More than a dozen ketamine clinics have opened up across the city in recent years, according to some counting by Crain’s . Interest in the drug as a treatment for depression and other mental-health issues is up even though the Food and Drug Administration has yet to green-light the hospital anesthetic for this kind of use, and Manhattan in particular is having a little microboom among providers. (There are, of course, clinics expanding into wealthy slices of Brooklyn, too.) There is a funny trend within the trend, though: As Crain’s found, and a quick search of our own confirms, a bunch of these clinics have leased office space along a commercial strip on or just off Madison Avenue, forming a trippy little corridor around Grand Central.

Nushama, which describes itself as “instigat

See Full Page