Skip to main content
John Ryan, MD, Internal Medicine, Lake Mary, FL

JohnFRyanMD

Internal Medicine • Lake Mary, FL

Internal Medicine physician at Florida Internal Medicine

Join to view full profile

Dr. Ryan is on Doximity

As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.

  • Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
  • Connect with colleagues in the same hospital or clinic.
  • Read the latest clinical news, personalized to your specialty.

See Dr. Ryan's full profile

Already have an account?

  • Office

    4106 W Lake Mary Blvd
    Ste 301
    Lake Mary, FL 32746
    Phone+1 407-333-2503
    Fax+1 407-333-0962

Summary

  • I am a board certified Internal Medicine doctor in Lake Mary, FL, located just outside of Orlando, FL. I started practice at Florida Internal Medicine in 1984, serving my patients in Central Florida for more than 30 years.

Education & Training

  • Duke University Hospital
    Duke University HospitalResidency, Internal Medicine, 1978 - 1980
  • Duke University Hospital
    Duke University HospitalInternship, Internal Medicine, 1977 - 1978
  • State University of New York Downstate Medical Center College of Medicine
    State University of New York Downstate Medical Center College of MedicineClass of 1977, MD
  • Johns Hopkins University
    Johns Hopkins UniversityBA, Natural Sciences, 1968 - 1972

Certifications & Licensure

  • FL State Medical License
    FL State Medical License 1984 - 2025
  • NC State Medical License
    NC State Medical License 1977 - 2002
  • American Board of Internal Medicine Internal Medicine
  • National Board of Physicians and Surgeons Internal Medicine

Awards, Honors, & Recognition

  • CMS Meaningful Use Stage 1 Certification Amazing Charts EHR, AmazingCharts, LLC, 2012-2013
  • Member AOA Honor Medical Society, 1977
  • Top MD Consumers Checkbook

Publications & Presentations

Authored Content

  • Practical Effects MedicineMay 2016

Committees

  • Member, Orlando Health Credentials 2008 - 2016

Research History

  • Surgical Research Asst, Lab of Dr. Bernard Levowitzintra operative oximetry, Dacron vascular grafts1972 - 1973

Professional Memberships

External Links

Dr. John Ryan, Dr. John Ryan, MD, Dr. J Ryan, Dr. John F Ryan