Google’s online filing cabinet for medical records opened to the public Monday, giving users instant electronic access to their health histories and worrying a privacy advocate.

Called Google Health, the service lets users link data from a handful of pharmacies and care providers, including Quest Diagnostics labs. Google plans to add more.

Similar offerings include Microsoft Corp.’s HealthVault and Revolution Health, which is backed by AOL co-founder Steve Case.

Google Health differentiates itself from the pack through its user interface and things like the public availability of its application program interface, or API, said Marissa Mayer, the Google executive overseeing the service.

Mary Adams, 45, a Cleveland Clinic patient who participated in the Google Health pilot, said that she was initially concerned about the privacy of her medical knowledge.

Still, she felt safe suitable to enroll and has been using the service for about six months, linking it with an online health management tool from the Cleveland Clinic

and adding info on prescriptions and doctors to her online profile.

“I hate pieces of paper lying around my house, so I love the fact that i can log on with my normal Google login info and see everything at a glance,” she said, adding that with its public availability she’ll try to get her sister to use it.

The service, still a non-final “beta” version, does not include ads. But Mayer said Google doesn’t plan to start placing them to support the site. A search box on Google Health pages leads to standard Google search results pages, where there are advertisements.

Besides importing records from providers, users can enhance their password-protected profiles with details such as allergies and medications, they can search for doctors and they can locate Web-based health-related tools.

Mountain View-based Google Inc. views its expansion into health records management as logical considering its search engine already processes…

Orginal post by Top Tech News