui persepsi dokter mengenai umpan balik formal dan informal, serta pengaruhnya terhadap kesejahteraan dan kinerja dokter. Penelitian ini dilakukan di RS Siti Khodijah Pekalongan dengan menggunakan desain studi kualitatif dengan metode studi kasus. Pengumpulan data dilakukan dengan melakukan wawancara, observasi, dan studi dokumentasi terhadap informan yang merupakan dokter spesialis penyakit dalam di RS Siti Khodijah Pekalongan. Analisa data umpan balik dilakukan menggunakan Clinical Performance Feedback Intervention Theory (CP-FIT). Hasil dari penelitian ini menunjukkan bahwa umpan balik formal memiliki dampak negatif terhadap kesejahteraan dokter, akan tetapi berkontribusi dalam meningkatkan kinerja dokter, dan dapat disimpulkan juga rekomendasi untuk meningkatkan umpan balik memiliki dampak positif terhadap kesejahteraan dan kinerja dokter. / This study was conducted to determine physicians’ perceptions of formal and informal feedback, as well as its impact on physicians’ performance and well-being. this research was conducted at Siti Khodijah Pekalongan Hospital using a qualitative study design with a case study method. data collection was carried out by conducting interviews with informants, observation, and documentation. in collecting data, researchers conducted interviews with internal medicine specialists. Analysis of feedback data was performed using Clinical Performance Feedback Intervention Theory (CP-FIT). The results of this study indicate that formal feedback has a negative impact on the well-being of physicians but contributes to improving physicians’ performance, and it can be concluded that recommendations for feedback improvement have a positive impact on physicians’ well-being and performance.