MS. KAREN ALICE BROWN APNP
NPI 1407121676
Nurse Practitioner - Family in Germantown, WI
About Ms. Karen Alice Brown Apnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. KAREN ALICE BROWN APNP (NPI 1407121676) is an individual family provider in Germantown, Wisconsin, licensed in Wisconsin (4800-33) and active in the NPI registry since March 2012. She is enrolled in Medicare PECOS, is affiliated with Ascension Columbia St Mary's Hospital Milwaukee, and maintains a secondary practice location in Milwaukee.
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
Ms. Karen Alice Brown Apnp 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 Karen Brown reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Mequon, WI 53097
- 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.
Ascension Columbia St Mary's Hospital Milwaukee
Acute Care Hospitals · Milwaukee, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53022 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 17
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Karen Brown's NPI number?
The NPI number for Karen Brown is 1407121676. It was assigned to this individual provider in the NPPES registry on March 20, 2012.
Where is Karen Brown located?
Karen Brown practices at N112w15415 Mequon Rd, Germantown, WI 53022. The listed phone number is (262) 250-7800.
What is Karen Brown's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Karen Brown enrolled in Medicare?
Yes. Karen Brown 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 Karen Brown's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Brown reassigns Medicare benefits to Columbia St. Mary's Hospital Milwaukee, Inc (Mequon, 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 Karen Brown's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karen Brown accept?
Health plans from Anthem Blue Cross and Blue Shield and Network Health list Karen Brown 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 Karen Brown affiliated with any hospitals?
According to CMS data, Karen Brown is affiliated with Ascension Columbia St Mary's Hospital Milwaukee.
When was this NPI record last updated?
The NPPES record for Karen Brown was last updated on June 11, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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. Karen Alice Brown, APNP · NPI 1407121676
Family physician in Germantown, Wisconsin. Individual provider, active in the CMS NPPES registry since March 20, 2012.
## Identity
- **NPI:** 1407121676 (Entity type: Individual)
- **Enumerated:** March 20, 2012
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 4800-33 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** N112W15415 MEQUON RD, Germantown, WI 53022-3410
- **Phone:** (262) 250-7800 · **Fax:** (262) 250-7980
## 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:** Columbia St. Mary's Hospital Milwaukee, Inc (NPI 1710928221, Mequon, WI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1993
## Record status
- **NPPES last updated:** June 11, 2019
- **Other identifiers:** Medicaid 1407121676 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1407121676) · Data from the CMS NPPES public registry.