Mae Heidi wedi gweithio fel meddyg teulu yn y De ers 2001, ac ar hyn o bryd mae'n Athro Cyswllt/Cyfarwyddwr Derbyniadau ar gyfer y rhaglenni Meddygaeth Mynediad i Raddedigion ac Astudiaethau Cydymaith Meddygol yn Ysgol Feddygaeth Prifysgol Abertawe. Mae'n Gymrawd yn Academi yr Addysgwyr Meddygol ac yn Gymrawd Hŷn yn yr Academi Addysg Uwch. Mae gan Heidi ddiddordeb penodol mewn recriwtio a chadw meddygon teulu yng Nghymru, ac mae'n arwain y gwaith o ddatblygu Academi Gofal Sylfaenol. Mae'n frwd dros ehangu mynediad i ysgolion meddygaeth, ac mae'n eistedd ar Fwrdd yr MSC Selection Alliance, gan arwain ar nifer o ffrydiau gwaith sy'n ymwneud â chydraddoldeb ac anabledd.
Heidi has been a GP in South Wales since 2001 and is currently Associate Professor/Admissions Director for the Graduate Entry Medicine and Physician Associate programmes at Swansea University Medical School. She is a Fellow of the Academy of Medical Educators and a Senior Fellow of the Higher Education Academy. Heidi has a special interest in recruitment and retention of GPs in Wales and is leading on the development of a Primary Care Academy. Passionate about widening access to medical school, she sits on the Medical Schools Council Selection Alliance Board and is leading on several equality/disability workstreams.