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John M. Williams, Sr., MD, MPH

John M. Williams, Sr., MD, MPH, is a physician with a Master’s of Public Health degree, board-certified in both occupational medicine and ophthalmology. He is also a retired Navy medical officer, combat veteran and former Marine Corps Medical Battalion Commander. For the past 12 years, he has been a reserve deputy sheriff in southern Colorado and has also served as an academy instructor.

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