Individual provider Active NPI

Robert J Schlosser, MD

  • Anesthesiology Physician
  • Grafton, WI
National Provider Identifier
1124071501
Registry record updated May 14, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
43597 Issued in WI
Practice address
975 Port Washington Rd
Grafton, WI 53024-9201
Phone
(262) 329-1000
Fax
(262) 329-1001
NPI assigned
May 18, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 14, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X 43597 WI Primary

Addresses

Primary practice location

975 Port Washington Rd
Grafton, WI 53024-9201

Mailing address

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

Other practice location 1

9200 W Wisconsin Ave
Department of Anesthesiology
Milwaukee, WI 53226-3522
Phone (414) 805-8700

Other identifiers 2

IdentifierTypeStateIssuer
1124071501MedicaidWI
34646500MedicaidWI

Electronic endpoints 2

TypeEndpointUseAffiliation
FHIR URL https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/
Direct Messaging Address rschlosser281725@direct.myadvocateaurora.org Direct

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WI
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20050719000310 WI Practitioner - Anesthesiology 7517931934 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
Medical College of Wisconsin, 2000
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Aurora Medical Group, Inc.Group PAC ID 6709794258, 3,764 clinicians

Practice addresses (Care Compare)

975 Port Washington Rd
Grafton, WI 53024-9204
Phone (262) 329-8650

Hospital & facility affiliations

  • Aurora Medical Center Hospital, Grafton, WI, CCN 520207
  • Aurora Medical Ctr Washington County Hospital, Hartford, WI, CCN 520038

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
43597WIMDAnesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Aurora Medical Group, Inc. CurrentSince Oct 5, 2020 Accepting new patients
Aurora Medical Group, Inc. CurrentSince Oct 5, 2020 Accepting new patients

Locations

975 Port Washington Rd
Grafton, WI 53024
Phone (262) 329-1000

2323 N Lake Dr
Milwaukee, WI 53211
Phone (414) 291-1000

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

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

13111 N Port Washington Rd
Thiensville, WI 53097
Phone (262) 243-7300

9200 W Wisconsin Ave
Wauwatosa, WI 53226
Phone (414) 259-3000

Organizations & group practices 2

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 3

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

NPI Registry JSON

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

{
    "created_epoch": "1147910400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1747180800000",
    "number": "1124071501",
    "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": "975 PORT WASHINGTON RD",
            "city": "GRAFTON",
            "state": "WI",
            "postal_code": "530249201",
            "telephone_number": "262-329-1000",
            "fax_number": "262-329-1001"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "9200 W Wisconsin Ave",
            "address_2": "DEPARTMENT OF ANESTHESIOLOGY",
            "address_purpose": "LOCATION",
            "city": "Milwaukee",
            "state": "WI",
            "postal_code": "532263522",
            "country_code": "US",
            "telephone_number": "414-805-8700",
            "fax_number": "414-259-1522",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SCHLOSSER",
        "first_name": "ROBERT",
        "middle_name": "J",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-18",
        "last_updated": "2025-05-14",
        "certification_date": "2025-05-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "WI",
            "license": "43597",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1124071501",
            "state": "WI"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "34646500",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "975 Port Washington Rd",
            "city": "Grafton",
            "state": "WI",
            "country_code": "US",
            "postal_code": "530249201",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "rschlosser281725@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "975 Port Washington Rd",
            "city": "Grafton",
            "state": "WI",
            "country_code": "US",
            "postal_code": "530249201",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Grafton, WI

Sources for this page

Verify at the official NPI Registry.