It's the similar situation in San Francisco:
Ed Rosenthal: SF GATE: More Medical Marijuana Dispensaries than Starbucks in San Francisco
Please note that the San Francisco number is from months ago. There are probably even fewer Starbucks and even more cannabis clubs now.
But of course, both San Francisco and Los Angeles cannabis club numbers include estimates of illegal ones. So it's hard to pin down the real situation.
Those are government numbers nonetheless. Not some crazy out of thin air numbers.