Olivia Carol Letter

Primary specialty

Certified Registered Nurse AnesthetistTaxonomy code 367500000X

License

161098 Issued in WI

Practice address

800 Algoma Blvd
Oshkosh, WI 54901-8610

Phone

(920) 424-1077

NPI assigned

Oct 1, 2024

Last updated

May 26, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in WI

Enrollment records 1

Specialty

Certified Registered Nurse Anesthetist (Crna)

Education

Other, 2026

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Green Bay Anesthesia Assoc. SCGroup PAC ID 4486613858, 70 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• St Marys Hospital Medical Ctr Hospital, Green Bay, WI, CCN 520097

Medicare enrollment (NPD)

Enrolled

State licenses

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.

• Green Bay Anesthesia Assoc. SC

  • Anesthesiology Physician
  • Green Bay, WI
  • NPI 1023065836
  Medicare reassignment Care Compare group

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• St Mary's Hospital Medical Center of Green Bay Inc.-Hospital Sisters

  • General Acute Care Hospital
  • Green Bay, WI
  • NPI 1649246877
  Care Compare affiliation

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

{
    "created_epoch": "1727740800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779753600000",
    "number": "1598583197",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2396 CROWN POINTE BLVD",
            "city": "SUAMICO",
            "state": "WI",
            "postal_code": "541738083",
            "telephone_number": "920-412-0187"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "800 ALGOMA BLVD",
            "city": "OSHKOSH",
            "state": "WI",
            "postal_code": "549018610",
            "telephone_number": "920-424-1077"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LETTER",
        "first_name": "OLIVIA",
        "middle_name": "CAROL",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2024-10-01",
        "last_updated": "2026-05-26",
        "certification_date": "2026-05-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "WI",
            "license": "161098",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Angela Lemerande, APRN
• Kailey Lynae Lemon, CNA
• John M Leschke, MD
• Joseph R Leschke, DO
• George M Lessmann, DO
• Sara Beth Lichterman, LPC, NCC
• Jordon M Liebert
• Abraham Joseph Liebeskind, MD
• Jarrett Craig Lieder, OD
• Bayley C Lind, MSW

• Certified Registered Nurse Anesthetist in Oshkosh, WI
• Providers in Oshkosh, WI by specialty
• Certified Registered Nurse Anesthetist in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 26, 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.