Pelayanan keperawatan adalah pelayanan yang diberikan kepada pasien sehingga pasien dapat memperoleh kepuasan dan akhirnya dapat meningkatkan kepercayaan kepada rumah sakit. Peneliti menggunakan teori Parasuraman (2001) yaitu Responsiveness (Daya tanggap), Assurance (Jaminan), Tangibles (Bukti fisik), Empathy (Empati) dan Reliability (Keandalan) dalam mengukur tingkat kepuasan pasien terhadap pelayanan kesehatan yang diberikan. Desain penelitian ini menggunakan kuantitaif dengan pendekatan penelitian deskriptif. Populasi dalam penelitian ini adalah seluruh pasien yang dirawat di Inpatient Department Fase 3 yang berjumlah 150 orang dengan target sampel adalah 105 responden dengan tingkat kesalahan 5% berdasarkan skala Likert. Penelitian ini penulis mengambil sampel dengan menggunakan teknik purposive sampling. Hasil pengujian instrumen validitas menunjukkan r hitung > r tabel artinya valid dan reliabilitas jika lebih dari 0.6 artinya reliabel. Adapun hasil penelitian kepuasan pasien berdasarkan jumlah rata-rata dari masingmasing dimensi yaitu Responsiveness (Ketanggapan) sebanyak 100.0% (sangat puas), Assurance (Jaminan) sebanyak 100.0% (sangat puas), Tangibles (Bukti fisik) sebanyak 100.0% (sangat puas), Empathy (Empati) sebanyak 100.0% (sangat puas), Reliability (Keandalan) sebanyak 100.0%. (sangat puas).Kesimpulan penelitian yaitu bahwa responden atau pasien di Inpatient Department Fase 3 di Satu Rumah Sakit Swasta Indonesia Bagian Tengah memberikan penilaian yang tergolong tinggi terhadap kelima dimensi pelayanan yaitu Responsiveness, Assurance, Tangibles,Empathy,Reliability = Nursing service is a service provided to patients so that patients can get satisfaction and ultimately can increase trust to the hospital. Researchers use Parasuraman theory (2001), namely Responsiveness, Assurance, Tangibles, Empathy and Reliability in measuring the level of patient satisfaction on health services provided. This research design using quantitative with descriptive research approach. The population in this study were all patients treated at the Inpatient Installation Phase 3, which amounted to 150 people with the target sample was 105 respondents with a 5% error rate based on Likert scale. The author of this study took a sample by using purposive sampling technique. Instrument validity test results show r count > r table means valid and reliability above 0.6 means reliable. The results of patient satisfaction research are based on the average number of each dimension of Responsiveness as much as 100.0% (very satisfied), Assurance as much as 100.0% (very satisfied), Tangibles as much as 100.0% (very satisfied) Empathy as much as 100.0% (very satisfied), Reliability as much as 100.0%. (Very satisfied). The conclusion of this research is that the respondent or patient in Inpatient Department Phase 3 Private Hospital in Central Indonesia give high assessment to four dimension of service that is Responsiveness, Assurance, Tangibles, Empathy, Reliability.