Individual provider Active NPI

Chelsey A Mageski, MSN, APNP, FNP-BC

  • Family Nurse Practitioner
  • Milwaukee, WI
National Provider Identifier
1023613320
Registry record updated May 4, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
10602-33 Issued in WI
Practice address
342 N Water St Ste 600
Milwaukee, WI 53202-5715
Phone
(651) 342-1039
Fax
(651) 342-1428
NPI assigned
Dec 3, 2020
Last updated
May 4, 2026By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on May 4, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse Practitioner 363LF0000X 10602-33 WI Primary

Addresses

Primary practice location

342 N Water St Ste 600
Milwaukee, WI 53202-5715

Mailing address

270 Main St N Ste 300
Stillwater, MN 55082-6788
Phone (651) 342-1039

Other names 1

  • Chelsey A Weinberger Former name

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
I20211201001095 WI Practitioner - Nurse Practitioner 3971993221 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Bluestone Physician Services Wisconsin SCGroup PAC ID 7719296789, 30 clinicians

Practice addresses (Care Compare)

342 N Water St
Suite 600
Milwaukee, WI 53202-5715
Phone (651) 342-1039

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Master of Science - Nursing, Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Seasons Hospice & Palliative Care of Wisconsin, LLC CurrentSince Dec 7, 2025 Accepting new patients
Bluestone Physician Services Wisconsin SC CurrentSince May 2, 2022 Accepting new patients

Locations

6400 Shafer Ct
Ste 700
Rosemont, IL 60018

270 Main St N
Ste 300
Stillwater, MN 55082
Phone (651) 342-1039

342 N Water St
Ste 600
Milwaukee, WI 53202
Phone (414) 296-6189

6737 W Washington St
Ste 2150
West Allis, WI 53214
Phone (414) 203-8310

Organizations & group practices 2

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

Hospital & facility affiliations 3

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": "1606953600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777852800000",
    "number": "1023613320",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "270 MAIN ST N STE 300",
            "city": "STILLWATER",
            "state": "MN",
            "postal_code": "550826788",
            "telephone_number": "651-342-1039",
            "fax_number": "651-342-1428"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "342 N WATER ST STE 600",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532025715",
            "telephone_number": "651-342-1039",
            "fax_number": "651-342-1428"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAGESKI",
        "first_name": "CHELSEY",
        "middle_name": "A",
        "credential": "MSN, APNP, FNP-BC",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2020-12-03",
        "last_updated": "2026-05-04",
        "certification_date": "2026-05-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "WI",
            "license": "10602-33",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "CHELSEY",
            "last_name": "WEINBERGER",
            "middle_name": "A",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Milwaukee, WI

Sources for this page

Verify at the official NPI Registry.