Antonia Novello's birth name is Antonia Coello.
Antonio Coello
Yes, Antonia Coello Novello is a scientist. She is a pediatrician.
She was a pediatrician
No, she's the first Hispanic and first female U.S. Surgeon General.
Antonia Coello Novello (b. 1944) was Surgeon General of the U.S. 1990-1993, the first woman and also first Hispanic to hold that position. No opera singers by that name that I can find, but maybe you are thinking of Clara Novello (1818-1908)? (Coello=Clara?) She was the daughter of the London music publishing magnate Vincent Novello, and sang in premieres of sacred works by Mendelssohn and Rossini; considered one of the three best English sopranos of her day.
Dr. Antonia C. Novello, was the first Hispanic and the first female Surgeon General, of the United States of America. Dr. Novello was Surgeon General from 1990-1993.
Vicente Coello's birth name is Vicente Coello Girn.
Claudio Coello was born in 1642.
Claudio Coello died in 1693.
Augusto Coello was born in 1884.
Óscar Coello was born in 1947.