NPIMap

Individual provider Active NPI

Ann N Hudson, MD

  • Internal Medicine Physician
  • Eau Claire, WI
National Provider Identifier
1194756460
Registry record updated Oct 7, 2020
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
50907 Issued in WI
Practice address
1400 Bellinger St
Eau Claire, WI 54703-5222
Phone
(715) 838-5222
NPI assigned
Jul 5, 2006
Last updated
Oct 7, 2020By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 7, 2020

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 50907 WI Primary

Addresses

Primary practice location

1400 Bellinger St
Eau Claire, WI 54703-5222

Mailing address

PO Box 1510
Eau Claire, WI 54702-1510
Phone (715) 838-5222

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address ahudson23592@ehrdirect.mayoclinicmsg.org

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
I20080116000241 WI Practitioner - HospitalistPractitioner - Internal Medicine 5991704892 Reassigns benefits to 7 organizations

Care Compare profile

Medicare Care Compare
Specialty
HospitalistAlso: Internal Medicine
Education
Other, 2002
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Mayo Clinic Health System-Northwest Wisconsin Region IncGroup PAC ID 4385553627, shared by 21 NPIs, 797 clinicians

Practice addresses (Care Compare)

1400 Bellinger St
Eau Claire, WI 54703-5222
Phone (715) 838-5222

800 W Ave S
La Crosse, WI 54601-8806
Phone (608) 785-0940

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
50907WIMDInternal 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 Jan 1, 2017 Accepting new patients
Mayo Clinic Health System-Northwest Wisconsin Region, Inc. CurrentSince Jan 1, 2017 Accepting new patients
Mayo Clinic Health System-Northwest Wisconsin Region, Inc. Current Accepting new patients
Mayo Clinic Health System-Southwest Wisconsin Region, Inc. CurrentSince Feb 27, 2026 Accepting new patients
Mayo Clinic Health System-Northwest Wisconsin Region, Inc. Current Accepting new patients
Mayo Clinic Health System-Southwest Wisconsin Region, Inc. CurrentSince Feb 27, 2026 Accepting new patients
Pasteur Inpatient Physicians Internal Medicine Past Accepting new patients

Locations

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

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

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

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

2409 Stout Rd
Menomonie, WI 54751
Phone (715) 231-3937

Interoperability endpoints

  • Direct secure messaging: ahudson23592@ehrdirect.mayoclinicmsg.org

Organizations & group practices 10

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 4

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": "1152057600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1602028800000",
    "number": "1194756460",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 1510",
            "city": "EAU CLAIRE",
            "state": "WI",
            "postal_code": "547021510",
            "telephone_number": "715-838-5222"
        },
        {
            "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": "HUDSON",
        "first_name": "ANN",
        "middle_name": "N",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-07-05",
        "last_updated": "2020-10-07",
        "certification_date": "2020-10-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "WI",
            "license": "50907",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "ahudson23592@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": []
}

Other providers in Eau Claire, WI

Sources for this page

Verify at the official NPI Registry.