Individual provider Active NPI

Greta R Preuss

  • Family Nurse Practitioner
  • Madison, WI
National Provider Identifier
1750255311
Registry record updated May 26, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
1752933 Issued in WI
Practice address
675 W Washington Ave
Madison, WI 53703-2637
Phone
(608) 257-9700
NPI assigned
Oct 6, 2025
Last updated
May 26, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 26, 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 1752933 WI Primary

Addresses

Primary practice location

675 W Washington Ave
Madison, WI 53703-2637

Mailing address

1265 John Q Hammons Dr
Madison, WI 53717-1921
Phone (608) 251-4156

Other names 1

  • Greta R Johnson 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
I20251203002696 WI Practitioner - Nurse Practitioner 2860985397 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2025
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Group Health Cooperative of South Central WisconsinGroup PAC ID 3870489586, 233 clinicians

Practice addresses (Care Compare)

3051 Cahill Main
Fitchburg, WI 53711-7109
Phone (608) 661-7200

5249 E Terrace Dr
Madison, WI 53718-8339
Phone (608) 222-9777

675 W Washington Ave
Madison, WI 53703-2637
Phone (608) 257-9700

8202 Excelsior Dr
Madison, WI 53717-1906
Phone (608) 831-1766

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
1752933WIMDFamily Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Group Health Cooperative of South Central Wisconsin CurrentSince Nov 3, 2025 Accepting new patients

Locations

1265 John Q Hammons Dr
Madison, WI 53717

675 W Washington Ave
Madison, WI 53703
Phone (608) 257-5178

8202 Excelsior Dr
Madison, WI 53717
Phone (608) 831-1766

Organizations & group practices 1

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 1

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": "1759708800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779753600000",
    "number": "1750255311",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1265 JOHN Q HAMMONS DR",
            "city": "MADISON",
            "state": "WI",
            "postal_code": "537171921",
            "telephone_number": "608-251-4156"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "675 W WASHINGTON AVE",
            "city": "MADISON",
            "state": "WI",
            "postal_code": "537032637",
            "telephone_number": "608-257-9700"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PREUSS",
        "first_name": "GRETA",
        "middle_name": "R",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-10-06",
        "last_updated": "2026-05-26",
        "certification_date": "2026-05-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "WI",
            "license": "1752933",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "GRETA",
            "last_name": "JOHNSON",
            "middle_name": "R",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Madison, WI

Sources for this page

Verify at the official NPI Registry.