JOHN L LOEWEN MDSC
NPI 1245552470
Family Medicine in Niagara, WI
About John L Loewen Mdsc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN L LOEWEN MDSC (NPI 1245552470) is a healthcare organization registered as a family medicine in Niagara, Wisconsin and active in the NPI registry since February 2010. The organization holds a CLIA Waiver certificate valid through August 31, 2028 and lists John Lloyd Loewen, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
John L Loewen Mdsc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to John L Loewen Mdsc, which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Waiver 52D0394516
John L Loewen Mdsc · Niagara, WIFrequently 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 John L Loewen Mdsc's NPI number?
The NPI number for John L Loewen Mdsc is 1245552470. It was assigned to this organization in the NPPES registry on February 15, 2010.
Where is John L Loewen Mdsc located?
John L Loewen Mdsc is located at 615 Washington Ave, Niagara, WI 54151. The listed phone number is (715) 251-3104.
What is John L Loewen Mdsc's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is John L Loewen Mdsc enrolled in Medicare?
Yes. John L Loewen Mdsc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through John L Loewen Mdsc?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Family Practice) reassigns their Medicare billing to John L Loewen Mdsc. 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.
Does John L Loewen Mdsc hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 52D0394516) is associated with this NPI, valid through August 31, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
What insurance does John L Loewen Mdsc accept?
Health plans from Blue Cross Blue Shield of Michigan Mutual Insurance Company, CareSource (Common Ground Healthcare) and Security Health Plan list John L Loewen Mdsc 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 John L Loewen Mdsc was last updated on February 15, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# John L Loewen Mdsc · NPI 1245552470
Family Medicine organization in Niagara, Wisconsin. Organization record, active in the CMS NPPES registry since February 15, 2010.
## Identity
- **NPI:** 1245552470 (Entity type: Organization)
- **Enumerated:** February 15, 2010
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **Organization subpart:** No
- **Authorized official:** John Loewen, PRESIDENT
## Practice location
- **Address:** 615 WASHINGTON AVE, Niagara, WI 54151-1213
- **Phone:** (715) 251-3104 · **Fax:** (715) 251-1693
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Family Practice) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 15, 2010
- **CLIA laboratory certificates:** 1 on file
---
Source: [NPI Profile](https://npiprofile.com/npi/1245552470) · Data from the CMS NPPES public registry.