A bit of further digging, I had asked the question before completely engaging brain....
It's one of Ancestry's misinterpretations/transcription errors. He was a G.P. He was a Licentiate of the Royal College of Physicians at Edinburgh - LRCPE, but also a Licentiate of the Society of Apothecaries, London - LSA Lon. He held an M.A.
I cannot edit or report that as wrong, the field is fixed.