Last week, hospital officials began notifying patients of the February theft.
The records were stored by storage provider working with Glens Falls Hospital in New York.
The psychologist was a private contractor for Washington's Department of Social and Health Services.
Current and retired employees of Allen County, Ohio were affected.
A surgeon's laptop containing the personal information of patients was stolen while he was on vacation.
Officials at the University of Mississippi Medical Center posted an online notice, saying they had "insufficient contact information" to individually notify those potentially compromised.
A worm detected on a school server at Salem State University caused a breach.
A CSC (Computer Sciences Corporation) employee lost a USB thumb drive that included personal records belonging to more than 50,000 Medicaid providers nationwide.
A large number of medical documents and files containing private information were found in a dumpster outside of an office complex in Hiram, Ga.
Envelopes containing a tax form mailed in late January to retired government employees in North Carolina may have revealed the recipients' Social Security numbers.