Peter Schaubhut (pronounced Shaw-but) is an excellent ferret doc who
I've used for years, and he's more reasonable than Animal Medical Center
(although just about everybody is.)  He also does holistic, if you're
interetsed in that.  He's at:
 
East Village Veterinarian
241 Eldridge Street
(1 bl west of 1st Ave, 1/2 bl so. of Houston St, Manhattan)
tel. (212) 674-8640
[Posted in FML issue 3007]