Complex sentence: Richardson was flown, accompanied by his long-time friend, media expert Steve Jaffe, to Wichita, Kansas for emergency treatment by cardiologist, Dr. Joseph Galichia, a friend of Jaffe's who had immediately offered his assistance.
Split into simpler sentences: Richardson was flown, accompanied by his long-time friend, media expert Steve Jaffe, to Wichita, Kansas for emergency treatment by cardiologist, Dr. Joseph Galichia. The doctor, a friend of Jaffe's, had immediately offered his assistance.