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Colon Cancer Awareness - Schedule your Colon Cancer Screening today

Welcome to Park Plaza Medical Associates

Please Note: We have moved into Suite 1025 in the same building

New Procedure for Parkinson’s disease

Dr. Ryan Barrientos (Park Plaza Gastroenterology) has recently taken the initiative to participate with neurologists of the Texas Medical Center in Houston, Texas, in a new FDA-approved treatment for advanced Parkinson's disease.

Dr. Ryan BarrientosDuopa (Carbidopa/Levodopa enteral suspension) is an FDA-approved therapy, indicated for the treatment of motor fluctuations in patients with advanced Parkinson’s disease. Duopa is infused through a specially designed intestinal tube, endoscopically placed under anesthesia. Park Plaza Hospital has taken strives to become the center in Houston for placement of this intestinal tube, successfully hosting the FIRST patient in the state of Texas to receive this therapy. In addition, Park Plaza Hospital becomes the first facility in the Tenet Healthcare Corporation to participate in the implementation of this therapy.

In addition to this groundbreaking treatment, Dr. Ryan Barrientos also actively participates in the management of various gastrointestinal problems associated with Parkinson's disease, from gastroparesis to constipation.


Specialist in Gastroenterology and Hepatology

The mission of Park Plaza Medical Associates is to Partner with you to develop a health care plan to fit your individual needs. You can trust our experienced physicians and staff to provide personalized care respecting you, your time and your health care decisions. With early morning and evening appointments available, we are here to meet the needs of our community.

> Meet Dr. Barrientos

> See Dr. Barrientos’ appearance on the Debra Duncan show!

> Find Park Plaza Medical Associates

> Our Services

> En Español

> Learn more about our excellent Family Medicine Doctors on EliteFamilyDoctor.com


Your health is important to us. Please visit this link for patient education. We also offer the following informative videos on our site:

Colorectal cancer

Upper Endoscopy

Viral Hepatitis

Acid Reflux

Liver Disease



Award for Houstonia feature on top doctors of 2015Dr. Ryan Barrientos Named a Top Doctor of 2015

Recently Dr. Barrientos was featured in the Houstonia magazine as one of their top doctors of 2015. He was selected for this award by his peers.



I know Dr. Barrientos is a very busy man and we are so appreciative of the two hours he took with my daughter and myself. I just cannot thank him and the staff enough for everything…small and large, it made a big difference.” Tammy Korenek


patient forms


Patient Forms
can be downloaded online and filled out before arriving for your appointment to save time.

Click here to view our New Patient Forms

We Accept All Popular Insurance Carriers
Click here for a full list of the Insurance Coverage we accept.

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