Meet Our Team of Primary Care Providers and Specialists
Our physicians are dedicated to providing compassionate, individualized care to patients in a comfortable, professional environment. Here, physicians listen carefully and provide explanations and answers while encouraging patients to participate in all medical decisions. Because at UCF Pegasus Health, health care is a team sport. Come experience the difference.
Choose a doctor from the list below:
Abdo Asmar, M.D.
Dr. Abdo Asmar is board certified in internal medicine and nephrology. He received his fellowship training in Clinical Nephrology at the University of Florida. He specializes in caring for patients with kidney disease, high blood pressure, kidney stones and disorders of electrolyte and mineral metabolism.
Dr. Asmar received his M.D. degree at Kaunas Medical University in Kaunas, Lithuania. He did his residency at Cook County Hospital in Chicago, where he was named Chief Resident. He was also active in medical education and was honored with multiple teaching awards.
A Word From Dr. Asmar
Analia Castiglioni, M.D.
Dr. Castiglioni is Board Certified in Internal Medicine.
Dr. Castiglioni received her MD from the Medical College of Pennsylvania (now Drexel University) in 1997. She completed her Internal Medicine Internship, Residency and a Clinician Educator Fellowship at the University of Pennsylvania in Philadelphia, PA.
Before joining UCF Pegasus Health in 2012, Dr. Castiglioni was on faculty at the University of Alabama at Birmingham where she was promoted to Associate Professor of Medicine. She served as a physician both at the Hospital of the University of Alabama at Birmingham and the Birmingham VA Medical Center. Her clinical interests include Comprehensive Adult Primary Care, Prevention and Women’s Health; including treatment of menopause, osteoporosis and routine Pap smear screening. She is an active member of the Society of General Internal Medicine. Dr. Castiglioni is originally from Uruguay and is fluent in Spanish.
Bernard Gros, M.D.
Dr. Bernard Gros is a board-certified cardiologist with an emphasis in echocardiography.
Dr. Gros began his medical career at Emory University School of Medicine and continued on to residency in Internal Medicine at the University of Michigan. After completing residency, he pursued cardiology training in Ann Arbor and was appointed to the board of the Michigan Society of Echocardiography.
Upon completing his training, Dr. Gros accepted an appointment with the Cardiology Associates of Gainesville where he held a medical staff appointment at Shands. As part of his medical staff appointment, he served on the Medical Record, QIC, Critical are and Credential Committees. In 2000, Dr. Gros was appointed as the Chief of Medicine at Shands and eventually served on the Executive Committee and as the Chief of Operations/Medical Staff for the system. In 2002, he was appointed as Medical Director of Cardiology Associates of Gainesville Non-Invasive Lab where he was recognized as one of “American’s Top Physicians”.
Dr. Gros is a member of the American Heart Association, American College of Cardiology and American Society of Echocardiography.
Irene Alexandraki, M.D., M.P.H.
Dr. Irene Alexandraki is board-certified in internal medicine and infectious diseases. She earned her M.D. from the University of Athens School of Medicine in Athens, Greece, and her Masters of Public Health from the University of North Florida in Jacksonville. She joined the UCF College of Medicine in August 2013, where she continues her clinical and medical education career that began at the University of Florida, College of Medicine, where she was the recipient of numerous teaching awards. Her clinical interests include evidence-based medicine, health disparities and quality improvement.
Dr. Alexandraki began her medical career at the University of Athens School of Medicine and continued on to residency at Hahnemann (Drexel) University in Philadelphia. After completing her residency, she pursued a fellowship in Infectious Diseases at Baylor College of Medicine in Houston. She completed a Master of Public Health at the University of North Florida and a fellowship in Medical Education at the University of Florida.
Dr. Alexandraki is a member of many organizations, including the Society of General Internal Medicine, AAIM/Clerkship Directors in Internal Medicine, Infectious Diseases Society of America, American College of Physicians, and the American Medical Association. Dr. Alexandraki serves on many national committees and is a reviewer for various peer-reviewed publications and organizations. She has presented her work at national and local conferences; authored many peer-reviewed articles; and written chapters for medical textbooks and online publications.
Joyce Ann Paulson, M.D.
Dr. Joyce Paulson is board certified in Internal Medicine. She began her medical career at the University of South Florida College of Medicine after graduating with a B.S. in microbiology and cell science from the University of Florida.
She did her residency training at Emory in Atlanta, Georgia. While at Emory she participated in a pipeline program where she served as a role model for students at a local Atlanta public high school. She also participated in research and quality improvement projects at Grady Memorial Hospital Primary Care Clinic.
Dr. Paulson is a member of the American College of Physicians, and had previous memberships in the Asian Pacific American Medical Student Association, Christian Medical Association, International Health Services Collaborative and the Alpha Epsilon Delta Premedical Honor Society.
Leonardo Oliveira, M.D.
Internal and Sports Medicine
Dr. Leonardo Oliveira is board certified in internal medicine with a specialty in sports medicine. His research interests range from wellness to disease prevention, running injuries, and exercise performance.
An exercise and sports enthusiast, Dr. Oliveira received his M.D. degree from Universidade Federal Fluminense in Brazil. Before coming to Pegasus Health, Dr. Oliveira completed his residency with distinction at the Cleveland Clinic, having participated in the Clinical Scholars Program, where he also completed a Primary Care Sports Medicine Fellowship. While there, he served as the team physician for John Carroll University and Bedford High School and provided medical coverage at running events such as the Cleveland Marathon.
As an internal medicine and sports medicine specialist, Dr. Oliveira said he hopes to care for a variety of UCF Pegasus Health patients, including patients with acute and chronic illnesses and injuries, sports concussions, athletes, physically active individuals and those interested in improving their overall health.
A Word From Dr. Oliveira
Lisa C. Barkley, M.D.
Family Medicine and Sports Medicine
Dr. Lisa Barkley is board certified in family, adolescent and sports medicine. She also serves as assistant dean of diversity and inclusion for the UCF College of Medicine.
Dr. Barkley received her M.D. at Temple University in Philadelphia, Pennsylvania. She did her internship and residency in family medicine at Montgomery Family Medical Residency in Norristown, Pennsylvania. She did her fellowship in adolescent and sports medicine at Christina Care Health System in Wilmington, Delaware.
Before joining the UCF College of Medicine in 2011, Dr. Barkley was associate vice president for health and wellness at Delaware State University and founding dean of the College of Health and Public Policy. She joined UCF Pegasus Health in 2012. She has done research and presentations on topics ranging from eating disorders among competitive ice skaters to health disparities among African American adolescents.
A Word From Dr. Barkley
“Throughout my career, I have learned how to take care of all kinds of people in all kinds of settings. I believe the best physicians appreciate the differences that each one of us brings to our collective team.”
Maria Cannarozzi, M.D.
Dr. Maria Cannarozzi is board certified in Internal Medicine and Pediatrics. Her clinical interests include wellness and healthy weight management, adolescent medicine, school performance and women’s health. She has been named “Best Doctors in Orlando and America” for the past two years.
Dr. Cannarozzi received her M.D. at the University of South Florida College of Medicine after achieving a B.S.N. at the University of Central Florida and her O.D. at the University of Houston College of Optometry.
A Word From Dr. Cannarozzi
Mariana B. Dangiolo, M.D.
Family and Geriatric Medicine
Dr. Dangiolo is a board certified family physician with subspecialty certification in geriatric medicine. As a bilingual doctor, she has dedicated part of her career to serving American Indian and Latino populations.
Dr. Dangiolo received her M.D. from Universidad de Buenos Aires, Medical School in Buenos Aires, Argentina. She had her residency training in family medicine at the renowned Mayo Medical School College of Medicine in Rochester, Minnesota. She completed a fellowship in geriatric medicine at Stanford University School of Medicine and served as geriatrician at the Veterans Affairs Hospital in Palo, Alto, California.
A Word From Dr. Dangiolo
Neha Bhanusali, M.D.
Dr. Neha Bhanusali is board certified in Rheumatology and Internal Medicine. Her areas of specialization include inflammatory arthritis, lupus, osteoarthritis, advanced biologic therapies and osteoporosis.
Prior to joining UCF Pegasus Health, Dr. Bhanusali served as an Assistant Professor of Immunology, Allergy and Rheumatology at Baylor College of Medicine in Houston, TX.
Dr. Bhanusali earned her M.D. from Saint George’s University in Grenada. She completed a residency in Internal Medicine at St. Luke’s-Roosevelt Hospital Center, University Teaching Hospital of Columbia College of Physicians and Surgeons, in New York, NY; and a fellowship in Rheumatology at Columbia Presbyterian Medical Center, in New York, NY.
Dr. Bhanusali is member of the American College of Rheumatology, and has traveled around the world as a medical volunteer.
Sergio Salazar, M.D., F.H.M.
Dr. Sergio Salazar is board-certified internist. He began his medical career at the American University of the Caribbean and progressed to residency training at James H. Quillen College of Medicine at East Tennessee State University where he also served as a chief resident.
During his time at ETSU, Dr. Salazar was honored with Outstanding PGY-1 and PGY-2 residency awards, inducted into Alpha Omega Alpha Honor Society and received the Dean’s Excellence in Teaching Award. After finishing residency, Dr. Salazar began to practice traditional internal medicine. Next, he was asked to design and direct the first hospitalist service at Baptist Memorial Health in Huntingdon, Tennessee. He has been recognized as an excellent teacher by the Bethel College and the University of Florida physician assistant programs. In 2010, Dr. Salazar returned to teaching as part of the internal medicine residency program at Orlando Health.
Dr. Salazar is a member of the American College of Physicians and Alpha Omega Alpha Honor Society. He is also a fellow of the Society of Hospital Medicine.
Shazia Bég, M.D.
Dr. Shazia Bég is board certified in Internal Medicine and Rheumatology. She specializes in the diagnosis and treatment of diseases of the joints, muscles and bones. Dr. Bég’s clinical interests include inflammatory arthritis such as rheumatoid arthritis, psoriatic arthritis and ankylosing spondylitis and non-inflammatory conditions such as osteoporosis and osteoarthritis. She also manages connective tissue diseases such as lupus, scleroderma and sjogren’s syndrome.
Dr. Bég received her M.D. degree at SUNY Upstate Medical University, where she also did her Internal Medicine residency and was named to the University’s Gold Humanism Honor Society for her excellence in clinical care, leadership, compassion and dedication to service. Dr. Bég completed a clinical fellowship in rheumatology at the Baylor College of Medicine in Houston.
Dr. Bég is a member of the American College of Rheumatology and The International Society of Clinical Densitometry. She has volunteered at clinics for the underserved and during her fellowship conducted research to study disparities in access to care in minorities with lupus. Dr. Bég aims to make a difference by taking care of the growing segment of population with arthritis and rheumatism, helping improve their quality of life and wellbeing.
A Word From Dr. Bég
“I enjoy clinical medicine not only because I am able to diagnose and manage disease, but also because of the rapport I build with each of my patients. I am thrilled to be working with the team at Pegasus Health who share a common goal of providing up-to-date quality care to our patients. I look forward to working closely with my patients to help manage their chronic rheumatic conditions so they can make the most of their lives.”