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Dr. Granthom is on Doximity

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  • Office

    200 Vía Soderini
    Aptos, CA 95003

Education & Training

  • Cebu Institute of Medicine
    Cebu Institute of MedicineClass of 1969

Certifications & Licensure

  • CA State Medical License
    CA State Medical License 1979 - 2026
  • IL State Medical License
    IL State Medical License 1973 - 1982
  • American Board of Obstetrics and Gynecology Obstetrics & Gynecology