Brian M Brotz, MD

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

License

34208020 Issued in WI

Practice address

1000 N Oak Ave
Marshfield, WI 54449-5702

Phone

(715) 387-5511

NPI assigned

Jun 24, 2006

Last updated

Apr 6, 2026By the provider in NPPES

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 8

Electronic endpoints 2

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

Anesthesiology

Education

Other, 1985

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

MCHS Hospitals IncGroup PAC ID 5698071173, shared by 28 NPIs, 1,195 clinicians

Agnesian Healthcare IncGroup PAC ID 1658289624, 392 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• SSM Health St Agnes Hospital-Fond Du Lac Hospital, Fond Du Lac, WI, CCN 520088
• Marshfield Medical Center Hospital, Marshfield, WI, CCN 520037

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: bbrotz512034@direct-ehr-ssmhc.com

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.

• Agnesian Healthcare, Inc

  dba SSM Health St Agnes Hospital Fond Du Lac

  • General Acute Care Hospital
  • Fond Du Lac, WI
  • NPI 1346228541
  Medicare reassignment Care Compare group NPD
• Columbia St. Mary's Hospital Milwaukee, Inc.

  dba Ascension Columbia St Mary's Hospital Milwaukee

  • Anesthesiology Physician
  • Glendale, WI
  • NPI 1073832218
  Medicare reassignment NPD
• The Medical College of Wisconsin, Inc.

  • Internal Medicine Physician
  • Milwaukee, WI
  • NPI 1699720086

  Anesthesiology

  Medicare reassignment NPD
• Ascension Medical Group-Southeast Wisconsin Inc

  dba Ascension Medical Group

  • Internal Medicine Physician
  • Glendale, WI
  • NPI 1609881077
  Medicare reassignment
• Beaver Dam Community Hospitals Inc

  dba Marshfield Medical Center - Beaver Dam Professional Services

  • Clinic/Center
  • Beaver Dam, WI
  • NPI 1972188555
  Medicare reassignment
• Flambeau Hospital Inc

  dba MMC - Park Falls Outreach Services

  • Clinic/Center
  • Park Falls, WI
  • NPI 1194317966
  Medicare reassignment
• Flambeau Hospital Inc

  dba Marshfield Medical Center - Park Falls

  • Critical Access Hospital
  • Park Falls, WI
  • NPI 1700963048
  Medicare reassignment
• Lakeview Medical Center Inc of Rice Lake

  dba Marshfield Medical Center - Rice Lake Professional Services

  • Clinic/Center
  • Rice Lake, WI
  • NPI 1093201832
  Medicare reassignment
• Marshfield Clinic Inc

  dba Marshfield Clinic Florida Teleradiology/Telehealth

  • Clinic/Center
  • Marshfield, WI
  • NPI 1952347981
  Medicare reassignment
• MCHS Hospitals Inc

  dba Marshfield Medical Center

  • Clinic/Center
  • Marshfield, WI
  • NPI 1093221434
  Medicare reassignment
• MCHS Hospitals Inc

  dba Marshfield Medical Center - Ladysmith

  • Critical Access Hospital
  • Ladysmith, WI
  • NPI 1952890873
  Medicare reassignment
• Memorial Hospital Inc

  dba Marshfield Medical Center - Neillsville

  • Critical Access Hospital
  • Neillsville, WI
  • NPI 1346239373
  Medicare reassignment

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

• Agnesian Healthcare, Inc

  dba SSM Health St Agnes Hospital Fond Du Lac

  • General Acute Care Hospital
  • Fond Du Lac, WI
  • NPI 1346228541
  Care Compare affiliation
• MCHS Hospitals Inc

  dba Marshfield Medical Center

  • Rural Acute Care Hospital
  • Marshfield, WI
  • NPI 1942749387
  Care Compare affiliation

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

{
    "created_epoch": "1151107200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775433600000",
    "number": "1427084029",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1000 N OAK AVE",
            "city": "MARSHFIELD",
            "state": "WI",
            "postal_code": "544495703",
            "telephone_number": "715-387-5511"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1000 N OAK AVE",
            "city": "MARSHFIELD",
            "state": "WI",
            "postal_code": "544495702",
            "telephone_number": "715-387-5511"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "425 Pine Ridge Blvd",
            "address_2": "Suite 211",
            "address_purpose": "LOCATION",
            "city": "Wausau",
            "state": "WI",
            "postal_code": "544014123",
            "country_code": "US",
            "telephone_number": "715-845-5505",
            "fax_number": "715-848-2884",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BROTZ",
        "first_name": "BRIAN",
        "middle_name": "M",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-24",
        "last_updated": "2026-04-06",
        "certification_date": "2026-04-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "WI",
            "license": "34208020",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "WPS",
            "identifier": "BROTZ",
            "state": "WI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "ASSOCIATES FOR HEALTHCARE",
            "identifier": "391330887",
            "state": "WI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "SECURITY HEALTH PLAN",
            "identifier": "40758",
            "state": "WI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "SECURITY HEALTH MEDICAID",
            "identifier": "40758",
            "state": "WI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HUMANA GOLD MEDICARE",
            "identifier": "002139110",
            "state": "WI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MANAGED HEALTH CARE",
            "identifier": "31933300",
            "state": "WI"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "31933300",
            "state": "WI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE",
            "identifier": "P00084315",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "him@marshfieldclinichealthsystem.cernerdirect.com",
            "affiliation": "N",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "address_1": "1000 N Oak Ave",
            "city": "Marshfield",
            "state": "WI",
            "country_code": "US",
            "postal_code": "544495702",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "bbrotz91077@direct.ascension.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "COA/CCD/TXT",
            "address_1": "2301 N Lake Dr",
            "city": "Milwaukee",
            "state": "WI",
            "country_code": "US",
            "postal_code": "532114508",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Dean Brix, PT
• Jaclynn Brock, LMFT
• Tracy Brock, APRN
• Tom Brosnahan, PA
• Sara Lee Brost, MS CCC SLP
• Chris M Brown, COTA
• Michelle Ellen Brown
• Paul E Bruce, DDS
• Andrew J Brummond, PA
• Danielle Brusky, LPC

• Anesthesiology Physician in Marshfield, WI
• Providers in Marshfield, WI by specialty
• Anesthesiology Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 6, 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.