Individual provider Active NPI

Cornelia M Riedl, M.D.

  • Anesthesiology Physician
  • Milwaukee, WI
National Provider Identifier
1407830623
Registry record updated Feb 2, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
35791-020 Issued in WI
Practice address
9200 W Wisconsin Ave
Milwaukee, WI 53226-3522
Phone
(414) 259-3000
NPI assigned
Dec 1, 2005
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 2, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X 35791-020 WI Primary

Addresses

Primary practice location

9200 W Wisconsin Ave
Milwaukee, WI 53226-3522

Mailing address

225 S Executive Dr
Brookfield, WI 53005-4257
Phone (262) 787-4026

Other practice location 1

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

Other identifiers 1

IdentifierTypeStateIssuer
32329700MedicaidWI

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address criedl330458@direct-ehr-ssmhc.com Direct AGNESIAN HEALTHCARE INC
FHIR URL https://fhir.ssmhc.com/fhir/api/FHIR/DSTU2/ Other AGNESIAN HEALTHCARE INC

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: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20040915000391 WI Practitioner - Anesthesiology 0446227037 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
University of Wisconsin School of Medicine, 1993
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
MCHS Hospitals IncGroup PAC ID 5698071173, 1,195 clinicians

Practice addresses (Care Compare)

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

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
35791-020WIMDAnesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Agnesian Healthcare, Inc Current Accepting new patients
MCHS Hospitals Inc Anesthesiology CurrentSince Apr 12, 2021 Accepting new patients
Agnesian Healthcare Inc Anesthesiology CurrentSince May 1, 2018 Accepting new patients
MCHS Hospitals Inc CurrentSince Apr 12, 2021 Accepting new patients
Marshfield Clinic Inc CurrentSince Apr 12, 2021 Accepting new patients
Agnesian Healthcare Inc CurrentSince May 1, 2018 Accepting new patients
MCHS Hospitals Inc Anesthesiology Current Accepting new patients
The Medical College of Wisconsin, Inc. Anesthesiology Past Accepting new patients

Locations

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

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

430 E Division St
Fond du Lac, WI 54935
Phone (920) 926-4200

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

9200 W Wisconsin Ave
Wauwatosa, WI 53226
Phone (414) 259-3000

Interoperability endpoints

  • Direct secure messaging: cornelia.riedl@marshfieldclinichealthsystem.cernerdirect.com

Organizations & group practices 9

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": "1133395200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769990400000",
    "number": "1407830623",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "225 S EXECUTIVE DR",
            "city": "BROOKFIELD",
            "state": "WI",
            "postal_code": "530054257",
            "telephone_number": "262-787-4026"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9200 W WISCONSIN AVE",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532263522",
            "telephone_number": "414-259-3000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1000 N Oak Ave",
            "address_purpose": "LOCATION",
            "city": "Marshfield",
            "state": "WI",
            "postal_code": "544495703",
            "country_code": "US",
            "telephone_number": "715-387-5511",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "RIEDL",
        "first_name": "CORNELIA",
        "middle_name": "M",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-12-01",
        "last_updated": "2026-02-02",
        "certification_date": "2026-02-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "WI",
            "license": "35791-020",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "32329700",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "criedl330458@direct-ehr-ssmhc.com",
            "affiliation": "Y",
            "affiliationName": "AGNESIAN HEALTHCARE INC",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "criedl330458@direct-ehr-ssmhc.com",
            "address_1": "430 E Division St",
            "city": "Fond Du Lac",
            "state": "WI",
            "country_code": "US",
            "postal_code": "549354560",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://fhir.ssmhc.com/fhir/api/FHIR/DSTU2/",
            "affiliation": "Y",
            "affiliationName": "AGNESIAN HEALTHCARE INC",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "FHIR API",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CCD",
            "address_1": "430 E Division St",
            "city": "Fond Du Lac",
            "state": "WI",
            "country_code": "US",
            "postal_code": "549354560",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Milwaukee, WI

Sources for this page

Verify at the official NPI Registry.