I too have been in the field for a long time, 30 years, and have always had both names on my badge. It has never been a problem in either inpatient or outpatient settings.
I agree it is much more professional and respectful.
Any time I had a problem with a patient, it usually wasn't about ME !!
Cornelia Walsh, RN
Melrose-Wakefield Hospital
Melrose, MA 02176