Individual provider Active NPI

Allyson Johnson, PA-C

  • Physician Assistant
  • Madison, WI
National Provider Identifier
1578303012
Registry record updated Aug 18, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
PA20516 Issued in TX
Practice address
1111 E Johnson St Apt 2
Madison, WI 53703-1646
Phone
(330) 714-2209
NPI assigned
May 31, 2024
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 18, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X PA20516 TX Primary
Medical Physician Assistant 363AM0700X 7898-23 WI

Addresses

Primary practice location

1111 E Johnson St Apt 2
Madison, WI 53703-1646

Mailing address

1111 E Johnson St Apt 2
Madison, WI 53703-1646

Other practice location 1

600 Highland Ave
Madison, WI 53792-0001
Phone (608) 263-5442

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address ajohnson5158476@direct.uwhealth.org

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20240809002755 WI Practitioner - Physician Assistant 2062950983 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2024
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

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

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

State licenses

LicenseStateTypeSpecialty
7898-23WIMDMedical Physician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
University of Wisconsin Medical Foundation, Inc CurrentSince Sep 9, 2024 Accepting new patients
University of Wisconsin Medical Foundation, Inc CurrentSince Sep 9, 2024 Accepting new patients
University of Wisconsin Medical Foundation Inc Past Accepting new patients

Locations

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

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

Interoperability endpoints

  • Direct secure messaging: ajohnson5158476@direct.uwhealth.org

Organizations & group practices 3

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 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": "1717113600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787011200000",
    "number": "1578303012",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1111 E JOHNSON ST APT 2",
            "city": "MADISON",
            "state": "WI",
            "postal_code": "537031646"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1111 E JOHNSON ST APT 2",
            "city": "MADISON",
            "state": "WI",
            "postal_code": "537031646",
            "telephone_number": "330-714-2209"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "600 Highland Ave",
            "address_purpose": "LOCATION",
            "city": "Madison",
            "state": "WI",
            "postal_code": "537920001",
            "country_code": "US",
            "telephone_number": "608-263-5442",
            "fax_number": "608-265-1753",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "JOHNSON",
        "first_name": "ALLYSON",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2024-05-31",
        "last_updated": "2026-08-18",
        "certification_date": "2026-08-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "TX",
            "license": "PA20516",
            "primary": true
        },
        {
            "code": "363AM0700X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Medical",
            "state": "WI",
            "license": "7898-23",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "ajohnson5158476@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.