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Family Practitioner, Primary Care Doctor, Geriatric Specialist (elderly care)
33 years of experience
Accepting new patients
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

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Specialties & Research

Dr. William Nation, MD is board certified in Family Medicine and Family Medicine - Geriatric Medicine.

  • He has special expertise in 1 area:
  • Alzheimer's Disease

Education & Awards

Dr. Nation graduated from University of Southern California , Los Angeles.


Dr. Nation has 3 hospital affiliations:

  • Mercy Medical Center, Merced - Community Campus 
  • Sonora Regional Medical Center/Adventist Health 
  • Mercy Medical Center Merced 


  • English
  • Spanish

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Additional Information
Dr. William Earl Nation MD is a male Family Practitioner, has 33 years of experience and practices in Family Medicine, Geriatric Medicine, and Geriatric Medicine.
Where does Dr. William E. Nation practice?
Dr. William Nation has 3 office locations.
Dr. William Nation practices Family Medicine, Geriatric Medicine, and Geriatric Medicine near Atwater, CA.
Additional practice locations include: Sonora, CA.
See Atwater Family Physicians and Atwater Geriatric Doctors.