Individual provider Active NPI

Joan C Hermsen, APNP

  • Nurse Practitioner
  • Madison, WI
National Provider Identifier
1073572004
Registry record updated Jul 29, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nurse PractitionerTaxonomy code 363L00000X
License
1363 Issued in WI
Practice address
600 Highland Ave
Madison, WI 53792-0001
Phone
(608) 263-1530
Fax
(608) 265-8887
NPI assigned
Mar 20, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 29, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Nurse Practitioner 363L00000X 105239 WI
Nurse Practitioner 363L00000X 1363 WI Primary

Addresses

Primary practice location

600 Highland Ave
Madison, WI 53792-0001

Mailing address

7974 Uw Health CT
Middleton, WI 53562-5531

Other practice location 1

2900 W Oklahoma Ave
Milwaukee, WI 53215-4330
Phone (414) 649-6000

Other practice location 2

3400 Ministry Pkwy
Westom, WI 54476-5213
Phone (715) 393-1000

Other identifiers 1

IdentifierTypeStateIssuer
43923300MedicaidWI

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address jhermsen3848@direct.uwhealth.org

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
I20100716000727 WI Practitioner - Nurse Practitioner 2062544653 Reassigns benefits to 11 organizations

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
MCHS Hospitals IncGroup PAC ID 5698071173, shared by 28 NPIs, 1,195 clinicians
University of Wisconsin Medical Foundation IncGroup PAC ID 6608785464, 2,537 clinicians

Practice addresses (Care Compare)

1000 N Oak Ave
Marshfield, WI 54449-5703
Phone (715) 387-5511

3400 Ministry Pkwy
Weston, WI 54476-5220
Phone (715) 393-1000

600 Highland Ave
Madison, WI 53792-0001
Phone (608) 263-6400

Hospital & facility affiliations

  • Marshfield Medical Center - Weston Hospital, Weston, WI, CCN 520202
  • Marshfield Medical Center Hospital, Marshfield, WI, CCN 520037
  • Marshfield Medical Center - Minocqua Hospital, Minocqua, WI, CCN 520212
  • University of Wi Hospitals & Clinics Authority Hospital, Madison, WI, CCN 520098

Merit-based Incentive Payment System (MIPS)

Final score
83.32 of 100Reported as group
Quality
87.78
Promoting interoperability
77
Improvement activities
40
Cost
75.8

Merit-based Incentive Payment System (MIPS)

Final score
99.02 of 100Reported as apm
Quality
85.37
Promoting interoperability
100
Improvement activities
40

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
1363WIMDPhysician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Beaver Dam Community Hospitals Inc CurrentSince Aug 4, 2025 Accepting new patients
Beaver Dam Community Hospitals Inc CurrentSince Aug 4, 2025 Accepting new patients
University of Wisconsin Medical Foundation, Inc CurrentSince Apr 29, 2003 Accepting new patients
Flambeau Hospital Inc CurrentSince Aug 4, 2025 Accepting new patients
Marshfield Clinic Inc CurrentSince Aug 4, 2025 Accepting new patients
Aurora Medical Group, Inc. CurrentSince Aug 23, 2024 Accepting new patients
Flambeau Hospital Inc Current Accepting new patients
Aurora Medical Group, Inc. CurrentSince Aug 23, 2024 Accepting new patients
Memorial Hospital Inc CurrentSince Aug 4, 2025 Accepting new patients
Lakeview Medical Center Inc of Rice Lake CurrentSince Aug 4, 2025 Accepting new patients
MCHS Hospitals Inc CurrentSince Aug 4, 2025 Accepting new patients
MCHS Hospitals Inc Current Accepting new patients
Memorial Hospital Inc CurrentSince Aug 4, 2025 Accepting new patients
University of Wisconsin Medical Foundation, Inc CurrentSince Apr 29, 2003 Accepting new patients
MCHS Hospitals Inc CurrentSince Aug 4, 2025 Accepting new patients
Memorial Hospital Inc Past Accepting new patients

Locations

705 S University Ave
Beaver Dam, WI 53916
Phone (920) 885-6090

3501 Golf Rd
Eau Claire, WI 54701
Phone (715) 858-4200

420 E Division St
Fond du Lac, WI 54935
Phone (920) 923-7400

4602 Eastpark Blvd
Madison, WI 53718
Phone (608) 263-7540

600 Highland Ave
Madison, WI 53792
Phone (608) 263-0325

1000 N Oak Ave
Marshfield, WI 54449
Phone (715) 387-5111

1102 S Center Ave
Merrill, WI 54452
Phone (715) 536-3399

7974 Uw Health Ct
Middleton, WI 53562
Phone (608) 829-5270

2900 W Oklahoma Ave
Milwaukee, WI 53215
Phone (414) 385-2590

1020 N 12th St
Milwaukee, WI 53233
Phone (414) 219-3056

N3708 River Ave
Neillsville, WI 54456
Phone (715) 743-3101

1700 W Stout St
Rice Lake, WI 54868
Phone (715) 236-6133

3400 Ministry Pkwy
Weston, WI 54476
Phone (715) 393-1000

Organizations & group practices 16

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.

View all 16

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": "1142812800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1753747200000",
    "number": "1073572004",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7974 UW HEALTH CT",
            "city": "MIDDLETON",
            "state": "WI",
            "postal_code": "535625531"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "600 HIGHLAND AVE",
            "city": "MADISON",
            "state": "WI",
            "postal_code": "537920001",
            "telephone_number": "608-263-1530",
            "fax_number": "608-265-8887"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2900 W Oklahoma Ave",
            "address_purpose": "LOCATION",
            "city": "Milwaukee",
            "state": "WI",
            "postal_code": "532154330",
            "country_code": "US",
            "telephone_number": "414-649-6000",
            "fax_number": "414-649-5296",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3400 Ministry Pkwy",
            "address_purpose": "LOCATION",
            "city": "Westom",
            "state": "WI",
            "postal_code": "544765213",
            "country_code": "US",
            "telephone_number": "715-393-1000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HERMSEN",
        "first_name": "JOAN",
        "middle_name": "C",
        "credential": "APNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-03-20",
        "last_updated": "2025-07-29",
        "certification_date": "2025-07-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "WI",
            "license": "105239",
            "primary": false
        },
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "WI",
            "license": "1363",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "43923300",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "jhermsen3848@direct.uwhealth.org",
            "affiliation": "N",
            "address_1": "600 Highland Ave",
            "city": "Madison",
            "state": "WI",
            "country_code": "US",
            "postal_code": "537920001",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Madison, WI

Sources for this page

Verify at the official NPI Registry.