From the article:

"Dr. Sachs is among the most sued doctors in New York State, having
settled 33 malpractice suits since 1995. She did not know that last year
the State Health Department took the extraordinary step of banning Dr.
Sachs - an ear, nose and throat specialist - from performing complex
nasal surgeries without the supervision of another surgeon; that the
operating room in his office is not accredited, as many of the best ones
are; or that while he states on his Web site that he has been affiliated
with the New York Eye and Ear Infirmary "for the last 23 years," he is
not affiliated with that hospital or any other."

That's more than enough red flags for me.