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

Individual provider Otolaryngology Physician · NPI 1093798324

William G Sybesma, MD is an Otolaryngology Physician in Fond Du Lac, Wisconsin. Licensed in Wisconsin. Registered with an NPI since 2005.

Licensed in
WI
In the registry since
2005
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

865 Mullen Dr
Fond Du Lac, WI 54935-6437
Phone: (920) 744-8147
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Otolaryngology Physician (primary) Taxonomy 207Y00000X · Licence 21464 (WI)

Record details

NPI number1093798324
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 21, 2005
Last updated in NPPESSeptember 11, 2009

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