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

William Nicholson, MD

Individual provider Family Medicine Physician · NPI 1003830142

William Nicholson, MD is a Family Medicine Physician in West Allis, Wisconsin. Licensed in Wisconsin. Registered with an NPI since 2006.

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

See every abbreviation used in this directory →

Practice location Address checks out

2514 S 102nd St Ste 160
West Allis, WI 53227-2142
Phone: (414) 255-0300
Fax: (414) 543-9601
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 37383 (WI)

Record details

NPI number1003830142
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 26, 2006
Last updated in NPPESJuly 21, 2022
Mailing address3807 Spring St, Racine, WI 53405-1667

Other providers in West Allis