Similar ads have been posted in other cities. The name and phone number changes.
Here's one example:
http://virginia.backpage.com/FemaleE...-only/13828488
http://escortprofile.xxx/201-710-0111
43 Ads in Norther VA, DC, and SO Maryland.
Sun Therapy
KAO Therapy
Sin Therapy
All the ads look the same. I was not able to find any information on wellness world international. Just more BP ads similar to the ones above. Rate did go up in by $20 for the ad in Biloxi.
Call them and ask for their LCMT license number and see what they say.