In this collaboration with the investigative journalism organization ProPublica, Yelp incorporates health care statistics and consumer opinion survey data onto the Yelp business pages of more than 25,000 medical treatment facilities. Through this partnership, Yelp has access to information compiled by ProPublica and the Centers for Medicare and Medicaid Services for 4,600 hospitals, 15,000 nursing homes, and 6,300 dialysis clinics in the US. This information is updated quarterly to ensure accuracy.