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

William Buchner Jr., MD

Individual provider Family Medicine Physician · NPI 1356599443

William Buchner Jr., MD is a Family Medicine Physician in Sioux Falls, South Dakota. Practices as a sole proprietor. Licensed in California, Michigan and South Dakota.

Licensed in
CA, MI, SD
In the registry since
2008
Specialties on file
3
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

5013 S Louise Ave # 1382
Sioux Falls, SD 57108-2268
Phone: (605) 991-2900
Fax: (605) 991-2901
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Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 14438 (SD)
Family Medicine Physician Taxonomy 207Q00000X · Licence 5315241305 (MI)
Family Medicine Physician Taxonomy 207Q00000X · Licence A109750 (CA)

Record details

NPI number1356599443
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedSeptember 3, 2008
Last updated in NPPESJuly 16, 2024
Certification dateJuly 16, 2024
Mailing address1311 S Snowberry Trl, Sioux Falls, SD 57106-3352

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