Dickinson Cowan is a consultant obstetrician and gynecologist who has been in practice for 20 years Mr Cowan* practices in vitro fertilization (IVF) and egg donation, in addition to other infertility treatments Mr Cowan’s consulting rooms are on the 3rd floor, at 214 Great Portland Street, which is across the road from the Portland Hospital. He also offers phone consultations for the convenience of his patients. Mr. Cowan is assisted by his secretaries and nurse who handle inquiries and book appointments.