Colorectal Cancer Screening Program Team


Paul McGaha, DO, MPH – Principal Investigator 

Dr. Paul McGaha is Deputy Director for the Center of Rural Community Health at The University of Texas at Tyler Health Science Center (HSC). The Center coordinates the Texas 1115 Medicaid Transformation Waiver Delivery System Reform Incentive Payment (DSRIP) projects. Dr. McGaha previously served as the Texas Department of State Health Services (DSHS) Regional Medical Director for Health Service Region 4 and 5 (North) for 19 years. Dr. McGaha ensures that all CPRIT requirements are fulfilled and directs all components of the project as the principal investigator. He oversees program communications, program monitoring and reporting.

Carlton Allen, MS – Program Director, Co-Principal Investigator

Mr. Allen serves as the Program Director (PD) for the current CPRIT CRC screening grant. He received a Bachelor of Science in Health Professions from Grand Valley State University (MI) and a Master of Science in Health Sciences from The University of Texas at Tyler. He is the primary contact for coordination between all collaborators on this project; manages data collection and assists PD and CoPD with preparing reports required by the CPRIT and HSC. He will coordinate participant education and CRC screenings, participate in local, regional and state meetings as required by CPRIT and travel throughout the target region to support CRC project education and screening efforts and partnerships.

Martha Ross, RN, BSN – Nurse Navigator

Martha Ross is the Nurse Navigator for the CPRIT Project and UTHET.  Martha coordinates research data, community physicians, and HSC System resources into a seamless model of access and care benefiting patients, participating physicians, and family members. She is responsible for the overall navigation of patients through our healthcare system and ensuring there is appropriate follow-up.

Miguel Gaona, BS – Health Education Coordinator

Miguel Angel Gaona has been with HSC for over 15 years. Miguel works with the CPRIT and the CHAGAS disease studies. He recruits community members to have colorectal screening either a colonoscopy or a stool test. Miguel also translates and interprets at our hospital for the Hispanic community. Phone: 903-877-1429 Email:

Blair Loskorn Zdenek, BS — Health Education Coordinator

Blair Loskorn serves as a Health Education Coordinator for the Cancer Prevention and Research Institute of Texas Colorectal Cancer team since March of 2020. She graduated from Tarleton State University and earned a degree in Public Health with an emphasis in Biostatistics and Epidemiology. Blair intends on going to grad school and getting her Master’s in Public Health from The University of Texas at Tyler Health Science Center. Her job responsibilities are promoting prevention screenings for colorectal cancer, being a liaison between the GI clinic and the participating CPRIT clinics, assisting in community outreach, and collecting data for the CPRIT grant. Blair has a passion for prevention and is excited to be able to help her community in any way possible.  Phone: 903-877-1464 Email:

Whitney Rockwell, BS — Health Educator Coordinator

Whitney Rockwell, BS, CHW #10000, is currently serving as the Health Education Coordinator for the Colorectal Cancer Screening Project. Whitney is currently working on her Master’s in Health Administration at HSC.  She studied undergrad at Tyler Junior College where she received her Associates Degree in Arts and went on to study Community Health at Stephen F. Austin State University where she received her Bachelor of Science in Health Science with a minor in nutrition. Her community involvement includes being a part of the current class of Leadership Tyler, Smith County Food and Security Council and volunteering at the East Texas Food Bank.
Phone: 903-877-1428 Email:

Faye H. Robertson, CHW — Administrative Specialist

Ms. Robertson serves the team as our Administrative Specialist. She utilizes her years of experience to provide exceptional support to ensure the team can run smoothly. She recently completed her CHW (Community Health Worker) certification and continues her quest for knowledge to better support the team in their endeavors to assist and educate the communities they serve.