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MRS. KAREN ELIZABETH MCNERNEY FNP-BC
NPI 1003139072
Nurse Practitioner - Family in West Allis, WI

Active since March 05, 2010PECOS Enrolled
7450 W OKLAHOMA AVE, WEST ALLIS, WI 53219(414) 414-8601(888) 355-7019 Get Directions Write a Review

NPPES record last updated: February 11, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Mrs. Karen Elizabeth Mcnerney Fnp-bc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. KAREN ELIZABETH MCNERNEY FNP-BC (NPI 1003139072) is an individual family provider in West Allis, Wisconsin, licensed in Wisconsin (3994-33) and active in the NPI registry since March 2010. She is enrolled in Medicare PECOS and maintains a secondary practice location in Milwaukee.

NPPES Registry Identity

NPI1003139072
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMRS. KAREN ELIZABETH MCNERNEYCredential: FNP-BC
Location Address7450 W OKLAHOMA AVEWest Allis, WI 53219-2860
Mailing Address102 Woodmont Blvd Ste 600Nashville, TN 37205-5250 · (888) 987-1151
Phone(414) 414-8601
Fax(888) 355-7019
Sole ProprietorNo
Enumeration DateMarch 5, 2010
Last NPPES UpdateFebruary 11, 2026
NPPES CertifiedFebruary 11, 2026
✔ NPI 1003139072 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in WI · 3994-33
7450 W OKLAHOMA AVE, West Allis, WI 53219
Open in Google Maps ↗

Secondary Practice Location 1

Location 11555 N Rivercenter Dr Ste 206Milwaukee, WI 53212-3958 · Phone (414) 231-1180 · Fax (414) 272-5617

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Karen Elizabeth Mcnerney Fnp-bc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53219 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$82.92 typical visit price
range $53.90 – $163.24
Typical copayment $20.73 (range $13.47 – $40.81)
Most-billed visit code 99203
Established Patient
$95.41 typical visit price
range $17.40 – $133.76
Typical copayment $23.85 (range $4.35 – $33.44)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

TIMOTHY J THOMPSON MD
Internal Medicine
7450 W OKLAHOMA AVE
WEST ALLIS, WI 53219
Milwaukee County (414) 414-8601

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 Mcnerney's NPI number?

The NPI number for Karen Mcnerney is 1003139072. It was assigned to this individual provider in the NPPES registry on March 5, 2010.

Where is Karen Mcnerney located?

Karen Mcnerney practices at 7450 W Oklahoma Ave, West Allis, WI 53219. The listed phone number is (414) 414-8601.

What is Karen Mcnerney's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Karen Mcnerney enrolled in Medicare?

Yes. Karen Mcnerney is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Karen Mcnerney was last updated on February 11, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.