Ambulatory Surgical Center, LLC

Primary specialty

Ambulatory Surgical Clinic/CenterTaxonomy code 261QA1903X

Legal business name

AMBULATORY SURGICAL CENTER, LLC

Practice address

2120 S Washburn St
Oshkosh, WI 54904

Phone

(920) 236-3550

Fax

(920) 238-3169

NPI assigned

Jul 25, 2006

Last updated

Feb 9, 2026By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Dr. Eric Larson, M.D.NPI 1275513467

Title

Medical Director

Phone

(920) 236-3550

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in WI

Enrollment records 1

Listed as

Ambulatory Surgical Center LLCCCN 52C0001034

Medicare certification status

ActiveFrom the Provider of Services file

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

CLIA laboratory certificates

Member of 1

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

• Eye Clinic of the Fox Valley SC

  • Eyewear Supplier
  • Neenah, WI
  • NPI 1699827394

  Member Of

  NPD member

Locations

Practitioners 2

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Eric M Larson, M.D.

  • Ophthalmology Physician
  • Oshkosh, WI
  • NPI 1275513467
  NPD Authorized official
• Meisha Raven, D.O.

  • Ophthalmology Physician
  • Milwaukee, WI
  • NPI 1073975322
  NPD

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

{
    "created_epoch": "1153785600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1770595200000",
    "number": "1891717823",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2120 S WASHBURN ST",
            "city": "OSHKOSH",
            "state": "WI",
            "postal_code": "54904",
            "telephone_number": "920-236-3550",
            "fax_number": "920-238-3169"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2120 S WASHBURN ST",
            "city": "OSHKOSH",
            "state": "WI",
            "postal_code": "54904",
            "telephone_number": "920-236-3550",
            "fax_number": "920-238-3169"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "AMBULATORY SURGICAL CENTER, LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-07-25",
        "last_updated": "2026-02-09",
        "certification_date": "2026-02-09",
        "status": "A",
        "authorized_official_last_name": "LARSON",
        "authorized_official_first_name": "ERIC",
        "authorized_official_title_or_position": "MEDICAL DIRECTOR",
        "authorized_official_telephone_number": "920-236-3550",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "M.D."
    },
    "taxonomies": [
        {
            "code": "261QA1903X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Ambulatory Surgical",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Thomas S Altepeter, PH.D.
• Peter Altschwager
• Ammar Alzoubi, MD
• Abby Amacher, BCBA
• Brittany L Aman, CRNA
• American Current Care P.a. (Concentra Urgent Care)
• Diane P Ames, APNP
• Richard E Ames
• Ryan P Ames, OD
• Shakellah Amini, M.D.

• Ambulatory Surgical Clinic/Center in Oshkosh, WI
• Providers in Oshkosh, WI by specialty
• Ambulatory Surgical Clinic/Center in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 9, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• 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.