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 MD

Jennifer Renee Hanes, DO

Dr. Jennifer Hanes is a board certified emergency physician who graduated magna cum laude from University of Central Missouri and successfully completed medical school at Kansas City University of Medicine and Biosciences. She completed her residency in Emergency Medicine from Oklahoma State University in 2006. Experience as an attending physician at St. Luke's Emergency Department, a Level I trauma center in Kansas City, to the Heart Hospital of Austin, gives her a unique ability to combine fast-paced life saving care with an amazing bedside manner and high patient satisfaction. Dr. Hanes has been nationally recognized for her expertise contributing to medical reports for prestigious outlets such as MSNBC, FoxNews, Glamour, Shape and Health. She joins First Choice Emergency Room as the medical director of our Sienna Plantation facility, the same neighborhood in which she resides with her family.