Actually the number (888-636-7794) isn't a scam. Here's the website of Sterling Pathology National Lab: http://www.sterlingpath.com/physicians/sur/billing.htm

Don't call Nanez Moradians (1-818-243-3999)--even though the website tells you to. She no longer works there.

Call this number instead: 1-800-899-8480 and ask why you're being billed. What happened was my mom had a surgery done and the doctor had sent her tissues to Sterling Pathology National Lab without my mom's knowledge and then the bill was sent home 5-6 months later. It's was really the doctor's fault for not telling my mom that he had done that and so my mom is going to call the doctor later. Hope my experience helps.

I also recieved an email. Seems like a scam. Also it was postmarked from santa clarita

I too received the same message with the message area blacked out. Sounds like total BS to me, these guys aren't getting a dime off me and I hope you guys didn't give them any money.

I just received a similar statement in the mail for $400. Haven't had any so called tissue exam.

I just received a bill from this so call Sterling Pathology National Lab too with the same address as the person above (Louis)

It was a bill for lab work from 2011 which I have never had. I have only been to San Francisco once in my life and it was in 2012.

I received two bills from a Company called Sterling Pathology National Lab
PO Box 39000 Dept 34141
San Francisco, CA 94139
Phone is : 888-636-7794

They sent me 2 bills for tissue lab work from 2010. When I tried to reach them at the website, it went to a page that wasn't recognized. When I tried to call their number, it rang and rang but nobody ever picked up. No prompt menu. Nothing. This looks like some kind of medical scam. Has anyone encountered this? The bill was a copy with the message  area blacked out. The return envelope looked like it had been ink stamped by a cheap retail stamp. Everything about this smelled.