MRS. MARGARET AIKINS KEUP APNP
NPI 1023417169
Nurse Practitioner - Acute Care in Grafton, WI

Active since August 14, 2014PECOS EnrolledAccepts Medicare Assignment
975 PORT WASHINGTON RD, GRAFTON, WI 53024(262) 329-1000 Get Directions Write a Review

NPPES record last updated: March 3, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 3, 2023, Feb 24, 2023, Mar 14, 2019 (3 updates tracked since 2019).

About Mrs. Margaret Aikins Keup Apnp NPPES

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

MRS. MARGARET AIKINS KEUP APNP (NPI 1023417169) is an individual acute care provider in Grafton, Wisconsin, licensed in Wisconsin (5585) and active in the NPI registry since August 2014. She is enrolled in Medicare PECOS, is affiliated with Ascension Columbia St Mary's Hospital Milwaukee, and is a graduate of Other (2014).

NPPES Registry Identity

NPI1023417169
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameMRS. MARGARET AIKINS KEUPCredential: APNP
Location Address975 PORT WASHINGTON RDGrafton, WI 53024-9201
Mailing Address975 Port Washington RdGrafton, WI 53024-9201 · (262) 329-1000
Sole ProprietorNo
Medical School CMSOtherGraduated 2014
Enumeration DateAugust 14, 2014
Last NPPES UpdateMarch 3, 20233 updates tracked since enumeration
NPPES CertifiedMarch 3, 2023
NPI 1023417169 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License Licensed in WI · 5585
Also ListedNurse PractitionerTaxonomy 363L00000X · License 5855 (WI)
Also ListedNurse Practitioner · Adult HealthTaxonomy 363LA2200X · License 5585 (WI)
975 PORT WASHINGTON RD, Grafton, WI 53024

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Mrs. Margaret Aikins Keup 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.

PECOS PAC ID5193945954
PECOS Enrollment IDI20140930002103
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.

Hospital Affiliations CMS Care Compare 3

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, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number520051
Location2323 N Lake DrMilwaukee, WI 53211 · Milwaukee County
Emergency services Birthing friendly

Ascension All Saints Hospital

Acute Care Hospitals · Racine, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number520096
Location3801 Spring StRacine, WI 53405 · Racine County
Emergency services Birthing friendly

Ascension SE Wisconsin Hospital

Acute Care Hospitals · Milwaukee, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number520136
Location5000 W Chambers StMilwaukee, WI 53210 · Milwaukee County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53024 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 20

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

Physical Therapist
975 PORT WASHINGTON RD
GRAFTON, WI 53024
Pharmacist
975 PORT WASHINGTON RD
GRAFTON, WI 53024
Physician Assistant
975 PORT WASHINGTON RD
GRAFTON, WI 53024
Internal Medicine (Interventional Cardiology)
975 PORT WASHINGTON RD
GRAFTON, WI 53024
Nurse Practitioner
975 PORT WASHINGTON RD
GRAFTON, WI 53024
Hospitalist
975 PORT WASHINGTON RD
GRAFTON, WI 53024
Speech-Language Pathologist
975 PORT WASHINGTON RD
GRAFTON, WI 53024
Nurse Practitioner
975 PORT WASHINGTON RD
GRAFTON, WI 53024

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 Keup's NPI number?

The NPI number for Margaret Keup is 1023417169. It was assigned to this individual provider in the NPPES registry on August 14, 2014.

Where is Margaret Keup located?

Margaret Keup practices at 975 Port Washington Rd, Grafton, WI 53024. The listed phone number is (262) 329-1000.

What is Margaret Keup's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Margaret Keup enrolled in Medicare?

Yes. Margaret Keup 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.

What insurance does Margaret Keup accept?

Health plans from UnitedHealthcare list Margaret Keup 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 Keup affiliated with any hospitals?

According to CMS data, Margaret Keup is affiliated with Ascension Columbia St Mary's Hospital Milwaukee, Ascension All Saints Hospital and Ascension SE Wisconsin Hospital.

When was this NPI record last updated?

The NPPES record for Margaret Keup was last updated on March 3, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.