Guardian Angel Research Center

About Us

Guardian Angel Research Center

Guardian Angel Research Center is a leading clinical research organization. Our team comprises of skilled healthcare professionals who are committed to delivering top-notch medical research services. We strive to provide our patients with the highest quality of care and expertise.

Our team comprises Board-Certified Physicians, research coordinators, phlebotomists, registered nurses, medical assistants, and office managers, who work together to ensure exceptional patient care.

Located just 5 miles from the Tampa International Airport, our facility is easily accessible via major roadways and public transportation, and transportation assistance is also available for your convenience. We are conveniently located in close proximity to St. Joseph Hospital and Florida Hospital Carrollwood, providing you with access to the best medical care.

Guardian Angel Research Center medical team

What We Do

Paid Clinical Trials in Tampa

At our research center, we conduct clinical trials to explore innovative solutions. Our focus is on developing new treatments and therapies that improve patient outcomes. Our dedicated team works tirelessly to ensure that our clinical trials are of the highest quality.

In addition, our research center focuses on advancing medicine through cutting-edge studies. Our medical professionals and researchers are committed to improving patient outcomes through new treatments and discoveries. By conducting research in a clinical setting, we bring new advancements to our patients quickly.

At Guardian Angel Research Center, we are committed to delivering exceptional medical research services to our patients. Our studies are conducted by Board-Certified Physicians and Certified Investigators, with the support of a highly skilled and experienced clinical team.

Guardian Angel Research Center physician

Our Medical Team

Meet our team of healthcare professionals

Dr. Sadaf Bazargan, MD

Dr. Sadaf Bazargan, MD

Neurology - Pain Medicine

Dr. Bazargan graduated from the Universitat Autonoma De Barcelona Facultat De Medicina in 1990 and has since been providing medical care as a healthcare provider. She specializes in Neurology and Pain Medicine. With over 30 years of experience in medicine and more than 10 years dedicated to research.

Dr. Mario Hernandez, MD

Dr. Mario Hernandez, MD

Family Medicine

Dr. Mario F. Hernandez is a board-certified family medicine physician with a Bachelor of Science from Central Michigan and a Doctor of Medicine from Universidad Autonoma de Guadalajara. He completed a residency at University of Kentucky and received awards. He is a member of the Florida Medical Association and the American Academy of Family Physicians. Dr. Hernandez dedicated many years to the research industry as a Principal Investigator for more than 6 years.

Dr. Luis Lopez, MD

Dr. Luis Lopez, MD

Gastroenterologist

Dr. Lopez graduated from Ponce School of Medicine and completed residencies in Internal Medicine and Gastroenterology. Known for exceptional patient care. Dr. Lopez's extensive medical background and commitment to patient well-being make him a trusted provider in the community. Dr. Lopez has been a Principal Investigator for more than 8 years.

Dr. Liuber Carballar, MD

Dr. Liuber Carballar, MD

Internal Medicine

Dr. Liuber Carballar Alberteries, MD is a highly skilled healthcare provider with over 22 years of experience. He graduated from Universidad De Ciencias Medicas De La Habana in 2001 and specializes in Internal Medicine. Dr. Carballar has been involved in clinical trials since residency and throughout his career in many therapeutic areas.

Dr. Jerges J. Cardona, MD

Dr. Jerges J. Cardona, MD

Pulmonologist

Dr. Jerges J. Cardona is a pulmonologist in Tampa, Florida and is affiliated with multiple hospitals in the area, including AdventHealth Tampa and St. Joseph's Hospital-Tampa. He received his medical degree from Ponce Health Sciences University and has been in practice for more than 20 years. He has expertise in treating insomnia and sleep apnea, pneumonia, asthma, among other conditions.

Find a Clinical Research Study for You

Help advance medicine, discover new treatments for your condition, and make a positive impact on the future health of your family and community.

Available Clinical Studies

The following studies are currently recruiting participants. Contact us today for detailed information.

Diabetic Foot Ulcers

Phase: Phase 3 / Start Date: May 2025

Diabetic foot ulcers (DFUs) are ostensibly the most challenging types of chronic ulcerations to manage, given their multifactorial nature. Thorough, systematic assessment of a patient with a DFU is essential to developing a comprehensive plan of care.

Enrollment Open

Alzheimer Related With Psychosis

Phase: Phase 3 / Start Date: Jun 2026

Enrollment Open

75+

Studies Conducted

1500+

Patients Enrolled

99.3%

Retention Rate

99.7%

Patient Satisfaction