MATTHEW BRIAN KOWALKE MD
NPI 1932605425
Internal Medicine in Marinette, WI
About Matthew Brian Kowalke Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MATTHEW BRIAN KOWALKE MD (NPI 1932605425) is an individual internal medicine provider in Marinette, Wisconsin, licensed in Wisconsin (21645) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS, is affiliated with Bay Area Medical Center, and maintains a secondary practice location in Ellenton.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 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
Matthew Brian Kowalke 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 Reassignment
Medicare enrollment records show Matthew Kowalke reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Sheboygan, WI 53081
- Reassigned Medicare billing, Wisconsin enrollment
- 4,609 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 12
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Bay Area Medical Center
Acute Care Hospitals · Marinette, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54143 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.
MARINETTE, WI 54143
MARINETTE, WI 54143
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 Kowalke's NPI number?
The NPI number for Matthew Kowalke is 1932605425. It was assigned to this individual provider in the NPPES registry on April 3, 2018.
Where is Matthew Kowalke located?
Matthew Kowalke practices at 4061 Old Peshtigo Rd, Marinette, WI 54143. The listed phone number is (715) 732-8000.
What is Matthew Kowalke's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Matthew Kowalke enrolled in Medicare?
Yes. Matthew Kowalke 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 organization bills Medicare for Matthew Kowalke's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Kowalke reassigns Medicare benefits to Aurora Medical Group, Inc. (Sheboygan, 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 Matthew Kowalke's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Matthew Kowalke accept?
Health plans from Anthem Blue Cross and Blue Shield, CareSource (Common Ground Healthcare), HealthPartners, Network Health and Quartz and 1 other insurer list Matthew Kowalke 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 Kowalke affiliated with any hospitals?
According to CMS data, Matthew Kowalke is affiliated with Bay Area Medical Center.
When was this NPI record last updated?
The NPPES record for Matthew Kowalke was last updated on December 26, 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.