MARK A KLIEWER MD
NPI 1669440236
Radiology - Body Imaging in Madison, WI
About Mark A Kliewer Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK A KLIEWER MD (NPI 1669440236) is an individual body imaging provider in Madison, Wisconsin, licensed in Wisconsin (44018) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mark A Kliewer Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Mark Kliewer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Madison, WI 53717
- Reassigned Medicare billing, Wisconsin enrollment
- 422 clinicians in this Medicare group
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 Mark Kliewer's NPI number?
The NPI number for Mark Kliewer is 1669440236. It was assigned to this individual provider in the NPPES registry on March 9, 2006.
Where is Mark Kliewer located?
Mark Kliewer practices at 2348 Commonwealth Ave, Madison, WI 53711. The listed phone number is (087) 099-2946.
What is Mark Kliewer's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Body Imaging, with taxonomy code 2085B0100X.
Is Mark Kliewer enrolled in Medicare?
Yes. Mark Kliewer is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Mark Kliewer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Kliewer reassigns Medicare benefits to Group Health Cooperative Of South Central Wisconsin (Madison, WI). The 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 Mark Kliewer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Mark Kliewer was last updated on April 12, 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.
# Mark A Kliewer, MD · NPI 1669440236
Body Imaging physician in Madison, Wisconsin. Individual provider, active in the CMS NPPES registry since March 9, 2006.
## Identity
- **NPI:** 1669440236 (Entity type: Individual)
- **Enumerated:** March 9, 2006
- **Primary specialty:** Radiology - Body Imaging · taxonomy 2085B0100X
- **State license:** 44018 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 2348 COMMONWEALTH AVE, Madison, WI 53711-1909
- **Phone:** (087) 099-2946
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Group Health Cooperative Of South Central Wisconsin (NPI 1245260165, Madison, WI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 12, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1669440236) · Data from the CMS NPPES public registry.