This tells me that he did. And, in 1863. 
If you can't access this site, use Google.  I  came upon Google Book Search on page 3 (I think) of numerous listings of his name. The Columbia graduates in medicine are listed by year and, there he is in 1863.
Nancy Hyden Woodward

http://books.google.com/books?id=c_kRAAAAYAAJ&pg=PA231&dq=%22William+Bruce+Almon%22&lr=&ei=qW_RSMPaIYyYyASq7PXpAw
On Sep 16, 2008, at 3:43 PM, [log in to unmask] wrote:

I am trying to document the possibility that William Bruce Almon of Halifax, Nova Scotia graduated from the College of Physicians and Surgeons in New York City in 1863. Can anyone suggest somewhere I might search for this documentation?
 
Les Buell



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