Individual provider Active NPI

Gerald K Bayer, M.D.

  • Medical Oncology Physician
  • Green Bay, WI
National Provider Identifier
1285726729
Registry record updated Jun 29, 2010
On this page

Key facts

NPPES NPI Registry
Primary specialty
Medical Oncology PhysicianTaxonomy code 207RX0202X
License
22282 Issued in WI
Practice address
835 S Van Buren St
Green Bay, WI 54301-3526
Phone
(920) 432-6049
Fax
(920) 884-3271
NPI assigned
Sep 29, 2006
Last updated
Jun 29, 2010By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 29, 2010

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Medical Oncology Physician 207RX0202X 22282 WI Primary
Medical Oncology Physician 207RX0202X 4301051043 MI

Addresses

Primary practice location

835 S Van Buren St
Green Bay, WI 54301-3526

Mailing address

PO Box 13453
Green Bay, WI 54307-3453
Phone (920) 593-3745

Other identifiers 4

IdentifierTypeStateIssuer
101793808MedicaidMI
30278200MedicaidWI
GB051043OtherMIBLUE CROSS BLUE SHIELD MI
900002925OtherRR MEDICARE

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
4301051043MIMDMedical Oncology Physician
22282WIMDMedical Oncology Physician

NPI Registry JSON

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

{
    "created_epoch": "1159488000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1277769600000",
    "number": "1285726729",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 13453",
            "city": "GREEN BAY",
            "state": "WI",
            "postal_code": "543073453",
            "telephone_number": "920-593-3745",
            "fax_number": "920-884-3271"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "835 S VAN BUREN ST",
            "city": "GREEN BAY",
            "state": "WI",
            "postal_code": "543013526",
            "telephone_number": "920-432-6049",
            "fax_number": "920-884-3271"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BAYER",
        "first_name": "GERALD",
        "middle_name": "K",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-09-29",
        "last_updated": "2010-06-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "WI",
            "license": "22282",
            "primary": true
        },
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "MI",
            "license": "4301051043",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "101793808",
            "state": "MI"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "30278200",
            "state": "WI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE CROSS BLUE SHIELD MI",
            "identifier": "GB051043",
            "state": "MI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RR MEDICARE",
            "identifier": "900002925",
            "state": null
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Green Bay, WI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 29, 2010; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.