Welcoming New Patients
Dr. Bunrith Koy is board-certified in family medicine. He received his medical doctorate degree from the University of North Texas Health Science Center and completed his residency in family medicine with the Houston Methodist Hospital. He is a resident of Katy and proud to be practicing in his community. Currently, Dr. Koy is accepting new patients.
Family Medicine
Preventative Medicine
Chronic Conditions
Pediatrics
Minor Procedures
Physicals / DOT
Open 7 Days A Week
Monday to Sunday: 9AM-7PM
Walk-ins are welcome or click here to check-in online.
Dr. Koy is a Primary Care Provider (PCP)
with Cigna and UnitedHealthCare.

Bunrith Koy, D.O.
Board Certified, ABFM

InstaHealth is committed to providing excellent patient care for children & adults.
Board-certified Doctors Always on Duty
On-site X-rays and labs.
No Wait Times
Walk-Ins Welcome
Most Insurances Accepted
No Insurance? Only $85/Visit
23659 Katy Freeway Ste. 500
Katy, TX 77494
By Costco and next to First Watch
Phone: 713-999-0008
Fax: 713-338-2068
Email: info@instahealthuc.com
Open Every Day
Monday to Sunday 9:00AM-7:00PM

Family Medicine
Blood Pressure
Diabetes
Thyroid
Gastrointestinal Illnesses
Colds / Flu
Ear, Nose & Throat
Skin Ailments
UTI / HIV / STD Testing
PrEP Management
Anxiety / Depression
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TB Testing, EKG, IV's
Tetanus & Flu Vaccines
On-site Labs & X-rays
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Camp / School / Sports Physicals
DOT Physicals / Drug Screening