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416 Connable Ave"# Er"Petoskey, MI 49770
Phone+1 231-487-4000
Fax+1 616-975-9827
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Summary
- Dr. William Gretzinger, DO is a board certified emergency medicine physician in Petoskey, Michigan. He is currently licensed to practice medicine in Michigan, Illinois, and Ohio.
Education & Training
- Mercy St Vincent Medical Center/Mercy Health PartnersResidency, Emergency Medicine, 1992 - 1995
- Michigan State University College of Osteopathic MedicineClass of 1991
Certifications & Licensure
- MI State License 1993 - 2027
- IL State License 2014 - 2017
- OH State License 1992 - 1996
- American Board of Emergency Medicine Emergency Medicine