National Doctor's Day - Honoring our Investigators

National Doctor's Day

Amidst the crisis COVID-19 has brought, our doctors are being tried more than ever. We should never forget the risk they put themselves at every single day, but today, March 30th, 2020 is National Doctor’s Day, and we are honoring our brave Principle Investigators at each of our locations.

Who are Principal Investigators? 

As Principal Investigators (PIs), our physicians are responsible for the overall safety of the patients volunteering for the study, the accuracy of the research data being collected, and the oversight and safety of all research staff.

Without our PIs, just like without our volunteers, we could do nothing to help advance treatment options for the future.

Houston, TX (Webster) – Dr. Joe Pouzar, Primary Care Physician


Dr. Pouzar has been serving his Houston area community as a primary care physician since 1990. He graduated magna cum laude from the University of Houston with his B.S. in Biology, closely followed by his Doctor of Medicine from the Baylor college of Medicine in 1987.

Dr. Pouzar began working with Centex Studies in 2011 and has now completed over 200 clinical trials in various different areas such as men’s health, women’s health, heart disease, liver disease, obesity, mental illness, and much more.

Lake Charles, LA – Dr. Michael Seep, Primary Care Physician


Dr. Seep is a primary care physician in the Lake Charles, LA area. He graduated magna cum laude from Louisiana State University with his bachelor’s degree in Zoology. From there, he went on to earn his Doctor of Medicine from LSU medical school. Not only does Dr. Seep have a private family practice, but he also instructs nursing courses at McNeese University.

Dr. Seep started working with us here at Centex in 2012 and has now completed over 100 clinical trials. He’s conducted studies evaluating potential new options in areas such as metabolic health, liver disease, heart disease, obesity, men’s health and many more.

McAllen, TX – Joel Solis, Primary Care Physician


Dr. Solis has been serving the McAllen area for over 15 years. Not only in his private practice, but also in the ER, sports medicine, and as an instructor for several courses at University of Texas Rio Grande Valley. Dr. Solis began his medical career by earning his Bachelor’s and Master’s of Biology from the University of Texas San Antonio. From there, he went on to earn his Doctor of Medicine from the Rutgers Robert Wood Johnson Medical School.

Dr. Solis began working with Centex in 2015 and has now completed over 100 clinical trials in areas such as men’s health, heart disease, metabolic disease, liver disease, and much more.

Play Your Part Today!

Our investigators have been serving their community for years, but they can’t do it alone! We need the help of brave volunteers like you to advance treatment options for the future. Browse our currently enrolling studies here: South Houston, North Houston, Lake Charles, McAllen


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