Specialties
Internal Medicine: Adult patient examination, diagnosis and management.
History
Established in 1981.
In 1981, Dr. Glen Davis began practice as a solo physician in Driftwood Village in Lake Mary, Florida. In 1984, Dr. John Ryan joined the practice, which became Florida Internal Medicine in 1986. After operating two offices in Longwood & Lake Mary for over 20 years, in 2007 Drs. Davis & Ryan consolidated into the present Lake Mary Medplex office.
Both physicians are board-certified internal medicine specialists, providing comprehensive care of adults.
For over 30 years, Florida Internal Medicine has provided a wide array of high quality services for patients, and remains among the most respected practices in Central Florida.
Meet the Business Owner: Dr. John R.
Dr. John Ryan attended Downstate Medical School, State University of New York in Brooklyn, graduating cum laude in 1977. He trained in internal medicine (internship & residency) at Duke University Medical Center in Durham, North Carolina, and was appointed Assistant Chief Resident in his third year. In 1980, following residency training, Dr. Ryan entered the US Army Medical Corps and served as a medical officer in Frankfurt, Germany, NATO Headquarters in Belgium, and Brooke Army Medical Center in San Antonio, Texas, attaining the rank of Major. In 1984, he joined Dr. Glen Davis in the private practice of internal medicine in Longwood & Lake Mary, Florida, and continues to this day.
Dr. Ryan has held an active license to practice medicine in the State of Florida since 1984.
Dr. Ryan was awarded board certification in Internal Medicine by the American Board of Internal Medicine in 1980, and is participating in Maintenance of Certification to continue competency in internal medicine