You can add a new person with the name "Sharma, Dr. Mukesh Kumar Lalji | Dr. Amogh Kumar Gupta | Dr. Sheetal", or you can "Sharma, Dr. Mukesh Kumar Lalji | Dr. Amogh Kumar Gupta | Dr. Sheetal" with a person entry that is so far only been referred to by another name (such as a former name or an alias name).