>> he was an excellent physician. >> what do you think motivated him? >> his desire to be the best at what he did. >> in 2000, weinberger began aggressively advertising himself as a sinus specialist. he billed himself as dr. nose and his practice grew rapidly. >> we could see 40 to 50 patients on an office day. out of those, 10 to 16 would be new patients. >> how many surgeries was he performing? >> on an average, within 15 to 22 a week. >> 15 to 22 surgeries, one man, every week. >> yes. >> and you've worked in this business a long time. i mean, how busy is that compared to your average surgeon? >> huge. >> dennington said patients who walked into the clinic with anything from breathing problems to bad headaches were told that his sinus surgeries were an alternative to taking medications every day and had a 95% success rate. >> his technique was incredible.