Humayun A Khan, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

34238 Issued in WI

Practice address

733 W Clairemont Ave
Eau Claire, WI 54701-6101

Phone

(715) 838-5222

NPI assigned

Sep 26, 2006

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

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

Internal Medicine

Education

Other, 1986

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 - Eau Claire Hospital, Eau Claire, WI, CCN 520210
• Marshfield Medical Center Hospital, Marshfield, WI, CCN 520037

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: humayun.khan@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

  • Clinic/Center
  • Marshfield, WI
  • NPI 1093221434

  Emergency Medicine

  Medicare reassignment Care Compare group NPD
• Marshfield Clinic Inc

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

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

  Emergency Medicine

  NPD
• MCHS Hospitals Inc

  • 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.

• MCHS Hospitals Inc

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

  • General Acute Care Hospital
  • Eau Claire, WI
  • NPI 1952809816
  Care Compare affiliation

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

{
    "created_epoch": "1159228800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787616000000",
    "number": "1982705505",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 860912",
            "city": "MINNEAPOLIS",
            "state": "MN",
            "postal_code": "554860912",
            "telephone_number": "715-838-5222"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "733 W CLAIREMONT AVE",
            "city": "EAU CLAIRE",
            "state": "WI",
            "postal_code": "547016101",
            "telephone_number": "715-838-5222"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2116 Craig Road",
            "address_purpose": "LOCATION",
            "city": "Eau Claire",
            "state": "WI",
            "postal_code": "54701",
            "country_code": "US",
            "telephone_number": "715-858-4700",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KHAN",
        "first_name": "HUMAYUN",
        "middle_name": "A",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-09-26",
        "last_updated": "2026-08-25",
        "certification_date": "2026-08-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "WI",
            "license": "34238",
            "primary": true
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "WI",
            "license": "34238",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "hkhan2710489@ehrdirect.mayoclinicmsg.org",
            "affiliation": "N",
            "address_1": "733 W Clairemont Ave",
            "city": "EAU CLAIRE",
            "state": "WI",
            "country_code": "US",
            "postal_code": "547016101",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Jacob Keuler, BA
• Samantha K. Kewin, APNP
• Matthew P Keyes, CRNA
• Abdul Moiz Khan, MBBS
• Atif Niaz Khan, M.D
• PA Jai Khang
• Nadir Kharma, MD
• Abd G. Khatib, M.D.
• Michael Jacob Kholov, M.D.
• Brenda Kibola, MD

• Internal Medicine Physician in Eau Claire, WI
• Providers in Eau Claire, WI by specialty
• Internal Medicine Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 25, 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.