Nanak Singh Rai, MD

Primary specialty

Hospitalist PhysicianTaxonomy code 208M00000X

License

82083 Issued in WI

Practice address

5900 S Lake Dr
Cudahy, WI 53110-3171

Phone

(414) 489-9000

NPI assigned

Jul 7, 2020

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 1

Electronic endpoints 3

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

Specialty

Internal MedicineAlso: Hospitalist

Education

Other, 2019

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)

Hospital & facility affiliations

• Aurora St Lukes Medical Center Hospital, Milwaukee, WI, CCN 520138

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: nrai375630@direct.myadvocateaurora.org

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.

• Aurora Medical Group, Inc.

  • Certified Registered Nurse Anesthetist
  • Milwaukee, WI
  • NPI 1427271378

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Aurora Medical Group, Inc.

  • Durable Medical Equipment & Medical Supplies
  • Oshkosh, WI
  • NPI 1326858044
  NPD

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

• Aurora Health Care Metro, Inc.

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Cudahy, WI
  • NPI 1235355983

  Hospital

  Care Compare affiliation
• Aurora Health Care Metro, Inc.

  • General Acute Care Hospital
  • Milwaukee, WI
  • NPI 1861447179
  Care Compare affiliation

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

{
    "created_epoch": "1594080000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780272000000",
    "number": "1568080596",
    "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": "414-489-9000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5900 S LAKE DR",
            "city": "CUDAHY",
            "state": "WI",
            "postal_code": "531103171",
            "telephone_number": "414-489-9000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "300 Lafayette Ave SE Ste 3000",
            "address_purpose": "LOCATION",
            "city": "Grand Rapids",
            "state": "MI",
            "postal_code": "495034692",
            "country_code": "US",
            "telephone_number": "616-685-6919",
            "fax_number": "616-685-3041",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "RAI",
        "first_name": "NANAK",
        "middle_name": "SINGH",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-07-07",
        "last_updated": "2026-06-01",
        "certification_date": "2026-06-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "WI",
            "license": "82083",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MI",
            "license": "4351046374",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100239253",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "5900 S Lake Dr",
            "city": "Cudahy",
            "state": "WI",
            "country_code": "US",
            "postal_code": "531103171",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "CONNECT",
            "endpointTypeDescription": "CONNECT URL",
            "endpoint": "https://esmd.abilitynetwork.com:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service",
            "affiliation": "N",
            "endpointDescription": "2.16.840.1.113883.3.667.2",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "CMS esMD eMDR",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "64 S Price Rd Ste B",
            "city": "Brownsville",
            "state": "TX",
            "country_code": "US",
            "postal_code": "785212459",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "nrai375630@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "5900 S Lake Dr",
            "city": "Cudahy",
            "state": "WI",
            "country_code": "US",
            "postal_code": "531103171",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Promise Personal Care LLC
• Tracy A Proulx, FNP-BC
• Pulmonary & Critical Care Associates S C
• Mary Elisabeth Qiblawi, R.D., C.D.
• Rachel Quentin, PHARMD
• Sacha Ramirez, M.D.
• Dexter R Rebancos, MD
• Dag Rivedal, RPH
• Antelmo Rojas Martinez, PA-C
• Gregory M. Rosner, M.D.

• Hospitalist Physician in Cudahy, WI
• Providers in Cudahy, WI by specialty
• Hospitalist Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 1, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• 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.