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  • Dr. Alan Janssen, DO is an emergency medicine physician in Grand Blanc, Michigan. He is currently licensed to practice medicine in Michigan and Florida. He is affiliated with Ascension Genesys Hospital.

Certifications & Licensure

  • FL State Medical License
    FL State License 2000 - 2022
  • MI State Medical License
    MI State License 1989 - 2020

Hospital Affiliations