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

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First Choice Emergency Room

Sienna Plantation LOCATION


8927 Hwy 6

Missouri City, TX 77459


Open 24 Hours


(281) 778-8240


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 Sienna Plantation ER is located on Highway 6 at the corner of Sienna Parkway in Missouri City, TX.


Jennifer Renee Hanes, DO

Dr. Hanes received her undergraduate degree from Central Missouri State University in Warrensburg, MO and her medical degree from the University of Health Sciences College of Osteopathic Medicine in Kansas City, MO. Prior to joining First Choice Emergency Room, Dr. Hanes served as an emergency physician at the Heart Hospital of Austin, North West Hills and Austin Surgical Hospital and as a family clinic and urgent care physician at Texas Hills Urgent Care and DeWitt Family Medicine. She also founded Empowered Medicine, PLLC, a health and allied services company, in 2009. Dr. Hanes is board-certified in emergency medicine and has over 8 years experience practicing emergency. She currently lives in Pearland, TX.