Individual provider Active NPI

William Joseph Wadzinski, MD

  • Critical Care Medicine (Internal Medicine) Physician
  • Green Bay, WI
National Provider Identifier
1790027829
Registry record updated Nov 17, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Critical Care Medicine (Internal Medicine) PhysicianTaxonomy code 207RC0200X
License
85031 Issued in WI
Practice address
2845 Greenbrier Rd
Green Bay, WI 54311-6519
Phone
(920) 288-8000
NPI assigned
Mar 27, 2013
Last updated
Nov 17, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 17, 2025

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 0101257184 VA
Critical Care Medicine (Internal Medicine) Physician 207RC0200X 85031 WI Primary
Critical Care Medicine (Internal Medicine) Physician 207RC0200X 0101257184 VA
Pulmonary Disease Physician 207RP1001X 0101257184 VA

Addresses

Primary practice location

2845 Greenbrier Rd
Green Bay, WI 54311-6519

Mailing address

PO Box 735044
Chicago, IL 60673-5044
Phone (800) 326-2250

Other practice location 1

1 Jarrett White Rd
Tripler Army Medical Center, HI 96859-5001
Phone (888) 683-2778

Other identifiers 1

IdentifierTypeStateIssuer
100324847MedicaidWI

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address wwadzinski427519@direct.myadvocateaurora.org Direct
FHIR URL https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/

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
I20250519001769 WI Practitioner - Critical Care (Intensivists) 2668796210 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Critical Care (Intensivists)
Education
Other, 2013
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Baycare Aurora LLCGroup PAC ID 0244130557, 197 clinicians

Practice addresses (Care Compare)

2845 Greenbrier Rd
Green Bay, WI 54311-6519
Phone (920) 288-8000

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
0101257184VAMDCritical Care Medicine (Internal Medicine) Physician
85031WIMDCritical Care Medicine (Internal Medicine) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Baycare Aurora, LLC Critical Care Medicine CurrentSince May 12, 2025 Accepting new patients

Locations

2253 W Mason St
Green Bay, WI 54303
Phone (920) 327-7000

2845 Greenbrier Rd
Green Bay, WI 54311
Phone (920) 288-3388

Interoperability endpoints

  • Direct secure messaging: william.wadzinski@428821943877636.direct.elationemr.com

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": "1364342400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763337600000",
    "number": "1790027829",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 735044",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606735044",
            "telephone_number": "800-326-2250"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2845 GREENBRIER RD",
            "city": "GREEN BAY",
            "state": "WI",
            "postal_code": "543116519",
            "telephone_number": "920-288-8000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1 Jarrett White Rd",
            "address_purpose": "LOCATION",
            "city": "Tripler Army Medical Center",
            "state": "HI",
            "postal_code": "968595001",
            "country_code": "US",
            "telephone_number": "888-683-2778",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WADZINSKI",
        "first_name": "WILLIAM",
        "middle_name": "JOSEPH",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2013-03-27",
        "last_updated": "2025-11-17",
        "certification_date": "2025-11-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "VA",
            "license": "0101257184",
            "primary": false
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "WI",
            "license": "85031",
            "primary": true
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "VA",
            "license": "0101257184",
            "primary": false
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "VA",
            "license": "0101257184",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100324847",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "wwadzinski427519@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "2845 GREENBRIER RD",
            "city": "GREEN BAY",
            "state": "WI",
            "country_code": "US",
            "postal_code": "543116519",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "2845 GREENBRIER RD",
            "city": "GREEN BAY",
            "state": "WI",
            "country_code": "US",
            "postal_code": "543116519",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Green Bay, WI

Sources for this page

Verify at the official NPI Registry.