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John Brown III, MD, Emergency Medicine, Merrillville, IN, St. Mary Medical Center


Emergency Medicine Merrillville, IN


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  • Dr. John Brown III, MD is an emergency medicine physician in Merrillville, Indiana. He is currently licensed to practice medicine in Indiana, Colorado, and Michigan. He is affiliated with St. Mary Medical Center and Methodist Hospitals.

Education & Training

  • Western Michigan University Homer Stryker MD School of Medicine
    Western Michigan University Homer Stryker MD School of MedicineInternship, Transitional Year, 1975 - 1976
  • Indiana University School of Medicine
    Indiana University School of MedicineClass of 1975

Certifications & Licensure

  • OR State Medical License
    OR State Medical License 1977 - Present
  • IN State Medical License
    IN State Medical License 1975 - 2025
  • CO State Medical License
    CO State Medical License 2019 - 2023
  • MI State Medical License
    MI State Medical License 2019 - 2022

Publications & Presentations


Hospital Affiliations