Steven Narbut, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

4301516903 Issued in MI

Practice address

1500 E Medical Center Dr
Ann Arbor, MI 48109-5000

Phone

(734) 936-4000

NPI assigned

Jul 18, 2018

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

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

HospitalistAlso: Internal Medicine

Education

Other, 2016

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

MCHS Hospitals IncGroup PAC ID 5698071173, 1,195 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• 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)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: steven.narbut@marshfieldclinichealthsystem.cernerdirect.com
• 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 and National Provider Directory roles.

• MCHS Hospitals Inc

  dba Marshfield Medical Center

  • Clinic/Center
  • Marshfield, WI
  • NPI 1093221434

  Internal Medicine

  Medicare reassignment Care Compare group 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 Eau Claire Professional Services

  • Clinic/Center
  • Eau Claire, WI
  • NPI 1316416035

  Internal Medicine

  NPD
• MCHS Hospitals Inc

  dba Marshfield Medical Center - Eau Claire Cancer Center

  • Durable Medical Equipment & Medical Supplies
  • Eau Claire, WI
  • NPI 1558230847
  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

  • 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": "1531872000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783468800000",
    "number": "1790261238",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3621 S STATE ST",
            "city": "ANN ARBOR",
            "state": "MI",
            "postal_code": "481081633",
            "telephone_number": "734-647-5299"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1500 E MEDICAL CENTER DR",
            "city": "ANN ARBOR",
            "state": "MI",
            "postal_code": "481095000",
            "telephone_number": "734-936-4000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1000 N Oak Ave",
            "address_purpose": "LOCATION",
            "city": "Marshfield",
            "state": "WI",
            "postal_code": "544495703",
            "country_code": "US",
            "telephone_number": "715-387-5511",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "225 Williamson St",
            "address_purpose": "LOCATION",
            "city": "Elizabeth",
            "state": "NJ",
            "postal_code": "072023625",
            "country_code": "US",
            "telephone_number": "908-994-5000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1 Capital Way",
            "address_purpose": "LOCATION",
            "city": "Pennington",
            "state": "NJ",
            "postal_code": "085342520",
            "country_code": "US",
            "telephone_number": "609-303-4000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NARBUT",
        "first_name": "STEVEN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-07-18",
        "last_updated": "2026-07-08",
        "certification_date": "2026-07-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MI",
            "license": "4301516903",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NJ",
            "license": "25MA10605200",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "WI",
            "license": "74861",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "him@marshfieldclinichealthsystem.cernerdirect.com",
            "affiliation": "N",
            "address_1": "1000 N Oak Ave",
            "city": "Marshfield",
            "state": "WI",
            "country_code": "US",
            "postal_code": "544495703",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Candice Napolitano
• Lena Marie Napolitano, MD
• Varsha Naidu Naraharasetty
• Maitreyi Narayan, MD
• Suguna Narayan, MD
• Julia Narge
• Amanda Narkis, MD
• Meaghan Narula, LMSW
• Brian Nasca, M.D.
• Naser N Sukhon MD PC

• Internal Medicine Physician in Ann Arbor, MI
• Providers in Ann Arbor, MI by specialty
• Internal Medicine Physician in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 8, 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.