Locations » Dallas/Ft. Worth Area » Frisco - Preston

City Hospital Emergency Care Center
Texas Health Emergency Room

Frisco - Preston

5245 Preston Rd

Frisco, TX 75034

Open 24 Hours



City Hospital Emergency Care Center offers the highest quality emergency medical care to Frisco residents. Our freestanding neighborhood ERs help you get the care you need, fast.

You get the same quality of care you would see in a hospital ER, including board-certified physicians and nurses trained in emergency care. Our emergency rooms are equipped with advanced imaging equipment, including CT Scanners, Ultrasound and digital X-ray.

Best of all, our neighborhood ERs have little or no wait time. You can be seen in minutes. Use our online check-in option for even faster care.

Our Frisco ER is located at the corner of Preston and Lebanon Road.


Mariah N. Manzanares, MD

Dr. Manzanares received her undergraduate degree from the Massachusetts Institute of Technology in Boston and her medical degree from the University of California at San Francisco School of Medicine. Previously, Dr. Manzanares served as an emergency physician at QuestCare, Medical Center of Lewisville Emergency Department in Lewisville, TX. She also served as an Associate Medical Director at Presbyterian Healthcare Systems, Rust Medical Center Emergency Department in Rio Rancho, New Mexico prior to moving to Texas. Dr. Manzanares is board-certified in emergency medicine and has over 10 years experience practicing emergency medicine. She currently lives in Frisco, Texas.