Organization Active NPI

Oregon ASC Company, LLC

  • Ambulatory Surgical Clinic/Center
  • Oshkosh, WI
National Provider Identifier
1124984901
Registry record updated Jan 21, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Ambulatory Surgical Clinic/CenterTaxonomy code 261QA1903X
Legal business name
OREGON ASC COMPANY, LLC
Practice address
250 West 6TH Avenue
Suite 100
Oshkosh, WI 54902
Phone
(920) 651-8200
NPI assigned
Dec 24, 2025
Organization subpart
Yes
Parent organization
THEDACARE REGIONAL MEDICAL CENTER - APPLETON INC.As reported in NPPES

NPPES NPI Registry

Updated by the provider on Jan 21, 2026

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

Authorized official

Name
William Flett
Title
Cfo
Phone
(920) 454-4013

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Ambulatory Surgical Clinic/Center 261QA1903X Primary

Addresses

Primary practice location

250 West 6TH Avenue
Suite 100
Oshkosh, WI 54902

Mailing address

250 W 6TH Ave Ste 100
Oshkosh, WI 54902-5910
Phone (920) 651-8200

Other names 1

  • ThedaCare Oshkosh Surgery Center Doing business as

Laboratory certificates & supplier records

Derived by NPIMap

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

CLIA numberLaboratoryCertificateExpires
52D2336296Oregon ASC Company, LLC250 West 6TH Ave, #100, Oshkosh, WI 54902Certificate of waiverDec 29, 2027

National Provider Directory

National Provider Directory
Part of
Appleton Medical Center

Member of 2

Organizations this organization is a member of, according to the National Provider Directory.

Locations

250 W 6th Ave
#100
Oshkosh, WI 54902
Phone (920) 651-8200

Practitioners & affiliated clinicians

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1766534400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1768953600000",
    "number": "1124984901",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "250 W 6TH AVE STE 100",
            "city": "OSHKOSH",
            "state": "WI",
            "postal_code": "549025910",
            "telephone_number": "920-651-8200",
            "fax_number": "920-831-6104"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "250 WEST 6TH AVENUE",
            "address_2": "SUITE 100",
            "city": "OSHKOSH",
            "state": "WI",
            "postal_code": "54902",
            "telephone_number": "920-651-8200"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "OREGON ASC COMPANY, LLC",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "THEDACARE REGIONAL MEDICAL CENTER - APPLETON INC.",
        "enumeration_date": "2025-12-24",
        "last_updated": "2026-01-21",
        "certification_date": "2026-01-21",
        "status": "A",
        "authorized_official_last_name": "FLETT",
        "authorized_official_first_name": "WILLIAM",
        "authorized_official_title_or_position": "CFO",
        "authorized_official_telephone_number": "920-454-4013"
    },
    "taxonomies": [
        {
            "code": "261QA1903X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Ambulatory Surgical",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "ThedaCare Oshkosh Surgery Center",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Oshkosh, WI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 21, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.