NPPES file of Aug 9, 2026

Fox Valley Hematology & Oncology S C

Fox Valley Hematology & Oncology S C holds 12 active organization NPIs in the federal registry, with practice locations in 10 Wisconsin cities. 10 list hematology & oncology physician as their primary taxonomy; each location can bill under its own NPI.

CMS NPPES registry, file of Aug 9, 2026 · legal names grouped after punctuation and "LLC" are removed · method · Verify with CMS →

Which NPI is yours?

Search the organization with your city to find the NPI for the location you visit or bill.

Find a location's NPI

Appleton has the most NPIs, 3

  1. Appleton3
  2. Berlin1
  3. Chilton1
  4. De Pere1
  5. Neenah1
  6. New London1
  7. Oshkosh1
  8. Ripon1

Source: CMS NPPES monthly file of Aug 9, 2026, organization NPIs by practice city.

Most NPIs were issued in 2007 and 2017

Fox Valley Hematology & Oncology S C NPIs by year issued2006: 1, 2007: 9, 2008: 0, 2009: 0, 2010: 0, 2011: 0, 2012: 0, 2013: 0, 2014: 0, 2015: 0, 2016: 0, 2017: 202.557.510200620072008200920102011201220132014201520162017921
Fox Valley Hematology & Oncology S C NPIs by year issued2006: 1, 2007: 9, 2008: 0, 2009: 0, 2010: 0, 2011: 0, 2012: 0, 2013: 0, 2014: 0, 2015: 0, 2016: 0, 2017: 202.557.510200620072008200920102011201220132014201520162017921
Fox Valley Hematology & Oncology S C NPIs by year issued2006: 1, 2007: 9, 2008: 0, 2009: 0, 2010: 0, 2011: 0, 2012: 0, 2013: 0, 2014: 0, 2015: 0, 2016: 0, 2017: 202.557.510200720092011201320152017921

Source: CMS NPPES, enumeration dates.

9 NPIs were issued in 2007 alone, more than in any other year; none in 9 of the years between.

Appleton locations

The city with the most Fox Valley Hematology & Oncology S C NPIs. The full list of all 12 follows.

NPILocationPrimary taxonomyIssued
14078683343925 N GATEWAY DR, AppletonHematology & Oncology PhysicianAug 12, 2006
10635355243925 N GATEWAY DR, AppletonNon-Pharmacy Dispensing SiteApr 9, 2007
10033527333925 N GATEWAY DR SUITE 100, AppletonCommunity/Retail PharmacyJan 19, 2017
All 12 locations, by city
NPILocationPrimary taxonomyIssued
14078683343925 N GATEWAY DR, AppletonHematology & Oncology PhysicianAug 12, 2006
10635355243925 N GATEWAY DR, AppletonNon-Pharmacy Dispensing SiteApr 9, 2007
10033527333925 N GATEWAY DR SUITE 100, AppletonCommunity/Retail PharmacyJan 19, 2017
1912020371191 MEMORIAL DR BERLIN MEMORIAL HOSPITAL, BerlinHematology & Oncology PhysicianApr 9, 2007
1497878854614 MEMORIAL DR CALUMET MEDICAL CENTER, ChiltonHematology & Oncology PhysicianApr 9, 2007
16497163581716 LAWRENCE DR, De PereHematology & Oncology PhysicianJan 19, 2017
1063635910100 THEDA CLARK MEDICAL PLZ SUITE 340, NeenahHematology & Oncology PhysicianApr 10, 2007
10030399591370 N SHAWANO ST E, New LondonHematology & Oncology PhysicianApr 10, 2007
1942323407491 S WASHBURN ST SUITE 100, OshkoshHematology & Oncology PhysicianApr 9, 2007
1255454617933 NEWBURY ST UPPER LEVEL, RiponHematology & Oncology PhysicianApr 9, 2007
11242417241415 E GREEN BAY ST SUITE 141, ShawanoHematology & Oncology PhysicianApr 11, 2007
1770706624N3063 CTY QQ, WaupacaHematology & Oncology PhysicianApr 10, 2007

Checking an organization

  1. Match the NPI to the exact location you will visit or bill; each location can have its own.
  2. Confirm the business entity with the secretary of state.
  3. Check the HHS-OIG exclusion list for the organization and its owners.
  4. Verify each clinician you will see on their own record and with the state license search.

Common questions

Why does Fox Valley Hematology & Oncology S C have 12 NPIs?

An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Fox Valley Hematology & Oncology S C's NPIs list practice locations in 10 cities.

Is an organization NPI a license?

No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.

Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.