About
Castillana F. (Duvernay) Aguy is a health law attorney at The Health Law Firm, P.A., who focuses on representing physicians, nurses, and other healthcare professionals. Her legal practice covers a wide range of healthcare-related matters, including professional license defense, regulatory compliance, administrative hearings, litigation, employment law, and contract issues. She works with healthcare providers facing investigations, disciplinary actions, and other legal challenges that may affect their careers and professional standing.
Mrs. Aguy earned a B.S. from the University of South Florida. She later obtained her J.D. (magna cum laude) from the Florida Agricultural and Mechanical University College of Law in Orlando. During law school, she also served as an editor of the institution’s Law Review, demonstrating strong legal research, writing, and analytical skills.
Mrs. Aguy has dedicated her practice to healthcare law and professional licensing matters throughout her legal career. She represents healthcare professionals before regulatory agencies and licensing boards, helping them navigate complex legal and administrative processes. Her work includes handling formal and informal administrative hearings, appeals, employment disputes, contract negotiations, and regulatory compliance matters. By focusing on healthcare law, she has developed extensive experience in addressing the unique legal issues faced by medical professionals.
Mrs. Aguy has helped healthcare providers protect their professional licenses, respond to investigations, and defend their rights during disciplinary proceedings. She assists clients in understanding legal requirements, preparing effective responses to regulatory concerns, and pursuing favorable outcomes in administrative and legal matters. Her guidance helps healthcare professionals continue their careers while addressing challenging legal situations.
Castillana F. (Duvernay) Aguy is actively involved in several professional organizations, including The Florida Bar, the Health Law Section of The Florida Bar, The American Association of Nurse Attorneys (TAANA), and The American Health Law Association (AHLA) in addition to her legal practice. Her commitment to healthcare law and professional advocacy has made her a trusted legal resource for healthcare providers seeking experienced representation.
Law Office Affiliations
- Attorney, The Health Law Firm, P.A.
- Member, The Florida Bar, Health Law Section
- Member, Caribbean Bar Association
- Member, The American Association of Nurse Attorneys
- Member, American Health Law Association
Licensed State
- Florida
Education
- Florida Agricultural and Mechanical University College of Law
Juris Doctor (JD) - University of South Florida
Bachelor of Science (BS)
Awards & Badges




- Employment Litigation
- Contracts & Agreements
- Litigation




