Dr. JOHN RYAN is a board-certified internal medicine specialist based in LAKE MARY, Florida, bringing 20 years of dedicated clinical experience to patient care. Dr. RYAN has performed over 14.2k procedures and published 143 peer-reviewed research papers, reflecting a deep commitment to advancing medical knowledge in internal medicine.
Dr. JOHN RYAN combines clinical expertise with the latest evidence-based practices to deliver personalized treatment plans. Dr. JOHN RYAN holds 2 medical patents, demonstrating innovation in surgical techniques and medical devices.
Dr. JOHN RYAN maintains an active role in the medical community through ongoing research, peer collaboration, and continuing medical education. This commitment to staying at the forefront of internal medicine ensures patients receive care informed by the latest advances in the field.
2 patents
Dr. JOHN RYAN provides comprehensive diagnosis and treatment for the following conditions:
Thyroid Disorders - a condition commonly treated by internal medicine specialists.
Learn more about Thyroid Disorders treatmentDiabetes - a condition commonly treated by internal medicine specialists.
Learn more about Diabetes treatmentHeart Disease - a condition commonly treated by internal medicine specialists.
Learn more about Heart Disease treatment