I think St. Vincent's was a general charitable hospital ... here's a summary of the details from Thom's 1904 :
Physicians : M.F. Cox, M. McHugh,
Assistant Physician: W. Dargan
Surgeons : John S. McArdle, R.F. Tobin
Assistant Surgeons : P.J. Fagan
Gynaecologist : A.J. Smith
Ophthalmic & Oral Surgeon: Ferdinand Odevaine
Surgeon/Dentist : K. O'Duffy
Resident Medical Officers : Dr. Dillon & Dr. Barry (I've left out all the qualification abbreviations)
....
This Institution was opened in 1834, by the Sisters of Charity. The Hospital contains one hundred and sixty beds; and has attached to it a Dispensary, open daily, where the sick are relieved, and also special gynaecological and ophthalmic wards and Dispensaries . Arrangements have been made for providing the Students, without extra charge, with facilities for studying infective fevers. Connected with the institution, also, is a Sanatorium for convalescent patients at Linden, Blackrock. The Hospital is visited daily from 9 to 10, and from 10 to 11 o'clock, A.M. Subscriptions and Donations will be gratefully received by the Sisters of Charity. There is a Training Institution for Nurses attached. Hon, Sec. Denis Kennedy, F.R.C.S. , 68. Merrion-square, Dublin.
Shane