NPPES file of Aug 9, 2026

Joliet Oncology Hematology Associates

Joliet Oncology Hematology Associates holds 9 active organization NPIs in the federal registry, with practice locations in 7 Illinois cities. 6 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

Joliet has the most NPIs, 3

  1. Joliet3
  2. Bolingbrook1
  3. Darien1
  4. Downers Grove1
  5. Flossmoor1
  6. Glendale Heights1
  7. Morris1

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

Most NPIs were issued in 2007 and 2009

Joliet Oncology Hematology Associates NPIs by year issued2006: 1, 2007: 4, 2008: 1, 2009: 2, 2010: 0, 2011: 0, 2012: 0, 2013: 0, 2014: 0, 2015: 0, 2016: 0, 2017: 0, 2018: 10123420062008201020122014201620182007: 42009: 2111
Joliet Oncology Hematology Associates NPIs by year issued2006: 1, 2007: 4, 2008: 1, 2009: 2, 2010: 0, 2011: 0, 2012: 0, 2013: 0, 2014: 0, 2015: 0, 2016: 0, 2017: 0, 2018: 101234200620072008200920102011201220132014201520162017201842111
Joliet Oncology Hematology Associates NPIs by year issued2006: 1, 2007: 4, 2008: 1, 2009: 2, 2010: 0, 2011: 0, 2012: 0, 2013: 0, 2014: 0, 2015: 0, 2016: 0, 2017: 0, 2018: 10123420062008201020122014201620182007: 4111

Source: CMS NPPES, enumeration dates.

4 NPIs were issued in 2007 alone, more than in any other year; none in 8 of the years between.

Joliet locations

The city with the most Joliet Oncology Hematology Associates NPIs. The full list of all 9 follows.

NPILocationPrimary taxonomyIssued
19524986282614 W JEFFERSON ST, JolietHematology & Oncology PhysicianOct 6, 2006
14675097111301 COPPERFIELD AVE, JolietMedical Oncology PhysicianJan 5, 2007
15689436372614 W JEFFERSON ST, JolietDurable Medical Equipment & Medical SuppliesAug 27, 2018
All 9 locations, by city
NPILocationPrimary taxonomyIssued
1760621833500 REMINGTON BLVD, BolingbrookHematology & Oncology PhysicianFeb 13, 2009
15080895258334 LEMONT RD, DarienHematology & Oncology PhysicianApr 10, 2007
19020306613825 HIGHLAND AVE # 2L,TOWER 1, Downers GroveHematology & Oncology PhysicianMay 11, 2009
15786108463235 VOLLMER RD SUITE 120, FlossmoorMedical Oncology PhysicianJan 5, 2007
1265680789701 WINTHROP AVE, Glendale HeightsHematology & Oncology PhysicianSep 9, 2008
19524986282614 W JEFFERSON ST, JolietHematology & Oncology PhysicianOct 6, 2006
14675097111301 COPPERFIELD AVE, JolietMedical Oncology PhysicianJan 5, 2007
15689436372614 W JEFFERSON ST, JolietDurable Medical Equipment & Medical SuppliesAug 27, 2018
17100340791600 W US ROUTE 6, MorrisHematology & Oncology PhysicianJan 5, 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 Joliet Oncology Hematology Associates have 9 NPIs?

An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Joliet Oncology Hematology Associates's NPIs list practice locations in 7 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.