Individual provider Active NPI

Richard L Kiefer, MD

  • Surgery Physician
  • Oshkosh, WI
National Provider Identifier
1437266962
Registry record updated Nov 10, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgery PhysicianTaxonomy code 208600000X
License
42862 Issued in WI
Practice address
855 N Westhaven Dr
Oshkosh, WI 54904
Phone
(920) 303-8700
Fax
(920) 303-4128
NPI assigned
Aug 23, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 10, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Surgery Physician 208600000X 36-091937 IL
Surgery Physician 208600000X 42862 WI Primary

Addresses

Primary practice location

855 N Westhaven Dr
Oshkosh, WI 54904

Mailing address

PO Box 735044
Chicago, IL 60673-5044
Phone (800) 325-2250

Other identifiers 1

IdentifierTypeStateIssuer
32170800MedicaidWI

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address rkiefer43783@direct.myadvocateaurora.org Direct
FHIR URL https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/

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
I20060331000135 WI Practitioner - General Surgery 1951319045 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
General Surgery
Education
Saint Louis University School of Medicine, 1987
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Aurora Medical Group, Inc.Group PAC ID 6709794258, 3,764 clinicians

Practice addresses (Care Compare)

1020 N 12TH St
Milwaukee, WI 53233-1308
Phone (414) 219-3056

855 N Westhaven Dr
Oshkosh, WI 54904-7668
Phone (920) 303-8700

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Mastectomy1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
36-091937ILMDSurgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Aurora Medical Group, Inc. CurrentSince Apr 26, 2001 Accepting new patients
Aurora Medical Group, Inc. CurrentSince Apr 26, 2001 Accepting new patients
Aurora Medical Group, Inc. Current Accepting new patients
Aurora Medical Group, Inc. Past Accepting new patients

Locations

12500 W Bluemound Rd
Elm Grove, WI 53122
Phone (262) 780-3434

2733 S Ridge Rd
Green Bay, WI 54304
Phone (920) 497-6200

2845 Greenbrier Rd
#4
Green Bay, WI 54311
Phone (920) 288-8400

2845 Greenbrier Rd
Fl 4
Green Bay, WI 54311
Phone (920) 288-8400

3301 W Forest Home Ave
Milwaukee, WI 53215
Phone (414) 389-2233

1020 N 12th St
Milwaukee, WI 53233
Phone (414) 219-3056

855 N Westhaven Dr
Oshkosh, WI 54904
Phone (920) 451-5643

620 Warren St
Redgranite, WI 54970
Phone (920) 566-0620

Interoperability endpoints

  • Direct secure messaging: rkiefer43783@direct.myadvocateaurora.org

Organizations & group practices 4

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.

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": "1156291200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762732800000",
    "number": "1437266962",
    "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": "800-325-2250"
        },
        {
            "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": "54904",
            "telephone_number": "920-303-8700",
            "fax_number": "920-303-4128"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KIEFER",
        "first_name": "RICHARD",
        "middle_name": "L",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-23",
        "last_updated": "2025-11-10",
        "certification_date": "2025-11-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "IL",
            "license": "36-091937",
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "WI",
            "license": "42862",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "32170800",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "rkiefer43783@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "855 N Westhaven Dr",
            "city": "Oshkosh",
            "state": "WI",
            "country_code": "US",
            "postal_code": "54904",
            "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": "54904",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Oshkosh, WI

Sources for this page

Verify at the official NPI Registry.