Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. William Earl Nation, MD

Individual provider Family Medicine Physician · NPI 1558438622

Dr. William Earl Nation, MD is a Family Medicine Physician in Atwater, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1775 3rd St
Atwater, CA 95301-3608
Phone: (209) 358-5611
Fax: (209) 358-0219
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence G39686 (CA)

Record details

NPI number1558438622
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedNovember 30, 2006
Last updated in NPPESNovember 9, 2012

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