Dirk M Nuenninghoff, MD

Primary specialty

Rheumatology PhysicianTaxonomy code 207RR0500X

License

45438-020 Issued in WI

Practice address

2977 County Hwy CX
Portage, WI 53901

Phone

(608) 745-3399

NPI assigned

Jun 7, 2006

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

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

Rheumatology

Education

University of Nebraska College of Medicine, 1998

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Dean Health Systems IncGroup PAC ID 7012827983, 1,174 clinicians

University of Wisconsin Medical Foundation IncGroup PAC ID 6608785464, 2,537 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• University of Wi Hospitals & Clinics Authority Hospital, Madison, WI, CCN 520098
• Mile Bluff Medical Center Hospital, Mauston, WI, CCN 520109
• SSM Health St Mary's Hospital - Madison Hospital, Madison, WI, CCN 520083
• Sauk Prairie Hospital Hospital, Prairie Du Sac, WI, CCN 520095
• Aspirus Divine Savior Hospital Hospital, Portage, WI, CCN 520041

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: dnuenninghoff259697@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 and National Provider Directory roles.

• University of Wisconsin Medical Foundation, Inc

  • Multi-Specialty Clinic/Center
  • Middleton, WI
  • NPI 1598784555
  Medicare reassignment Care Compare group NPD
• Dean Health Systems, Inc

  dba SSM Health Dean Medical Group

  • Allergy & Immunology Physician
  • Madison, WI
  • NPI 1053358846
  Medicare reassignment Care Compare group
• University of Wisconsin Medical Foundation, Inc

  • Health Educator
  • Madison, WI
  • NPI 1487414082
  NPD
• University of Wisconsin Medical Foundation Inc

  • Durable Medical Equipment & Medical Supplies
  • Cross Plains, WI
  • NPI 1174583363
  NPD (past)

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

• Divine Savior Healthcare, Inc.

  dba Aspirus Divine Savior Hospital

  • General Acute Care Hospital
  • Portage, WI
  • NPI 1124083894
  Care Compare affiliation
• Mile Bluff Medical Center Inc

  dba Mile Bluff Urgent Care

  • Urgent Care Clinic/Center
  • Mauston, WI
  • NPI 1437958683

  Hospital

  Care Compare affiliation
• Mile Bluff Medical Center Inc

  dba Mile Bluff Hospital

  • General Acute Care Hospital
  • Mauston, WI
  • NPI 1568487411
  Care Compare affiliation
• Sauk Prairie Healthcare Inc

  • General Acute Care Hospital
  • Prairie Du Sac, WI
  • NPI 1861466153
  Care Compare affiliation
• SSM Health Care of Wisconsin, Inc.

  dba SSM Health St. Mary's Hospital-Madison

  • General Acute Care Hospital
  • Madison, WI
  • NPI 1184621211
  Care Compare affiliation
• University of Wisconsin Hospitals and Clinics Authority

  dba University of Wisconsin Hospital and Clinics

  • General Acute Care Hospital
  • Madison, WI
  • NPI 1922043744
  Care Compare affiliation

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

{
    "created_epoch": "1149638400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754265600000",
    "number": "1538109053",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7974 UW HEALTH CT",
            "city": "MIDDLETON",
            "state": "WI",
            "postal_code": "535625531"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2977 COUNTY HWY CX",
            "city": "PORTAGE",
            "state": "WI",
            "postal_code": "53901",
            "telephone_number": "608-745-3399"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1821 S Stoughton Rd",
            "address_purpose": "LOCATION",
            "city": "Madison",
            "state": "WI",
            "postal_code": "537162257",
            "country_code": "US",
            "telephone_number": "608-260-6000",
            "fax_number": "608-260-6855",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NUENNINGHOFF",
        "first_name": "DIRK",
        "middle_name": "M",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-07",
        "last_updated": "2025-08-04",
        "certification_date": "2025-07-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "WI",
            "license": "45438-020",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1538109053",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "dnuenninghoff259697@direct-ehr-ssmhc.com",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "dnuenninghoff259697@direct-ehr-ssmhc.com",
            "address_1": "1313 Fish Hatchery Rd",
            "city": "Madison",
            "state": "WI",
            "country_code": "US",
            "postal_code": "537151911",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://fhir.ssmhc.com/fhir/api/FHIR/DSTU2/",
            "affiliation": "N",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "FHIR API",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CCD",
            "address_1": "1313 Fish Hatchery Rd",
            "city": "Madison",
            "state": "WI",
            "country_code": "US",
            "postal_code": "537151911",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Tiala Shaina Kawela Nicely, BA
• Kay M Nigbor, COTA
• Sarah Lynn Niles, M.S.S.W. CAPSW
• Laura L Noonan, APNP
• Northwoods Inc of Wisconsin
• Kathleen M O'Reilly, P.T.
• Kenneth K Oh, MD
• Amy Olson
• Matthew Richard Olson, DDS
• Amy Jo Orlowski, P.T.A.

• Rheumatology Physician in Portage, WI
• Providers in Portage, WI by specialty
• Rheumatology Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 4, 2025; 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.