Final answer:
The McKesson EHR program best suited for a small physician practice with 1-9 physicians is Practice Partner. It is user-friendly and customizable, making it appropriate for small to medium-sized practices.
Step-by-step explanation:
The question is asking which electronic health record (EHR) program by McKesson is suited for a small physician practice with 1-9 physicians. Looking at the options provided, the correct choice would be c) Practice Partner. Practice Partner is designed specifically for small to medium-sized practices and offers a comprehensive suite of applications including patient records, billing, and appointment scheduling to assist with the efficient management of a clinical practice. This EHR system is known for its user-friendly interface and is capable of being customized to fit the specific needs of individual practices.