NPPES file of Aug 9, 2026

St Joseph Mercy Chelsea

St Joseph Mercy Chelsea holds 9 active organization NPIs in the federal registry, with practice locations in 2 Michigan cities. 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

Chelsea has the most NPIs, 8

  1. Chelsea8
  2. Ypsilanti1

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

Most NPIs were issued in 2006 and 2025

St Joseph Mercy Chelsea NPIs by year issued2006: 4, 2007: 0, 2008: 0, 2009: 0, 2010: 0, 2011: 0, 2012: 0, 2013: 0, 2014: 0, 2015: 0, 2016: 0, 2017: 0, 2018: 0, 2019: 0, 2020: 1, 2021: 1, 2022: 1, 2023: 0, 2024: 0, 2025: 20123420072009201120132015201720192021202320252006: 42111
St Joseph Mercy Chelsea NPIs by year issued2006: 4, 2007: 0, 2008: 0, 2009: 0, 2010: 0, 2011: 0, 2012: 0, 2013: 0, 2014: 0, 2015: 0, 2016: 0, 2017: 0, 2018: 0, 2019: 0, 2020: 1, 2021: 1, 2022: 1, 2023: 0, 2024: 0, 2025: 20123420072009201120132015201720192021202320252006: 42111
St Joseph Mercy Chelsea NPIs by year issued2006: 4, 2007: 0, 2008: 0, 2009: 0, 2010: 0, 2011: 0, 2012: 0, 2013: 0, 2014: 0, 2015: 0, 2016: 0, 2017: 0, 2018: 0, 2019: 0, 2020: 1, 2021: 1, 2022: 1, 2023: 0, 2024: 0, 2025: 20123420072010201320162019202220252006: 42111

Source: CMS NPPES, enumeration dates.

4 NPIs were issued in 2006 alone, more than in any other year; none in 15 of the years between.

Chelsea locations

The city with the most St Joseph Mercy Chelsea NPIs. The full list of all 9 follows.

NPILocationPrimary taxonomyIssued
1992761985775 S MAIN ST, ChelseaGeneral Acute Care HospitalApr 26, 2006
1700815347775 S MAIN ST, ChelseaPsychiatric Hospital UnitJul 3, 2006
1245244276775 S MAIN ST, ChelseaRehabilitation HospitalJul 27, 2006
1134228489775 S MAIN ST, ChelseaInternal Medicine PhysicianSep 22, 2006
1023642055775 S MAIN ST, ChelseaCertified Registered Nurse AnesthetistFeb 28, 2020
1770246274775 S MAIN ST, ChelseaMulti-Specialty Clinic/CenterOct 21, 2021
1487387072775 S MAIN ST, ChelseaHealth EducatorJul 1, 2022
117432072514750 E OLD US HIGHWAY 12, ChelseaDurable Medical Equipment & Medical SuppliesFeb 28, 2025
All 9 locations, by city
NPILocationPrimary taxonomyIssued
1992761985775 S MAIN ST, ChelseaGeneral Acute Care HospitalApr 26, 2006
1700815347775 S MAIN ST, ChelseaPsychiatric Hospital UnitJul 3, 2006
1245244276775 S MAIN ST, ChelseaRehabilitation HospitalJul 27, 2006
1134228489775 S MAIN ST, ChelseaInternal Medicine PhysicianSep 22, 2006
1023642055775 S MAIN ST, ChelseaCertified Registered Nurse AnesthetistFeb 28, 2020
1770246274775 S MAIN ST, ChelseaMulti-Specialty Clinic/CenterOct 21, 2021
1487387072775 S MAIN ST, ChelseaHealth EducatorJul 1, 2022
117432072514750 E OLD US HIGHWAY 12, ChelseaDurable Medical Equipment & Medical SuppliesFeb 28, 2025
16197743615305 MCAULEY DR STE 1B55, YpsilantiDurable Medical Equipment & Medical SuppliesFeb 28, 2025

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 St Joseph Mercy Chelsea 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. St Joseph Mercy Chelsea's NPIs list practice locations in 2 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.