NPPES file of Aug 9, 2026

Mercy Health System Corporation

Mercy Health System Corporation holds 46 active organization NPIs in the federal registry, with practice locations in 19 cities in 2 states. 30 list durable medical equipment & medical supplies 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

Janesville, WI has the most NPIs, 15

  1. Janesville, WI15
  2. Lake Geneva, WI4
  3. Crystal Lake, IL3
  4. Whitewater, WI3
  5. Algonquin, IL2
  6. Harvard, IL2
  7. Mchenry, IL2
  8. Woodstock, IL2

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

Most NPIs were issued in 2006 and 2007

Mercy Health System Corporation NPIs by year issued2006: 11, 2007: 25, 2008: 2, 2009: 1, 2010: 0, 2011: 1, 2012: 1, 2013: 3, 2014: 0, 2015: 0, 2016: 0, 2017: 0, 2018: 0, 2019: 0, 2020: 2010203020062008201020122014201620182020112007: 25211132
Mercy Health System Corporation NPIs by year issued2006: 11, 2007: 25, 2008: 2, 2009: 1, 2010: 0, 2011: 1, 2012: 1, 2013: 3, 2014: 0, 2015: 0, 2016: 0, 2017: 0, 2018: 0, 2019: 0, 2020: 201020302006200720082009201020112012201320142015201620172018201920201125211132
Mercy Health System Corporation NPIs by year issued2006: 11, 2007: 25, 2008: 2, 2009: 1, 2010: 0, 2011: 1, 2012: 1, 2013: 3, 2014: 0, 2015: 0, 2016: 0, 2017: 0, 2018: 0, 2019: 0, 2020: 2010203020062008201020122014201620182020112007: 25211132

Source: CMS NPPES, enumeration dates.

25 NPIs were issued in 2007 alone, more than in any other year; none in 7 of the years between.

Janesville, WI locations

The city with the most Mercy Health System Corporation NPIs. The full list of all 46 follows.

NPILocationPrimary taxonomyIssued
1598718603580 N WASHINGTON ST, Janesville, WIMulti-Specialty Clinic/CenterMay 18, 2006
10937689621000 MINERAL POINT AVE, Janesville, WIGeneral Acute Care HospitalMay 19, 2006
15583079421010 N WASHINGTON ST SUITE 105, Janesville, WIPharmacyJun 22, 2006
14674988573524 E MILWAUKEE ST, Janesville, WIPharmacyJun 22, 2006
19422367241000 MINERAL POINT AVE, Janesville, WIPharmacyJun 24, 2006
11645886791000 MINERAL POINT AVE, Janesville, WIChronic Disease HospitalDec 29, 2006
14271050061000 MINERAL POINT AVE, Janesville, WISkilled Nursing FacilityJan 4, 2007
15887951163524 E MILWAUKEE ST RM 1200 & 1202, Janesville, WIDurable Medical Equipment & Medical SuppliesMar 7, 2007
All 46 locations, by state and city
NPILocationPrimary taxonomyIssued
16998477232401 HARNISH DR, Algonquin, ILDurable Medical Equipment & Medical SuppliesNov 14, 2006
13566885842537 W ALGONQUIN RD, Algonquin, ILDurable Medical Equipment & Medical SuppliesJan 8, 2013
1174649842500 W IL ROUTE 22, Barrington, ILDurable Medical Equipment & Medical SuppliesMar 22, 2007
1508983784750 E TERRA COTTA AVE STE B, Crystal Lake, ILDurable Medical Equipment & Medical SuppliesMar 23, 2007
1750551362330 W TERRA COTTA AVE, Crystal Lake, ILDurable Medical Equipment & Medical SuppliesMar 11, 2008
1558506204415 E CONGRESS PKWY, Crystal Lake, ILDurable Medical Equipment & Medical SuppliesDec 10, 2008
12859714242050 LARKIN AVE, Elgin, ILDurable Medical Equipment & Medical SuppliesJan 8, 2013
1396870481348 S DIVISION ST, Harvard, ILDurable Medical Equipment & Medical SuppliesFeb 22, 2007
13564685731001 GRANT ST, Harvard, ILDurable Medical Equipment & Medical SuppliesMar 23, 2007
143727661547 W ACORN LN, Lake In The Hills, ILDurable Medical Equipment & Medical SuppliesMar 23, 2007
14675781383922 MERCY DR, Mchenry, ILDurable Medical Equipment & Medical SuppliesMar 22, 2007
1922125103406 FRONT ST STE C, Mchenry, ILDurable Medical Equipment & Medical SuppliesMar 23, 2007
14170733969715 PRAIRIE RDG, Richmond, ILDurable Medical Equipment & Medical SuppliesMar 22, 2007
13665367732000 LAKE AVE, Woodstock, ILPharmacyOct 3, 2006
17201234252000 LAKE AVE ROOM 1423, 1210, 1083, 1047, 1291, Woodstock, ILDurable Medical Equipment & Medical SuppliesFeb 20, 2007
16190004372825 PRAIRIE AVE, Beloit, WIDurable Medical Equipment & Medical SuppliesMar 13, 2007
16099002242310 1ST CENTER AVE, Brodhead, WIDurable Medical Equipment & Medical SuppliesMar 15, 2007
16392001081038 E GENEVA ST, Delavan, WIDurable Medical Equipment & Medical SuppliesMar 8, 2007
15680592691038 E GENEVA ST, Delavan, WIRural Health Clinic/CenterDec 29, 2020
1124159165217 N MAIN ST, Edgerton, WIDurable Medical Equipment & Medical SuppliesMar 9, 2007
1891037024839 N WISCONSIN ST, Elkhorn, WIDurable Medical Equipment & Medical SuppliesMar 26, 2013
1376676189300 UNION ST, Evansville, WIDurable Medical Equipment & Medical SuppliesMar 13, 2007
1598718603580 N WASHINGTON ST, Janesville, WIMulti-Specialty Clinic/CenterMay 18, 2006
10937689621000 MINERAL POINT AVE, Janesville, WIGeneral Acute Care HospitalMay 19, 2006
15583079421010 N WASHINGTON ST SUITE 105, Janesville, WIPharmacyJun 22, 2006
14674988573524 E MILWAUKEE ST, Janesville, WIPharmacyJun 22, 2006
19422367241000 MINERAL POINT AVE, Janesville, WIPharmacyJun 24, 2006
11645886791000 MINERAL POINT AVE, Janesville, WIChronic Disease HospitalDec 29, 2006
14271050061000 MINERAL POINT AVE, Janesville, WISkilled Nursing FacilityJan 4, 2007
15887951163524 E MILWAUKEE ST RM 1200 & 1202, Janesville, WIDurable Medical Equipment & Medical SuppliesMar 7, 2007
1043341282849 KELLOGG AVE, Janesville, WIDurable Medical Equipment & Medical SuppliesMar 8, 2007
10332358741010 N WASHINGTON ST, Janesville, WIDurable Medical Equipment & Medical SuppliesMar 22, 2007
1548386204557 N WASHINGTON ST, Janesville, WIDurable Medical Equipment & Medical SuppliesMar 22, 2007
11544478111000 MINERAL POINT AVE ROOM 2-136, Janesville, WIDurable Medical Equipment & Medical SuppliesMar 22, 2007
1669685129903 MINERAL POINT AVE, Janesville, WIMental Health Clinic/Center (Including Community Mental Health Center)May 8, 2007
16394607361010 N WASHINGTON ST STE 107, Janesville, WILong Term Care PharmacyApr 22, 2011
14879245933400 DEERFIELD DRIVE, Janesville, WIDurable Medical Equipment & Medical SuppliesJan 5, 2012
1699728550N2950 STATE ROAD 67, Lake Geneva, WICritical Access HospitalMay 19, 2006
1851327639N2950 STATE ROAD 67, Lake Geneva, WIPharmacyJun 24, 2006
1336271121350 PELLER RD, Lake Geneva, WIDurable Medical Equipment & Medical SuppliesMar 9, 2007
1710124698N2950 STATE ROAD 67 RM G218, Lake Geneva, WIProsthetic/Orthotic SupplierJan 14, 2009
1013953504725 S JANESVILLE ST, Milton, WIPharmacyJun 21, 2006
1194841866725 S JANESVILLE ST SUITE 100, Milton, WIDurable Medical Equipment & Medical SuppliesMar 22, 2007
1265558936507 W MAIN ST, Whitewater, WIDurable Medical Equipment & Medical SuppliesMar 22, 2007
1184741183519 W MAIN ST, Whitewater, WIDurable Medical Equipment & Medical SuppliesMar 23, 2007
1366039067507 W MAIN ST, Whitewater, WIRural Health Clinic/CenterDec 29, 2020

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 Mercy Health System Corporation have 46 NPIs?

An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Mercy Health System Corporation's NPIs list practice locations in 19 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.