Badan Rumah Sakit Umum (General Hospital Board= BRSU) Tabanan-Bali had changed inmany aspects of organization since 2002. These changes had a significant impact on the way togive further services, increasing the number of patientsâ visit and staff welfare. These changes, ingeneral, had changed the hospital image. Objective of the study was to analyze the process ofhospital organizational culture change (basic assumption, value system, norm, and artifact) onstructure, technology, and person aspects through the transformation steps (refreezing, freezing, and unfreezing). This was an observational, qualitative study. Data were collected through in-depth interview, documentary collection, and direct observation. Study subjects consisted of fourhospital managers (top and middle) as main informants, three functional staffs (physician andnurses) as triangulation informants. Results of the study showed that, at the beginning, therewere differences on BRSU organization. The differences included basic assumptions, valuesystem, norm, and artifact. Status of the BRSU was UPTD; and this BRSU had minimaltechnology, fraudulence revenue in every unit, and low quality of staffs. These situationsmotivated hospital director (as an initiator) to change hospital organization culture.Implementation of the change was to give understanding and awareness to all hospital staffsthrough giving vision and mission of the hospital, basic trust, norms, artifacts, and motto.Changes included 1) change of hospital status by District leader and district house ofrepresentative, from UPTD to LTD. This change was conducted according to accreditationstandard, ISO, and Citra cup service; 2) change on hospital information system (SIM-RS),communication system, and conducting KSO of instruments; 3) change of the quality of hospitalhuman resource. Impact of the changes included 1) increase in 1999-2000 hospital revenue from350-400 million rupiahs to 1.6 billion rupiahs, 2) significant increase on the staffsâ wages. Supervision was conducted by the presence of an auditors, credential, and periodic refreshment of organizational culture. Impact of the whole changes was improvement of service quality. Inaddition, no service quality disruption was found after twice changes of hospital directors. Thecurrent type of organizational culture in BRSU Tabanan was an open organizational culturetype. Suggestion: changes will certainly occur, and BRSU Tabanan is expected to continuously control the changes towards the better, physically and non-physically.