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About Us Celebrating 150 years

Celebrating 150 years

Proud history, bright future

150 years of growth in osteopathic medicine

Join us in celebrating the history of distinctive osteopathic patient care

Kicking off in June 2024, the American Osteopathic Association joins with the entire osteopathic medical profession to celebrate 150 years since A.T. Still, MD, DO, first developed the concept of osteopathic medicine. Since then, the osteopathic medical profession has evolved to include more than 197,000 Doctors of Osteopathic Medicine, or DOs, and osteopathic medical students across the nation.

The philosophy of osteopathic medicine introduced by Dr. Still in 1874 provided the foundation for a thriving profession, currently representing 11% of all physicians and 25% of all medical students in the U.S. Osteopathic physicians hold some of the most prominent positions in medicine today, including serving as the physician to the current and past U.S. presidents, overseeing care for the NASA medical team and providing distinctive whole-person care to millions of patients across the nation.

We hope you’ll join us in celebrating the tremendous advancements made in osteopathic medicine over the last 150 years, as we look to a future full of promise for the next generation of DOs and osteopathic medical students.

This page will be updated periodically with the latest updates and opportunities to celebrate this momentous milestone. Also be sure to follow the AOA on social media to join the celebration!

150 years of progress

Over the next year, we’ll be celebrating 150 years of osteopathic medicine and the tremendous impact DOs and osteopathic medical students have made on the nation’s health care infrastructure, as well as in the lives of millions of patients seeking a body, mind, spirit approach to medicine.

The timeline below offers a look back at all the pivotal milestones that have advanced the practice of osteopathic medicine during the past 150 years. View a PDF.

 


Downloadable graphics

150th Anniversary logo

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Flat A.T. Still

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