Dr. Ertman is on Doximity
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Office
385 Route 1
Yarmouth, ME 04096Phone+1 207-535-1200
Education & Training
- HealthPartners InstituteResidency, Family Medicine, 1989 - 1992
- Indiana University School of MedicineClass of 1989
Certifications & Licensure
- ME State Medical License 1999 - 2025
- MN State Medical License 1991 - 1999
- American Board of Family Medicine Family Medicine
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