The RAMC Museum will hold no personal records but may provide a good deal of background and other detail. There's a research link on its home page.
http://www.ams-museum.org.uk/museum/Medical officers serving in the Army, 1660-1960, are listed in A Peterkin, W Johnston and R Drew,
Commissioned officers in the medical services of the British Army, 2 vols (1968) - this gives a very brief service history with promotion dates, but I suspect you'll already know all that this book can deliver.