Individual provider Active NPI

Margaret Aikins Keup, APNP

  • Acute Care Nurse Practitioner
  • Grafton, WI
National Provider Identifier
1023417169
Registry record updated Mar 3, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Acute Care Nurse PractitionerTaxonomy code 363LA2100X
License
5585 Issued in WI
Practice address
975 Port Washington Rd
Grafton, WI 53024-9201
Phone
(262) 329-1000
NPI assigned
Aug 14, 2014
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 3, 2023

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Nurse Practitioner 363L00000X 5855 WI
Adult Health Nurse Practitioner 363LA2200X 5585 WI
Acute Care Nurse Practitioner 363LA2100X 5585 WI Primary

Addresses

Primary practice location

975 Port Washington Rd
Grafton, WI 53024-9201

Mailing address

975 Port Washington Rd
Grafton, WI 53024-9201
Phone (262) 329-1000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WI
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20140930002103 WI Practitioner - Nurse Practitioner 5193945954 Reassigns benefits to 5 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2014
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Midwest Critical Care SCGroup PAC ID 4486026804, 49 clinicians

Practice addresses (Care Compare)

5000 W Chambers St
Milwaukee, WI 53210-1650
Phone (414) 447-2000

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
5855WIMDNurse Practitioner
5585WIMDAdult Health Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Ascension Medical Group-Southeast Wisconsin Inc Nurse Practitioner CurrentSince Feb 1, 2023 Accepting new patients
Midwest Critical Care SC CurrentSince Jan 1, 2023 Accepting new patients
Black River Health Inc CurrentSince Jan 28, 2026 Accepting new patients
Black River Health Inc CurrentSince Jan 28, 2026 Accepting new patients
Greater Milwaukee Critical Care and Pulmonary Associates SC CurrentSince Feb 17, 2022 Accepting new patients
Prohealth Medical Group Inc Past Accepting new patients

Locations

711 W Adams St
Blk River Fls, WI 54615
Phone (715) 284-1302

19475 W North Ave
Brookfield, WI 53045
Phone (262) 780-4000

13950 W Capitol Dr
Brookfield, WI 53005
Phone (414) 302-5400

6400 Industrial Loop
Greendale, WI 53129
Phone (414) 423-4100

2301 N Lake Dr
Milwaukee, WI 53211
Phone (414) 270-4932

5000 W Chambers St
Milwaukee, WI 53210
Phone (414) 447-2089

3201 S 16th St
Ste 2015
Milwaukee, WI 53215
Phone (262) 240-0841

2323 N Lake Dr
Milwaukee, WI 53211
Phone (414) 291-1000

3803 Spring St
Mount Pleasant, WI 53405
Phone (262) 687-3973

725 American Ave
Waukesha, WI 53188
Phone (262) 544-2011

201 N Mayfair Rd
Fl 2
Wauwatosa, WI 53226
Phone (414) 771-8228

Organizations & group practices 6

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 4

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1407974400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1677801600000",
    "number": "1023417169",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "975 PORT WASHINGTON RD",
            "city": "GRAFTON",
            "state": "WI",
            "postal_code": "530249201",
            "telephone_number": "262-329-1000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "975 PORT WASHINGTON RD",
            "city": "GRAFTON",
            "state": "WI",
            "postal_code": "530249201",
            "telephone_number": "262-329-1000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KEUP",
        "first_name": "MARGARET",
        "middle_name": "AIKINS",
        "name_prefix": "Mrs.",
        "credential": "APNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-08-14",
        "last_updated": "2023-03-03",
        "certification_date": "2023-03-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "WI",
            "license": "5855",
            "primary": false
        },
        {
            "code": "363LA2200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Adult Health",
            "state": "WI",
            "license": "5585",
            "primary": false
        },
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "WI",
            "license": "5585",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Grafton, WI

Sources for this page

Verify at the official NPI Registry.