Warren R. Dunn, MD

Primary specialty

Orthopaedic Surgery PhysicianTaxonomy code 207X00000X

License

61118 Issued in WI

Practice address

3400 Ministry Pkwy
Weston, WI 54476-5220

Phone

(715) 847-3542

NPI assigned

Oct 9, 2006

Last updated

Jan 23, 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 3

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in WI, TX2 enrollments

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 2

Specialty

Sports MedicineAlso: Orthopedic Surgery

Education

University of Florida College of Medicine, 1997

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

Practice addresses (Care Compare)

Hospital & facility affiliations

• Marshfield Medical Center - Weston Hospital, Weston, WI, CCN 520202
• Marshfield Medical Center - Minocqua Hospital, Minocqua, WI, CCN 520212
• Marshfield Medical Center Hospital, Marshfield, WI, CCN 520037
• Flambeau Hospital Hospital, Park Falls, WI, CCN 521325

Merit-based Incentive Payment System (MIPS)

Final score

80.58 of 100Reported as group

Quality

55.5

Promoting interoperability

100

Improvement activities

40

Cost

71.46

Medicare enrollment (NPD)

Not enrolled

HHS exclusion list flag

CMS’s directory marks this NPI as on an HHS exclusion list; no matching OIG record was found. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: him@marshfieldclinichealthsystem.cernerdirect.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.

• Beaver Dam Community Hospitals Inc

  dba Marshfield Medical Center - Beaver Dam Professional Services

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

  dba MMC - Park Falls Outreach Services

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

  dba Marshfield Medical Center - Park Falls

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

  dba Marshfield Medical Center - Rice Lake Professional Services

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

  dba Marshfield Clinic Florida Teleradiology/Telehealth

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

  dba Marshfield Medical Center

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

  dba Marshfield Medical Center - Ladysmith

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

  dba Marshfield Medical Center - Neillsville

  • Critical Access Hospital
  • Neillsville, WI
  • NPI 1346239373
  Medicare reassignment NPD
• Fondren Orthopedic Group L.L.P.

  • Orthopaedic Surgery Physician
  • Houston, TX
  • NPI 1609830595
  Medicare reassignment NPD
• Beaver Dam Community Hospitals Inc

  dba Hillside Unit Pharmacy (DME)

  • Pharmacy
  • Beaver Dam, WI
  • NPI 1295771780
  NPD
• Lakeview Medical Center Inc of Rice Lake

  dba Marshfield Medical Center - Rice Lake Home Health

  • Home Health Agency
  • Rice Lake, WI
  • NPI 1326139049
  NPD
• MCHS Hospitals Inc

  dba Marshfield Medical Center - River Region Prof Svcs

  • Clinic/Center
  • Stevens Point, WI
  • NPI 1467119784
  NPD

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

• Flambeau Hospital Inc

  dba Marshfield Medical Center - Park Falls

  • Critical Access Hospital
  • Park Falls, WI
  • NPI 1700963048
  Care Compare affiliation
• MCHS Hospitals Inc

  dba Marshfield Medical Center - Minocqua

  • Rural Acute Care Hospital
  • Minocqua, WI
  • NPI 1376197665
  Care Compare affiliation
• MCHS Hospitals Inc

  dba Marshfield Medical Center - Weston

  • General Acute Care Hospital
  • Weston, WI
  • NPI 1902437650
  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": "1160352000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769126400000",
    "number": "1063509180",
    "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": "3400 MINISTRY PKWY",
            "city": "WESTON",
            "state": "WI",
            "postal_code": "544765220",
            "telephone_number": "715-847-3542"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "7401 Main St",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770304509",
            "country_code": "US",
            "telephone_number": "713-799-2300",
            "fax_number": "713-794-3395",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DUNN",
        "first_name": "WARREN",
        "middle_name": "R.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-10-09",
        "last_updated": "2026-01-23",
        "certification_date": "2026-01-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "WI",
            "license": "61118",
            "primary": true
        },
        {
            "code": "207XX0005X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery, Sports Medicine",
            "state": "TX",
            "license": "S5363",
            "primary": false
        },
        {
            "code": "207XX0005X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery, Sports Medicine",
            "state": "WI",
            "license": "61118-20",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "him@marshfieldclinichealthsystem.cernerdirect.com",
            "affiliation": "N",
            "address_1": "3400 Ministry Pkwy",
            "city": "Weston",
            "state": "WI",
            "country_code": "US",
            "postal_code": "544765220",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Dr. David Macintyre Consulting, LLC
• Reva R Draeger, D.C.
• Eric E Drewek, PT
• DRG Clinical, SC (Weston Psychiatric)
• Addison Ross Dunham, DDS
• Glenn Dym, M.D.
• Mark D Earll, MD
• Patrick Gordon Earll, PAC
• Awad A El-Magbri, MD
• Jessica M Engel, NP

• Orthopaedic Surgery Physician in Weston, WI
• Providers in Weston, WI by specialty
• Orthopaedic Surgery Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 23, 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.