The nation's oldest and largest freestanding emergency room system.

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First Choice Emergency Room

Northwest San Antonio LOCATION


5530 Tezel Rd

San Antonio, TX 78250


Open 24 Hours


(210) 437-1180


First Choice Emergency Room is the nation’s leading freestanding emergency room system; it is both largest and the oldest. First Choice Emergency Room facilities are innovative, freestanding, and fully equipped emergency rooms with state of the art diagnostic technology (CT Scanners, Ultrasound, Digital X-ray) and on-site labs. All First Choice Emergency Room locations are exclusively staffed with board-certified emergency physicians and emergency trained registered nurses.

Our Northwest San Antonio ER is located at the corner of Tezel and Culebra, next to HEB.


Charles Singstad, MD

Dr. Singstad received his undergraduate degree from Johns Hopkins University in Baltimore, MD and his medical degree from the University of Pennsylvania School of Medicine in Philadelphia, PA. Prior to joining First Choice Emergency Room, Dr. Singstad served as the Emergency Department Medical Director at Northeast Baptist Hospital. He is board-certified in emergency medicine and has over 15 years practicing emergency medicine. Dr. Singstad currently lives in San Antonio with his wife.