Individual provider Active NPI

Shelly Gaatz

  • Occupational Therapist
  • Milwaukee, WI
National Provider Identifier
1548715600
Registry record updated Oct 21, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Occupational TherapistTaxonomy code 225X00000X
License
1215-26 Issued in WI
Practice address
2801 W Kinnickinnic River Pkwy
Milwaukee, WI 53215-3669
Phone
(414) 649-3250
Fax
(414) 649-3275
NPI assigned
Aug 18, 2016
Last updated
Oct 21, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 21, 2025

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 1215-26 WI Primary

Addresses

Primary practice location

2801 W Kinnickinnic River Pkwy
Milwaukee, WI 53215-3669

Mailing address

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

Other identifiers 1

IdentifierTypeStateIssuer
100061594MedicaidWI

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address sgaatz25521@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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20200206000004 WI Practitioner - Occupational Therapist in Private Practice 8729414966 Reassigns benefits to 1 organization

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

Practice roles

OrganizationSpecialtyStatusNew patients
Aurora Medical Group, Inc. CurrentSince Jan 23, 2020 Accepting new patients
Aurora Medical Group, Inc. Current Accepting new patients
Aurora Medical Group, Inc. CurrentSince Jan 23, 2020 Accepting new patients

Locations

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

2801 W Kinnickinnic River Pkwy
Milwaukee, WI 53215
Phone (414) 384-5111

2901 W Kinnickinnic River Pkwy
Ste 500
Milwaukee, WI 53215
Phone (414) 649-3250

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

Interoperability endpoints

  • Direct secure messaging: sgaatz25521@direct.myadvocateaurora.org

Organizations & group practices 3

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.

NPI Registry JSON

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

{
    "created_epoch": "1471478400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761004800000",
    "number": "1548715600",
    "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": "2801 W KINNICKINNIC RIVER PKWY",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532153669",
            "telephone_number": "414-649-3250",
            "fax_number": "414-649-3275"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GAATZ",
        "first_name": "SHELLY",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2016-08-18",
        "last_updated": "2025-10-21",
        "certification_date": "2025-10-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225X00000X",
            "taxonomy_group": "",
            "desc": "Occupational Therapist",
            "state": "WI",
            "license": "1215-26",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100061594",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "sgaatz25521@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "2901 W Kinnickinnic River Pkwy Ste 500",
            "city": "Milwaukee",
            "state": "WI",
            "country_code": "US",
            "postal_code": "532153683",
            "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": "2901 W Kinnickinnic River Pkwy Ste 500",
            "city": "Milwaukee",
            "state": "WI",
            "country_code": "US",
            "postal_code": "532153683",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Milwaukee, WI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 21, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.