A Board-Certified OB/GYN, Dr. Lillian DeCosimo received a Premedical Sciences degree and Medical Degree from the Universidad Mundial Dominicana in Santo Domingo, Dominican Republic. She completed an internship and residency in Obstetrics and Gynecology at Providence Hospital in Washington, D.C., and MedStar Washington Hospital Center in Washington, D.C. Dr. DeCosimo is licensed in District of Columbia, Florida, and Virginia.

A clinician identified with a Nicklaus Children’s Pediatric Specialists logo is an affiliate of Nicklaus Children's Health System. All other clinicians listed on the website are in independent medical practices.