Rosa L. Ayala, 35, of Cedar Rapids faces felony charges of identity theft, first degree theft and fraudulent practice after a hospital stay last year in Iowa City.
According to court records, Ayala received medical treatment and medication from the University of Iowa Hospitals and Clinics in June 2010 at a cost of more than $10,000. She charged the costs while using the identification of another person, police said.
Ayala was being held at the Johnson County Jail on Wednesday morning.
First degree theft and fraudulent practice are class C felonies each punishable by up to 10 years in prison and a maximum $10,000 fine. Identity theft is a class D felony punishable by up to five years in prison and a maximum $7,500 fine.