MS. MARGARET ANN KNEZEVICH NP
NPI 1801184288
Nurse Practitioner in Menomonee Falls, WI
About Ms. Margaret Ann Knezevich Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. MARGARET ANN KNEZEVICH NP (NPI 1801184288) is an individual nurse practitioner in Menomonee Falls, Wisconsin, licensed in Wisconsin (9413-33) and active in the NPI registry since July 2011. She is enrolled in Medicare PECOS, is affiliated with Froedtert Memorial Lutheran Hospital, and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses
Other Names 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
Ms. Margaret Ann Knezevich Np 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
3Medicare enrollment records show Margaret Knezevich reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Menomonee Falls, WI 53051
- Reassigned Medicare billing, Wisconsin enrollment
- 2,294 clinicians in this Medicare group
Milwaukee, WI 53226
- Reassigned Medicare billing, Wisconsin enrollment
- 3,983 clinicians in this Medicare group
Glendale, WI 53217
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: Columbia St Marys Hospital Milwaukee Inc
- 856 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 2
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.
Froedtert Memorial Lutheran Hospital
Acute Care Hospitals · Milwaukee, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53051 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
MENOMONEE FALLS, WI 53051
MENOMONEE FALLS, WI 53051
MENOMONEE FALLS, WI 53051
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 Margaret Knezevich's NPI number?
The NPI number for Margaret Knezevich is 1801184288. It was assigned to this individual provider in the NPPES registry on July 19, 2011. The provider is also known as Margaret Koval.
Where is Margaret Knezevich located?
Margaret Knezevich practices at W180n8000 Town Hall Rd, Menomonee Falls, WI 53051. The listed phone number is (262) 255-2500.
What is Margaret Knezevich's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Margaret Knezevich enrolled in Medicare?
Yes. Margaret Knezevich 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 Margaret Knezevich's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Knezevich reassigns Medicare benefits to 3 organizations: Froedtert & the Medical College Of Wisconsin Community Physicians, Inc. (Menomonee Falls, WI), The Medical College Of Wisconsin, Inc. (Milwaukee, WI) and Columbia St. Mary's Hospital Milwaukee, Inc (Glendale, WI). 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 Margaret Knezevich's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Margaret Knezevich accept?
Health plans from Anthem Blue Cross and Blue Shield, HealthPartners and Network Health list Margaret Knezevich 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 Margaret Knezevich affiliated with any hospitals?
According to CMS data, Margaret Knezevich is affiliated with Froedtert Memorial Lutheran Hospital.
When was this NPI record last updated?
The NPPES record for Margaret Knezevich was last updated on February 6, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Ms. Margaret Ann Knezevich, NP · NPI 1801184288
Nurse Practitioner physician in Menomonee Falls, Wisconsin. Individual provider, active in the CMS NPPES registry since July 19, 2011.
## Identity
- **NPI:** 1801184288 (Entity type: Individual)
- **Enumerated:** July 19, 2011
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 9413-33 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** W180N8000 TOWN HALL RD, Menomonee Falls, WI 53051-4002
- **Phone:** (262) 255-2500
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Froedtert & the Medical College Of Wisconsin Community Physicians, Inc. (NPI 1568787448, Menomonee Falls, WI); The Medical College Of Wisconsin, Inc. (NPI 1699720086, Milwaukee, WI); Columbia St. Mary's Hospital Milwaukee, Inc (NPI 1215945456, Glendale, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** February 6, 2024
- **Other identifiers:** Medicaid 1801184288 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1801184288) · Data from the CMS NPPES public registry.