Dr. Grentz is on Doximity
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Office
2900 Lakeview Ave
Saint Joseph, MI 49085Phone+1 269-408-4322
Education & Training
- Adventist Hinsdale HospitalResidency, Family Medicine, 1983 - 1986
- Loma Linda University School of MedicineClass of 1983
Certifications & Licensure
- IA State Medical License 2019 - 2025
- MI State Medical License 1996 - 2025
Professional Memberships
- Member
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