David J Hoyer, M.D.

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

43603-020 Issued in WI

Practice address

744 S Webster Ave
Green Bay, WI 54301-3505

Phone

(920) 433-3500

Fax

(920) 433-7932

NPI assigned

Nov 29, 2005

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

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

Specialty

Emergency Medicine

Education

University of Wisconsin School of Medicine, 1999

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Oconto Hospital and Medical Center IncGroup PAC ID 2163461781, 217 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Bellin Health Oconto Hospital Hospital, Oconto, WI, CCN 521356

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: dhoyer36868@direct.thedacare.org

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.

• Oconto Hospital & Medical Center Inc

  • Critical Access Hospital
  • Oconto, WI
  • NPI 1356373302
  Medicare reassignment Care Compare group NPD
• Green Bay Emergency Medicine Services S.C.

  • Emergency Medicine Physician
  • Green Bay, WI
  • NPI 1366424111
  Medicare reassignment NPD
• Oconto Hospital & Medical Center Inc

  • Rural Health Clinic/Center
  • Suring, WI
  • NPI 1104418037
  NPD
• Oconto Hospital & Medical Center, Inc.

  • Rural Health Clinic/Center
  • Crivitz, WI
  • NPI 1174971725
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Oconto Hospital & Medical Center Inc

  • Critical Access Hospital
  • Oconto, WI
  • NPI 1356373302
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1133222400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1629051164",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6400 INDUSTRIAL LOOP",
            "city": "GREENDALE",
            "state": "WI",
            "postal_code": "531292452",
            "telephone_number": "414-423-4100",
            "fax_number": "414-423-4134"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "744 S WEBSTER AVE",
            "city": "GREEN BAY",
            "state": "WI",
            "postal_code": "543013505",
            "telephone_number": "920-433-3500",
            "fax_number": "920-433-7932"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HOYER",
        "first_name": "DAVID",
        "middle_name": "J",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-11-29",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "WI",
            "license": "43603-020",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "34215900",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Howe Community Resource Center
• Howe Dental Room
• Kathleen Ruth Howe, PHARMACIST
• Christopher E Howson, M.D.
• Krysten Hoy
• Kathleen J Hren, RD
• Kai Huang, M.D.
• Gregory N Hubertus, OD
• Dennis Michael Hudson, MD
• Paul A Hudson, MD

• Emergency Medicine Physician in Green Bay, WI
• Providers in Green Bay, WI by specialty
• Emergency Medicine Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.