Okay, let’s tackle this. So Johanna Stephen has 57 years of experience as a physician, which is extremely rare and valuable. Her expertise in Clinical Research, Medical Education, and Internal Medicine is in high demand. She has worked at prestigious institutions like Beth Israel Deaconess Medical Center and Yale University Medical Center. Given her level of experience, education (Doctor of Medicine from New York Medical College), and expertise, I would estimate her hourly rate to be around $250. This is higher than the average rate for physicians in the US, which is around $200-$300 per hour, considering her exceptional experience and qualifications.