Individual provider Active NPI

Chelsea Diehl, APNP

  • Family Nurse Practitioner
  • Madison, WI
National Provider Identifier
1144805300
Registry record updated Sep 17, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
10764-33 Issued in WI
Practice address
600 Highland Ave
Madison, WI 53792-1830
Phone
(608) 263-1530
NPI assigned
Mar 9, 2021
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 17, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse Practitioner 363LF0000X 10764-33 WI Primary
Nurse Practitioner 363L00000X 10764-33 WI

Addresses

Primary practice location

600 Highland Ave
Madison, WI 53792-1830

Mailing address

7974 Uw Health CT
Middleton, WI 53562-5531

Other practice location 1

515 22nd Ave
Monroe, WI 53566-1598
Phone (608) 324-1049

Other identifiers 1

IdentifierTypeStateIssuer
1144805300MedicaidWI

Electronic endpoints 5

TypeEndpointUseAffiliation
Direct Messaging Address cdiehl346396@direct-ehr-ssmhc.com Direct
FHIR URL https://webproxyprd.monroeclinic.org/FHIR-PRD/api/FHIR/DSTU2/ Other
Direct Messaging Address CDIEHL22157@DIRECT.MONROECLINIC.ORG Direct
FHIR URL https://fhir.ssmhc.com/fhir/api/FHIR/DSTU2/ Other
Direct Messaging Address cdiehl491567@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
I20210326000344 WI Practitioner - Nurse Practitioner 5698182269 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2021
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
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
10764-33WIMDNurse Practitioner

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
Dean Health Systems, Inc CurrentSince Mar 28, 2022 Accepting new patients
Dean Health Systems, Inc. CurrentSince Mar 28, 2022 Accepting new patients
University of Wisconsin Medical Foundation Inc Past Accepting new patients

Locations

1808 W Beltline Hwy
Madison, WI 53713
Phone (608) 250-1497

700 S Park St
Madison, WI 53715
Phone (608) 260-2900

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

700 S Park St
Ste A
Madison, WI 53715
Phone (608) 260-2900

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

515 22nd Ave
Monroe, WI 53566
Phone (608) 324-1000

Interoperability endpoints

  • Direct secure messaging: cdiehl22157@direct.monroeclinic.org

Organizations & group practices 5

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 6

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": "1615248000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758067200000",
    "number": "1144805300",
    "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": "537921830",
            "telephone_number": "608-263-1530"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "515 22nd Ave",
            "address_purpose": "LOCATION",
            "city": "Monroe",
            "state": "WI",
            "postal_code": "535661598",
            "country_code": "US",
            "telephone_number": "608-324-1049",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DIEHL",
        "first_name": "CHELSEA",
        "name_prefix": "Mrs.",
        "credential": "APNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-03-09",
        "last_updated": "2025-09-17",
        "certification_date": "2025-09-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "WI",
            "license": "10764-33",
            "primary": true
        },
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "WI",
            "license": "10764-33",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1144805300",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "cdiehl346396@direct-ehr-ssmhc.com",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "cdiehl346396@direct-ehr-ssmhc.com",
            "address_1": "700 S Park St",
            "city": "Madison",
            "state": "WI",
            "country_code": "US",
            "postal_code": "537151830",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://webproxyprd.monroeclinic.org/FHIR-PRD/api/FHIR/DSTU2/",
            "affiliation": "N",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "FHIR API",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CCD",
            "address_1": "515 22nd Ave",
            "city": "Monroe",
            "state": "WI",
            "country_code": "US",
            "postal_code": "535661598",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "CDIEHL22157@DIRECT.MONROECLINIC.ORG",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CDIEHL22157@DIRECT.MONROECLINIC.ORG",
            "address_1": "515 22nd Ave",
            "city": "Monroe",
            "state": "WI",
            "country_code": "US",
            "postal_code": "535661598",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://fhir.ssmhc.com/fhir/api/FHIR/DSTU2/",
            "affiliation": "N",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "FHIR API",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CCD",
            "address_1": "700 S Park St",
            "city": "Madison",
            "state": "WI",
            "country_code": "US",
            "postal_code": "537151830",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "cdiehl491567@direct.uwhealth.org",
            "affiliation": "N",
            "address_1": "600 Highland Ave",
            "city": "Madison",
            "state": "WI",
            "country_code": "US",
            "postal_code": "537921830",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Madison, WI

Sources for this page

Verify at the official NPI Registry.