Patient Portal
24×7 access to your records online. Also download healow mobile app. Code: GGBECA
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This is for new and prospective patients to enroll in our practice.
Please do not fill the pre-registration if you are already a patient.
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Office Hours
Monday – Friday7:30 – 5:00
Saturday8:00 – Noon
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Welcome to Willow Brook Medical Center

We provide complete & comprehensive primary care for your whole family in Houston, Texas.

  • Our mission is to provide compassionate comprehensive primary care to the community.
  • Our goal is to help every patient live a healthier life through primary prevention using evidence based screening and providing immediate care for your acute illnesses when you need it most.

We hope that–by providing primary prevention and comprehensive care–we can achieve our mission to keep your entire family healthy.  Thank you for choosing us to be your primary care providers.

family doctor houston

tx dot physical in houston


New Certification or Recertification?

It is required by The Department of Transportation for some drivers to get regular physicals to make sure they can drive safely. Get your DOT Medical Card without stress. We have make the process of getting your DOT physical easy! In order to be cleared for your CDL medical card, you must pass all DOT physical requirements. For drivers who have certain health problems there are some restrictions for commercial.

We offer DOT physicals by DOT-approved physicians. If you need a DOT physical or have questions or concerns about the examination, come to Willowbrook Medical Center in Huston, Texas for short wait times and a thorough examination. Contact us to learn more!

Dr. Quoc Le

Dr. Quoc Le is board certified in family practice and has over 17 years of experience.  He is a graduate of Yale University and the University of Texas Health Science Center at Houston.  He completed his residency training at the Memorial Family Practice Residency Program here in Houston.  Dr Quoc Le is also a certified examiner for the Federal Motor Carrier Safety Administration.

If you are a driver or a motor carrier looking for an examiner, please contact our office to schedule an examination.

Dr. Blandina Sison

dr-sisonDr. Blandina Sison has been in practice in the United States for more than 20 years as a family practitioner.  Dr. Sison received her medical degree from the Philippines and practiced as an Anesthesiologist for 10 years.  She came to the U.S. in 1985 and became a Family Practitioner.  Dr. Sison completed her internship and residency in family medicine at the University of Texas Conroe Family Practice Center.

I love collecting antiques, gardening, and helping in my church’s activities. I plan on staying healthy so that I can serve until the time when my body tells me it’s time to retire.”

Brandi Wisenbaker-Valenzuela, PA

Brandi Wisenbaker-Valenzuela is a Physician Assistant with twenty years of primary care experience. She has been practicing in the Houston and The Woodlands area providing family medicine and cardiology care to her patients. Brandi likes to take time to listen to her patients and make them feel comfortable and provide care for both acute and chronic conditions with an emphasis on preventive medicine.

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