[3] She did postgraduate work in Freiberg and Leipzig, Germany; Zurich, Switzerland; and Vienna, Austria, before returning to Washington, D.C., to practice medicine.

Lauretta E. Kress, a prominent obstetrician and the first woman to practice medicine in Montgomery County, Maryland, ran the clinic and served as its president in Heiberger's later years.

[15] Heiberger was encouraged and funded in some of her work by U.S. Treasurer Francis E. Spinner, a man whom the New York Medical Journal of 1891 cited as a strong proponent women's health care.

Helberger lived in the Concord Apartment House at what was then the corner of New Hampshire Avenue and Oregon Streets in Washington, D.C., though that intersection no longer exists.

Newspapers reported her as the victim of a carriage accident at 14th and H Streets NW that put her in George Washington University Hospital and left her badly bruised.