Individual provider Active NPI

Meg Duffield

  • Hospitalist Physician
  • Oshkosh, WI
National Provider Identifier
1023708385
Registry record updated Sep 8, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
81910 Issued in WI
Practice address
855 N Westhaven Dr
Oshkosh, WI 54904-7668
Phone
(920) 303-8700
Fax
(920) 456-7601
NPI assigned
May 10, 2023
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 8, 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 81910 WI Primary
Family Medicine Physician 207Q00000X 81910-21 WI

Addresses

Primary practice location

855 N Westhaven Dr
Oshkosh, WI 54904-7668

Mailing address

PO Box 735044
Chicago, IL 60673-5044
Phone (800) 326-2250

Other identifiers 1

IdentifierTypeStateIssuer
100380637MedicaidWI

Electronic endpoints 3

TypeEndpointUseAffiliation
Direct Messaging Address mduffield372389@direct.myadvocateaurora.org Direct
CONNECT URL https://esmd.abilitynetwork.com:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service Other Ability Network
FHIR URL https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file
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.

Care Compare profile

Medicare Care Compare
Specialty
HospitalistAlso: Family Practice
Education
At Still University of Health Sciences, College of Osteo Med, Kirksville, 2023
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

PO Box
Chicago, IL 60673

PO Box
Suite 735044
Chicago, IL 60673-5044

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
81910-21WIMDFamily Medicine Physician

NPI Registry JSON

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

{
    "created_epoch": "1683676800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788825600000",
    "number": "1023708385",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 735044",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606735044",
            "telephone_number": "800-326-2250"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "855 N WESTHAVEN DR",
            "city": "OSHKOSH",
            "state": "WI",
            "postal_code": "549047668",
            "telephone_number": "920-303-8700",
            "fax_number": "920-456-7601"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DUFFIELD",
        "first_name": "MEG",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-05-10",
        "last_updated": "2026-09-08",
        "certification_date": "2026-09-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "WI",
            "license": "81910",
            "primary": true
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "WI",
            "license": "81910-21",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100380637",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mduffield372389@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "855 N Westhaven Dr",
            "city": "Oshkosh",
            "state": "WI",
            "country_code": "US",
            "postal_code": "549047668",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "CONNECT",
            "endpointTypeDescription": "CONNECT URL",
            "endpoint": "https://esmd.abilitynetwork.com:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service",
            "affiliation": "Y",
            "endpointDescription": "2.16.840.1.113883.3.667.2",
            "affiliationName": "Ability Network",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "CMS esMD eMDR",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "64 S Price Rd",
            "city": "Brownsville",
            "state": "TX",
            "country_code": "US",
            "postal_code": "785212459",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "855 N Westhaven Dr",
            "city": "Oshkosh",
            "state": "WI",
            "country_code": "US",
            "postal_code": "549047668",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Oshkosh, WI

Sources for this page

Verify at the official NPI Registry.