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  • Dr. John Hackenberg, DO is a family physician in Jacksonville, Florida. He is currently licensed to practice medicine in Florida and Indiana. He is affiliated with Memorial Hospital Jacksonville.

Education & Training

  • Chicago College of Osteopathic Medicine
    Chicago College of Osteopathic MedicineClass of 1971, DO

Certifications & Licensure

  • IN State Medical License
    IN State License 1972 - 2009
  • FL State Medical License
    FL State License 1972 - 2022

Professional Memberships

Hospital Affiliations