Mercy Health System Corporation
NPI 1164588679 · Chronic Disease Hospital · Janesville, WI
Enrolled with Medicare as Part a Provider - End-Stage Renal Disease Facility (esrd) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mercy Health System Corporation is a Chronic Disease Hospital organization in Janesville, WI (NPI 1164588679).
Provider details
- NPI number
- 1164588679
- Entity type
- Organization
- Primary specialty
- Chronic Disease HospitalHospitals
- Parent organization
- Mercy Health Corporation
- Organization subpart
- Yes
- Authorized official
- Joseph Malas, Cfo(815) 971-6738
Specialties & taxonomies
Hospitals
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- Mercy Regional Dialysis Center
- Doing business as
- Mercy Regional Dialysis Center
- Doing business as
- Mercyhealth Kidney Care and Dialysis Center
Additional practice locations (1)
- 903 Mineral Point AveJanesville, WI 53548-2970Phone: (608) 741-3814
Registry dates
- Enumerated
- 2006-12-29
- Last updated
- 2025-06-11
- Certified
- 2025-06-11
Frequently asked questions
- What is Mercy Health System Corporation's NPI number?
- Mercy Health System Corporation's National Provider Identifier (NPI) is 1164588679, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mercy Health System Corporation?
- Mercy Health System Corporation is classified in the NPPES registry as Chronic Disease Hospital (Hospitals).
- Where is Mercy Health System Corporation located?
- Mercy Health System Corporation's practice location on file with NPPES is 1000 Mineral Point Ave, Janesville, WI 53548-2940.
- What is Mercy Health System Corporation's phone number?
- The practice phone number listed in the NPPES registry for Mercy Health System Corporation is (086) 741-3814.
- Does Mercy Health System Corporation accept Medicare?
- Mercy Health System Corporation is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Mercy Health System Corporation?
- The authorized official listed on Mercy Health System Corporation's NPPES record is Joseph Malas, Cfo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mercy Health System Corporation's NPI active?
- Yes — Mercy Health System Corporation's NPI (1164588679) is active in the NPPES registry as of the last update on 2025-06-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.