Individual provider Active NPI

Sierra R Milosch, OT

  • Occupational Therapist
  • Green Bay, WI
National Provider Identifier
1538792379
Registry record updated Feb 23, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Occupational TherapistTaxonomy code 225X00000X
License
5477-26 Issued in WI
Practice address
1160 Kepler Dr
Green Bay, WI 54311-8321
Phone
(920) 288-5500
NPI assigned
Feb 20, 2020
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 23, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Occupational Therapist 225X00000X 5477-26 WI Primary

Addresses

Primary practice location

1160 Kepler Dr
Green Bay, WI 54311-8321

Mailing address

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

Other practice location 1

2845 Greenbrier Rd
Green Bay, WI 54311-6519
Phone (920) 288-3509

Other identifiers 1

IdentifierTypeStateIssuer
100097538MedicaidWI

Electronic endpoints 2

TypeEndpointUseAffiliation
FHIR URL https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/
Direct Messaging Address smilosch92269@direct.myadvocateaurora.org Direct

Medicare participation

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

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
5477-26WIMDOccupational Therapist

Interoperability endpoints

  • Direct secure messaging: smilosch92269@direct.myadvocateaurora.org

NPI Registry JSON

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

{
    "created_epoch": "1582156800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771804800000",
    "number": "1538792379",
    "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": "1160 KEPLER DR",
            "city": "GREEN BAY",
            "state": "WI",
            "postal_code": "543118321",
            "telephone_number": "920-288-5500"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2845 Greenbrier Rd",
            "address_purpose": "LOCATION",
            "city": "Green Bay",
            "state": "WI",
            "postal_code": "543116519",
            "country_code": "US",
            "telephone_number": "920-288-3509",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MILOSCH",
        "first_name": "SIERRA",
        "middle_name": "R",
        "credential": "OT",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-02-20",
        "last_updated": "2026-02-23",
        "certification_date": "2026-02-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225X00000X",
            "taxonomy_group": "",
            "desc": "Occupational Therapist",
            "state": "WI",
            "license": "5477-26",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100097538",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "2845 Greenbrier Rd",
            "city": "Green Bay",
            "state": "WI",
            "country_code": "US",
            "postal_code": "543116519",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "smilosch92269@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "2845 Greenbrier Rd",
            "city": "Green Bay",
            "state": "WI",
            "country_code": "US",
            "postal_code": "543116519",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Green Bay, WI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 23, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.