Individual provider Active NPI

Ishwar Singh Gill, M.D

  • Hospitalist Physician
  • Milwaukee, WI
National Provider Identifier
1467983866
Registry record updated Aug 21, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
73552 Issued in WI
Practice address
2900 W Oklahoma Ave
Milwaukee, WI 53215-4330
Phone
(414) 649-6000
NPI assigned
Mar 27, 2017
Last updated
Aug 21, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 21, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 125.071053 IL
Internal Medicine Physician 207R00000X 73552 WI
Hospitalist Physician 208M00000X 73552 WI Primary

Addresses

Primary practice location

2900 W Oklahoma Ave
Milwaukee, WI 53215-4330

Mailing address

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

Other identifiers 1

IdentifierTypeStateIssuer
100102930MedicaidWI

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address igill278901@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
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
I20200820002490 WI Practitioner - HospitalistPractitioner - Internal Medicine 4082985866 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
HospitalistAlso: Internal Medicine
Education
Other, 2017
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)

2900 W Oklahoma Ave
Milwaukee, WI 53215-4330
Phone (414) 646-5410

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
125.071053ILMDInternal Medicine Physician
73552WIMDCertified Registered Nurse Anesthetist

Practice roles

OrganizationSpecialtyStatusNew patients
Aurora Medical Group, Inc. CurrentSince Sep 14, 2020 Accepting new patients
Aurora Medical Group, Inc. Internal Medicine CurrentSince Sep 14, 2020 Accepting new patients

Locations

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

2900 W Oklahoma Ave
Milwaukee, WI 53215
Phone (414) 385-2590

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

Interoperability endpoints

  • Direct secure messaging: igill278901@direct.myadvocateaurora.org

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 2

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": "1490572800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787270400000",
    "number": "1467983866",
    "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": "2900 W OKLAHOMA AVE",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532154330",
            "telephone_number": "414-649-6000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GILL",
        "first_name": "ISHWAR",
        "middle_name": "SINGH",
        "name_prefix": "Dr.",
        "credential": "M.D",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-03-27",
        "last_updated": "2026-08-21",
        "certification_date": "2026-08-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "125.071053",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "WI",
            "license": "73552",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "WI",
            "license": "73552",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100102930",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "igill278901@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "2900 W Oklahoma Ave",
            "city": "Milwaukee",
            "state": "WI",
            "country_code": "US",
            "postal_code": "532154330",
            "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": "2900 W Oklahoma Ave",
            "city": "Milwaukee",
            "state": "WI",
            "country_code": "US",
            "postal_code": "532154330",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Milwaukee, WI

Sources for this page

Verify at the official NPI Registry.