Individual provider Active NPI

Kanza Mazhar, MD

  • Hospitalist Physician
  • Marshfield, WI
National Provider Identifier
1407588155
Registry record updated May 11, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
83174 Issued in WI
Practice address
1000 N Oak Ave
Marshfield, WI 54449-5703
Phone
(715) 387-5260
NPI assigned
Jun 29, 2022
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 11, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Hospitalist Physician 208M00000X 83174 WI Primary
Internal Medicine Physician 207R00000X 9756-851 WI

Addresses

Primary practice location

1000 N Oak Ave
Marshfield, WI 54449-5703

Mailing address

1000 N Oak Ave
Marshfield, WI 54449-5703
Phone (715) 387-5260

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address him@marshfieldclinichealthsystem.cernerdirect.com Health Information Exchange (HIE)

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20250929001954 WI Practitioner - Hospitalist 0345773792 Reassigns benefits to 9 organizations

Care Compare profile

Medicare Care Compare
Specialty
Hospitalist
Education
Other, 2014
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)

1000 N Oak Ave
Marshfield, WI 54449-5703
Phone (715) 387-5511

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
9756-851WIMDInternal Medicine Physician
83174WIMDHospitalist Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Flambeau Hospital Inc Current Accepting new patients
Flambeau Hospital Inc CurrentSince Oct 6, 2025 Accepting new patients
MCHS Hospitals Inc Current Accepting new patients
MCHS Hospitals Inc Internal Medicine Current Accepting new patients
Memorial Hospital Inc CurrentSince Oct 6, 2025 Accepting new patients
Beaver Dam Community Hospitals Inc CurrentSince Oct 6, 2025 Accepting new patients
Lakeview Medical Center Inc of Rice Lake CurrentSince Oct 6, 2025 Accepting new patients
Beaver Dam Community Hospitals Inc CurrentSince Oct 6, 2025 Accepting new patients
Marshfield Clinic Inc CurrentSince Oct 6, 2025 Accepting new patients
MCHS Hospitals Inc CurrentSince Oct 6, 2025 Accepting new patients
MCHS Hospitals Inc Internal Medicine CurrentSince Oct 6, 2025 Accepting new patients
Memorial Hospital Inc CurrentSince Oct 6, 2025 Accepting new patients
Lakeview Medical Center Inc of Rice Lake CurrentSince Oct 6, 2025 Accepting new patients

Locations

705 S University Ave
Beaver Dam, WI 53916
Phone (920) 885-6090

3501 Golf Rd
Eau Claire, WI 54701
Phone (715) 858-4200

1000 N Oak Ave
Marshfield, WI 54449
Phone (715) 387-5111

1102 S Center Ave
Merrill, WI 54452
Phone (715) 536-3399

N3708 River Ave
Neillsville, WI 54456
Phone (715) 743-3101

1700 W Stout St
Rice Lake, WI 54868
Phone (715) 236-6133

Interoperability endpoints

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

Organizations & group practices 13

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.

View all 13

Hospital & facility affiliations 1

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

NPI Registry JSON

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

{
    "created_epoch": "1656460800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778457600000",
    "number": "1407588155",
    "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": "715-387-5260"
        },
        {
            "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": "544495703",
            "telephone_number": "715-387-5260"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAZHAR",
        "first_name": "KANZA",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-06-29",
        "last_updated": "2026-05-11",
        "certification_date": "2026-05-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "WI",
            "license": "83174",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "WI",
            "license": "9756-851",
            "primary": false
        }
    ],
    "identifiers": [],
    "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": "544495703",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Marshfield, WI

Sources for this page

Verify at the official NPI Registry.