Where the experts come to work
Since 2011, we’ve been serving our community and the clinical research industry. When you work with the best people, you receive the best care.
Center Leadership

Howard Schwartz, MD
Chief Medical Officer
Dr. Howard Schwartz is the Chief Medical Officer for CenExel RCA and serves as Principal Investigator on Vaccine and Phase I trials and as a Sub-Investigator on most other trials. He has been involved with over 1000 trials in multiple therapeutic areas and attributes his success to combining a well-trained research staff with a skilled Investigator and motivated trial participant. Throughout his career, he has always led with integrity and made sure all members of the team are well trained on GCP and study specific requirements.
Dr. Schwartz is Board Certified in Internal Medicine and Gastroenterology and practiced in South Florida for over 30 years. He is now focusing on making CenExel RCA the premier research site in South Florida. He has lectured and published extensively on many of the clinical trials in which he has participated. Additionally, he served as an industry consultant and served on numerous Data Safety Management Boards.
Dr. Schwartz was born in Philadelphia, moved to Florida to attend college and never went home. He is a graduate of the University of Miami Miller School of Medicine where he also completed his Internal Medicine Residency and Gastroenterology Fellowship. He is married with 3 children. He is an avid sports fan, golfer and boater.

Peter Ventre, MD
Founder & Principal Investigator
Dr. Ventre earned his Bachelor of Science degree in Biology and Science from the University of Puerto Rico and continued his medical studies at San Juan Bautista School of Medicine in Caguas, Puerto Rico. He earned his medical degree from the Universidad Iberoamericana, Santo Domingo, and completed internal medicine and psychiatry residencies at the Mount Sinai School of Medicine, Cabrini Medical Center, and the University of Florida psychiatry program.
Dr. Ventre is board certified in psychiatry by the American Board of Psychiatry and Neurology. In addition to being a principal investigator with experience in over 125 trials, he is the owner of one of Broward County’s largest group practices, Ventre Medical Associates (VMA), a quality referral source CenExel RCA. VMA is contracted with Broward Health to provide all psychiatric services for Broward Health Medical Center and Broward Health Imperial Point. Dr. Ventre also serves as Chief of Psychiatry at Broward Health Medical Center.
Meet Our Physicians / Investigators

Timothy Grant, MD, FAASM
Medical Director

Nelson Cordero-Torres, MD
Principal Investigator

Sandeep Mendiratta, MD
Principal Investigator

Americo Padilla, MD
Principal Investigator

Nelia Sanchez-Crespo, MD
Principal Investigator

Craig Shapiro, DO
Principal Investigator
He completed a one-year rotating internship at Botsford General Hospital in Farmington Hills Michigan. Dr. Shapiro completed his ENT and Facial Plastic training at The Philadelphia College of Osteopathic Medicine and Medical College of Pennsylvania in Philadelphia, Pennsylvania. During his time in practice, Dr. Shapiro has held elected positions as Chief of Otolaryngology Department of several hospitals. Now, he is an investigator in multiple clinical trials at CenExel RCA.

Surisaday Mederos
Sub-Investigator
She has practiced in various health settings including, hospitals and private practices. Additionally, Suri has over two years of experience working as a provider for a neurology practice focused on sleep medicine.
Surisaday’s passion is to advocate for her patients and practice using the best evidence available in order to promote and prioritize safety. In addition, she loves to spend time with her family and two children.

Jennifer Schwartz
Board-certified Family Nurse Practitioner
As a Family Nurse Practitioner, she worked in an endocrinology practice treating hormonal imbalances and providing nutrition and diabetes counseling. She became a Certified Diabetes Educator (CDE) to further enhance this skill set. She continued her career at Village Park Medical where she practiced in internal medicine and infectious disease.
Jennifer has a profound interest in medical research. Over the last ten years, she worked as a research coordinator, then a registered nurse in a Phase I unit, and now as a Nurse Practitioner for Phase I, II, and III clinical trials. Jennifer enjoys living in Miami, spending time with her family and staying active with tennis and yoga.

Janet Sentil Tamayo
Board-certified Nurse Practitioner

Mayra (May) Fernandez
Director of Operations
May has excellent organizational, analytical, and project management skills. Leading by example and being very passionate about coaching her team to meet and exceed the business goals is what May brings every day to our organization.
Safety and quality are paramount
Our physicians have extensive backgrounds in their respective medical specialties and always prioritize patient safety.
Board-certified
200+ years of collective clinical trial experience
Assisted by expertly-trained medical staff


Early phase unit, late phase space, and sleep lab all adjacent
Having all departments housed in the same location simplifies the process for our patients
Also partnered with Fort Lauderdale Behavioral Health Center to conduct inpatient and outpatient psychiatric trials
On-site PBMC isolation lab certified by Duke University Proficiency Program
Locations
RCA Main Facility
7261 Sheridan Street, Suite 210
Hollywood, FL 33024
Monday – Friday 8AM – 5PM
RCA South
9299 SW 152nd Street, Suite 100
Miami, FL 33157
Monday – Friday 8AM – 5PM
RCA Fort Lauderdale Inpatient Facility
5757 North Dixie Highway
Oakland Park, FL 33334
Monday – Friday 8AM – 5PM
We’re a CenExel
Center of Excellence
Centers of Excellence provide unparalleled attention to detail to assure consistent and first-class quality in patient care. We have supported tens of thousands of studies, the variety and complexity of which have resulted in a great depth of experience for the principal investigators and research staff at each Center.
We deliver engagement, expertise, and results.
