USF Health Department of Dermatology and Cutaneous Surgery
Meet our staff



Merlyn Thomas, APRN
Family Medicine
About
Thomas received her Master of Science in nursing from the University of South Florida. Her nursing career started in India, where she earned a master's degree in hospital administration from Mahatma Gandhi University after completing a Bachelor of Science in nursing from the University of Mangalore. She is a member of the Trained Nurses Association of India and the Indian Nurses Association of Central Florida.
Danielle Veru, PA


Atreyi Chakrabarti, MD
Family Medicine
About





Julia Young, APRN
Family Medicine
About
Julia N. Smith is a clinical nurse who delivers integrative and evidence-based nursing care in collaboration with an inpatient multidisciplinary team of physicians, advanced practice providers, specialists, support staff and registered nurses. She earned her Master of Science in Nursing at the University of Tampa and Bachelor of Science in Nursing at the University of South Florida. Smith is affiliated with the Florida Association of Nurse Practitioners and received the CVS Health Foundation Scholarship, McNichols Scholarship and the TGH Nurses Week Scholarship. She is also a member of the Sigma Theta Tau International Honor Society of Nursing.

Antonio Duroy Farrales, MD
Family Medicine
About
Dr. Farrales treats patients of all ages.
Dr. Farrales is recognized by the NCQA Diabetes Recognition Program.

Nathan C Devabose, MD
Internal Medicine
About

Philippe Chain, MD
Family Medicine
About
Dr. Chain is a member of the American Academy of Family Physicians (AAFP), American Medical Society for Sports Medicine (AMSSM) and Connecticut Academy of Family Physicians (CAFP). Previously, he volunteered as a member of the medical professional team for the Boston Marathon and as an assistant coach for the North Bay Down Syndrome Society Special Olympic athletes. Dr. Chain is fluent in both English and French.
Dr. Chain treats patients of all ages.
Dr. Chain is recognized by the NCQA Diabetes Recognition Program.

Dakshina Walgampaya, MD
Internal Medicine
About

Jason Moses Castro, DO
Family Medicine
About
- osteopathic manipulation and trigger point injections
- sports medicine and joint infection
- dermatologic procedures
Dr. Castro is a member of the American College of Osteopathic Family Physicians (ACOFP).
Dr. Castro treats patients of all ages.


Jorge A Gadea, DO
Internal Medicine
About
Dr. Gadea has practiced as a primary care physician in the Tampa Bay area since 1998, providing care for adult and geriatric patients. For over six years, he served as a medical director for a private/public collaboration between the Florida Agency for Health Care Administration (AHCA) and Pfizer pharmaceutical company leading a disease management program specifically designed to help a large group of patients suffering from chronic medical conditions such as congestive heart failure and diabetes to better understand their medical conditions and health needs in order to better care for themselves and improve their quality of life.
Dr. Gadea's professional interests include individualized diabetes care, hypertension, chronic obstructive pulmonary disease and hyperlipidemia. He focuses on preventive health and patient education, and encourages his patients to take an active part in their healthcare plan.
Dr. Gadea has received numerous 'Patients Choice Awards' and was recently recognized as one of 'America's Best Physicians' by the National Consumer Advisory Board. He is a member of the American Osteopathic Association and has received recognition from the National Committee for Quality Assurance for diabetes care. He is fluent in English and Spanish.
Outside of the office, Dr. Gadea enjoys exercising, fishing and travelling with his family.