What are the major phases in the process improvement methodology? What are some

What are the major phases in the process improvement methodology? What are some of the major types of customer and/or patient service-level issues that exist in healthcare today? Based on your answer, choose one and describe how a process improvement methodology could impact the service outcome.
Must include a biblical integration verse and at least 2 peer-reviewed source citations, in addition to the course textbook which is below.
References:
Langabeer,
II, J. R. & Helton, J. (2021). Health care operations management (3rd ed.).
Jones & Bartlett Learning.