James R Holmberg, M.D.

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

29012-020 Issued in WI

Practice address

945 N 12TH St
Milwaukee, WI 53233-1305

Phone

(414) 219-7880

NPI assigned

Nov 25, 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

Electronic endpoints 2

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

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.

• Aurora Medical Group, Inc.

  • Durable Medical Equipment & Medical Supplies
  • Union Grove, WI
  • NPI 1245440601
  NPD (past)
• Green Bay Emergency Medicine Services S.C.

  • Emergency Medicine Physician
  • Green Bay, WI
  • NPI 1366424111
  NPD (past)

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

{
    "created_epoch": "1132876800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1744156800000",
    "number": "1902889736",
    "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": "945 N 12TH ST",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532331305",
            "telephone_number": "414-219-7880"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HOLMBERG",
        "first_name": "JAMES",
        "middle_name": "R",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-11-25",
        "last_updated": "2025-04-09",
        "certification_date": "2025-04-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "WI",
            "license": "29012-020",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "31405000",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "jholmberg14937@direct.myadvocateaurora.org",
            "affiliation": "N",
            "address_1": "252 McHenry St",
            "address_2": "Emergency Medicine",
            "city": "Burlington",
            "state": "WI",
            "country_code": "US",
            "postal_code": "531051828",
            "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": "252 McHenry St",
            "address_2": "Emergency Medicine",
            "city": "Burlington",
            "state": "WI",
            "country_code": "US",
            "postal_code": "531051828",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Hollywood Prenatal Care LLC
• Samantha Lynn Holm, BA
• Cheryl A Holma, OTR
• Carolyn Holman, MFT
• Adam J Holmbeck, APNP
• Holmes in Transit LLC
• Holmes Prenatal Care LLC
• Jessica H Holmes, OTR
• Laurie S Holmes
• Lyah Holmes, N.P.

• Emergency Medicine Physician in Milwaukee, WI
• Providers in Milwaukee, 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 Apr 9, 2025; 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.