EASTERN WISCONSIN MEDICAL COMPANY S.C.
NPI 1831604081
Surgery in Brookfield, WI
About Eastern Wisconsin Medical Company S.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
EASTERN WISCONSIN MEDICAL COMPANY S.C. (NPI 1831604081) is a healthcare organization registered as a surgery in Brookfield, Wisconsin and active in the NPI registry since December 2017. The organization lists Nathan Amoruso, Sr Vp Revenue, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 4
Other Identifiers 1
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Eastern Wisconsin Medical Company S.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by February 28, 2027
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
2Medicare enrollment records show 2 clinicians reassign Medicare billing to Eastern Wisconsin Medical Company S.C., which bills Medicare for the services they deliver. They are listed nearest first.
Clinicians, nearest first (2)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Eastern Wisconsin Medical Company S.C.'s NPI number?
The NPI number for Eastern Wisconsin Medical Company S.C. is 1831604081. It was assigned to this organization in the NPPES registry on December 11, 2017.
Where is Eastern Wisconsin Medical Company S.C. located?
Eastern Wisconsin Medical Company S.C. is located at 245 S Executive Dr Ste 350, Brookfield, WI 53005. The listed phone number is (262) 373-1647.
What is Eastern Wisconsin Medical Company S.C.'s specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Eastern Wisconsin Medical Company S.C. enrolled in Medicare?
Yes. Eastern Wisconsin Medical Company S.C. is registered in the Medicare PECOS enrollment system.
When is Eastern Wisconsin Medical Company S.C.'s Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Wisconsin, Clinic/Group Practice) is due for revalidation by February 28, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Eastern Wisconsin Medical Company S.C.?
According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Eastern Wisconsin Medical Company S.C., in Emergency Medicine and General Surgery. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Eastern Wisconsin Medical Company S.C. accept?
Health plans from Anthem Blue Cross and Blue Shield list Eastern Wisconsin Medical Company S.C. as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Eastern Wisconsin Medical Company S.C. was last updated on May 4, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Eastern Wisconsin Medical Company S.c. · NPI 1831604081
Surgery organization in Brookfield, Wisconsin. Organization record, active in the CMS NPPES registry since December 11, 2017.
## Identity
- **NPI:** 1831604081 (Entity type: Organization)
- **Enumerated:** December 11, 2017
- **Primary specialty:** Surgery · taxonomy 208600000X
- **Organization subpart:** No
- **Authorized official:** Nathan Amoruso, SR VP REVENUE
## Practice location
- **Address:** 245 S EXECUTIVE DR STE 350, Brookfield, WI 53005-4214
- **Phone:** (262) 373-1647 · **Fax:** (262) 373-1650
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** February 28, 2027 (Non-DME Part B, Wisconsin, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 2 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Emergency Medicine (1), General Surgery (1) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 4, 2023
- **Other identifiers:** Medicaid 100074290 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1831604081) · Data from the CMS NPPES public registry.