NPIMap

Individual provider Active NPI

Mercedes Elain Miller, MD

  • Family Medicine Physician
  • Onalaska, WI
National Provider Identifier
1548965312
Registry record updated Sep 11, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
85501-20 Issued in WI
Practice address
3111 Gundersen Dr
Onalaska, WI 54650-8447
Phone
(608) 782-7300
NPI assigned
Apr 3, 2023
Last updated
Sep 11, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 11, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X NU
Family Medicine Physician 207Q00000X 85501-20 WI Primary

Addresses

Primary practice location

3111 Gundersen Dr
Onalaska, WI 54650-8447

Mailing address

1836 South Ave
La Crosse, WI 54601-5429
Phone (608) 782-7300

Other practice location 1

1836 South Ave
LA Crosse, WI 54601-5429
Phone (608) 782-7300

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WI
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20260323002437 WI Practitioner - Family Practice 5496116808 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
Medical College of Wisconsin, 2023
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

1910 S Ave
La Crosse, WI 54601-5467
Phone (608) 782-7300

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
85501-20WIMDFamily Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Gundersen Lutheran Medical Center, Inc. Family Medicine Past Accepting new patients

Organizations & group practices 2

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 7

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": "1680480000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789084800000",
    "number": "1548965312",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1836 SOUTH AVE",
            "city": "LA CROSSE",
            "state": "WI",
            "postal_code": "546015429",
            "telephone_number": "608-782-7300"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3111 GUNDERSEN DR",
            "city": "ONALASKA",
            "state": "WI",
            "postal_code": "546508447",
            "telephone_number": "608-782-7300"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1836 South Ave",
            "address_purpose": "LOCATION",
            "city": "LA Crosse",
            "state": "WI",
            "postal_code": "546015429",
            "country_code": "US",
            "telephone_number": "608-782-7300",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MILLER",
        "first_name": "MERCEDES",
        "middle_name": "ELAIN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-04-03",
        "last_updated": "2026-09-11",
        "certification_date": "2026-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "WI",
            "license": "85501-20",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Onalaska, WI

Sources for this page

Verify at the official NPI Registry.