DR. MATTHEW NIEMEYER MD
NPI 1609018050
Radiology - Vascular & Interventional Radiology in Madison, WI
About Dr. Matthew Niemeyer Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MATTHEW NIEMEYER MD (NPI 1609018050) is an individual vascular & interventional radiology provider in Madison, Wisconsin, licensed in Wisconsin (84151) and active in the NPI registry since April 2009. He is enrolled in Medicare PECOS, is affiliated with Unitypoint Health - Meriter, and maintains a secondary practice location in Chicago.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Matthew Niemeyer Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
7Medicare enrollment records show Matthew Niemeyer reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Madison, WI 53705
- Reassigned Medicare billing, Wisconsin enrollment
- 206 clinicians in this Medicare group
Middleton, WI 53562
- Reassigned Medicare billing, Wisconsin enrollment
- 2,832 clinicians in this Medicare group
Fort Atkinson, WI 53538
- Reassigned Medicare billing, Wisconsin enrollment
- 298 clinicians in this Medicare group
Spring Green, WI 53588
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1659301273 (Wisconsin)
- 168 clinicians in this Medicare group
South Beloit, IL 61080
- Reassigned Medicare billing, Illinois enrollment
- 2,127 clinicians in this Medicare group
Rockford, IL 61104
- Reassigned Medicare billing, Illinois enrollment
- 39 clinicians in this Medicare group
Park Ridge, IL 60068
- Reassigned Medicare billing, Illinois enrollment
- 202 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.
Areas of Expertise CMS Part B claims 9
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Unitypoint Health - Meriter
Acute Care Hospitals · Madison, WIUniversity Of Wi Hospitals & Clinics Authority
Acute Care Hospitals · Madison, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53792 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MADISON, WI 53792
MADISON, WI 53792
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 Matthew Niemeyer's NPI number?
The NPI number for Matthew Niemeyer is 1609018050. It was assigned to this individual provider in the NPPES registry on April 1, 2009.
Where is Matthew Niemeyer located?
Matthew Niemeyer practices at 600 Highland Ave, Madison, WI 53792. The listed phone number is (608) 263-9729.
What is Matthew Niemeyer's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Vascular & Interventional Radiology, with taxonomy code 2085R0204X.
Is Matthew Niemeyer enrolled in Medicare?
Yes. Matthew Niemeyer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Matthew Niemeyer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Niemeyer reassigns Medicare benefits to 7 organizations: University Of Wisconsin System Non Payroll (Madison, WI), University Of Wisconsin Medical Foundation, Inc (Middleton, WI), Fort Healthcare, Inc. (Fort Atkinson, WI), Richland Hospital (Spring Green, WI), The Board Of Trustees Of The University Of Illinois (South Beloit, IL) and 2 more organizations, listed in the Medicare section above. Each 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 Matthew Niemeyer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Matthew Niemeyer accept?
Health plans from Group Health Cooperative-SCW and Quartz list Matthew Niemeyer 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.
Is Matthew Niemeyer affiliated with any hospitals?
According to CMS data, Matthew Niemeyer is affiliated with Unitypoint Health - Meriter and University Of Wi Hospitals & Clinics Authority.
When was this NPI record last updated?
The NPPES record for Matthew Niemeyer was last updated on December 12, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 months 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.
# Dr. Matthew Niemeyer, MD · NPI 1609018050
Vascular & Interventional Radiology physician in Madison, Wisconsin. Individual provider, active in the CMS NPPES registry since April 1, 2009.
## Identity
- **NPI:** 1609018050 (Entity type: Individual)
- **Enumerated:** April 1, 2009
- **Primary specialty:** Radiology - Vascular & Interventional Radiology · taxonomy 2085R0204X
- **State license:** 84151 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 600 HIGHLAND AVE, Madison, WI 53792-7232
- **Phone:** (608) 263-9729 · **Fax:** (608) 263-0682
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 7 organizations under Medicare reassignment (form CMS-855R): University Of Wisconsin System Non Payroll (NPI 1346266319, Madison, WI); University Of Wisconsin Medical Foundation, Inc (NPI 1598784555, Middleton, WI); Fort Healthcare, Inc. (NPI 1811916281, Fort Atkinson, WI); Richland Hospital (NPI 1952094138, Spring Green, WI); The Board Of Trustees Of The University Of Illinois (NPI 1871905190, South Beloit, IL); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Michigan Medical School, class of 2009
## Record status
- **NPPES last updated:** December 12, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1609018050) · Data from the CMS NPPES public registry.