Individual provider Active NPI

Tracy Marko, MD

  • Emergency Medicine Physician
  • Eau Claire, WI
National Provider Identifier
1104310820
Registry record updated Jun 15, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
75626 Issued in WI
Practice address
1400 Bellinger St
Eau Claire, WI 54703-5222
Phone
(715) 838-5222
NPI assigned
Jun 16, 2018
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 15, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 75626 WI Primary

Addresses

Primary practice location

1400 Bellinger St
Eau Claire, WI 54703-5222

Mailing address

PO Box 860912
Minneapolis, MN 55486-0912
Phone (715) 838-5522

Other names 1

  • Tracy Powell Former name

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address tmarko1518121@ehrdirect.mayoclinicmsg.org

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
I20210819002145 WI Practitioner - Emergency Medicine 7113274762 Reassigns benefits to 7 organizations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
75626WIMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Mayo Clinic Health System-Northwest Wisconsin Region, Inc. Current Accepting new patients
Mayo Clinic Health System-Northwest Wisconsin Region, Inc. CurrentSince Aug 6, 2021 Accepting new patients
Mayo Clinic Health System-Northwest Wisconsin Region, Inc. CurrentSince Aug 6, 2021 Accepting new patients
Mayo Clinic Health System-Northwest Wisconsin Region, Inc. Current Accepting new patients
Mayo Clinic Health System-Northwest Wisconsin Region, Inc. Current Accepting new patients
Mayo Clinic Health System-Northwest Wisconsin Region, Inc. Current Accepting new patients

Locations

200 1st St SW
Rochester, MN 55905
Phone (507) 266-4850

1222 E Woodland Ave
Barron, WI 54812
Phone (715) 537-3166

1501 Thompson St
Bloomer, WI 54724
Phone (715) 568-2000

733 W Clairemont Ave
Eau Claire, WI 54701
Phone (715) 838-3806

1400 Bellinger St
Eau Claire, WI 54703
Phone (715) 838-3311

800 West Ave S
La Crosse, WI 54601
Phone (608) 372-5951

2321 Stout Rd
Menomonie, WI 54751
Phone (715) 235-5531

13025 8th St
Osseo, WI 54758
Phone (715) 597-2575

310 W Main St
Sparta, WI 54656
Phone (608) 269-1700

Organizations & group practices 8

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.

NPI Registry JSON

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

{
    "created_epoch": "1529107200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781481600000",
    "number": "1104310820",
    "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": "715-838-5522"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1400 BELLINGER ST",
            "city": "EAU CLAIRE",
            "state": "WI",
            "postal_code": "547035222",
            "telephone_number": "715-838-5222"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARKO",
        "first_name": "TRACY",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-06-16",
        "last_updated": "2026-06-15",
        "certification_date": "2026-06-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "WI",
            "license": "75626",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "tmarko1518121@ehrdirect.mayoclinicmsg.org",
            "affiliation": "N",
            "address_1": "1400 Bellinger St",
            "city": "Eau Claire",
            "state": "WI",
            "country_code": "US",
            "postal_code": "547035222",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "TRACY",
            "last_name": "POWELL",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Eau Claire, WI

Sources for this page

Verify at the official NPI Registry.