About Us

Progressive Clinical Research is based on teamwork dedicated to exceptional patient care and to the performance of quality pharmaceutical research. We are an independent, multispecialty research facility located in the heart of the South Texas Medical Center. Our physicians and coordinators have been involved in clinical research for over 20 years.

About Us

Progressive Clinical Research is based on teamwork dedicated to exceptional patient care and to the performance of quality pharmaceutical research. We are an independent, multispecialty research facility located in the heart of the South Texas Medical Center. Our physicians and coordinators have been involved in clinical research for over 20 years.

Our Doctors

Mark S. Lee, M.D​
Mark S. Lee, M.D. is the Medical Director of Progressive Clinical Research. He received the Doctor of Medicine degree from the George Washington University School of Medicine in Washington, D.C. and completed his residency training in Dermatology at the Brooke Army Medical Center in San Antonio, TX. He is board-certified in Dermatology and has been involved in clinical research for over 20 years. Dr. Lee has conducted over 300 studies.
Theresia L. Lee, M.D.​
Theresia L. Lee, M.D. is the Assistant Medical Director of Progressive Clinical Research. She received the Doctor of Medicine degree from the George Washington University School of Medicine in Washington, D.C. and completed her residency training at the Mayo Clinic. She is board-certified in Pain Medicine and Anesthesiology. Dr. Lee has been practicing in San Antonio, TX for over over 20 years. She is a Certified Principal Investigator by the Association of Clinical Research Professionals (ACRP).

Our Location​

1973 Northwest Loop 410 Unit 106, San Antonio, TX 78213

Progressive Clinical Research is located on the 410 Loop surrounding the San Antonio Metropolitan area.