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Dr. Hartwig is on Doximity

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  • Office

    535 W 25th St
    Merced, CA 95340
    Phone+1 209-722-9066
    Fax+1 209-383-1522

Education & Training

  • University of Perpetual Help Laguna-Binan College of Medicine
    University of Perpetual Help Laguna-Binan College of MedicineClass of 2003

Certifications & Licensure

  • CA State Medical License
    CA State Medical License 2011 - 2025
  • American Board of Family Medicine Family Medicine