Individual provider Active NPI

Niraj Nijhawan, MD

  • Anesthesiology Physician
  • Milwaukee, WI
National Provider Identifier
1255448619
Registry record updated Feb 27, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
36030 Issued in WI
Practice address
945 N 12TH St
Obstetrical Anesthesiology
Milwaukee, WI 53233
Phone
(414) 750-4646
NPI assigned
Aug 23, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 27, 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 36030 WI Primary

Addresses

Primary practice location

945 N 12TH St
Obstetrical Anesthesiology
Milwaukee, WI 53233

Mailing address

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

Other identifiers 1

IdentifierTypeStateIssuer
32235300MedicaidWI

Electronic endpoints 2

TypeEndpointUseAffiliation
FHIR URL https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/
Direct Messaging Address nnijhawan50457@direct.myadvocateaurora.org

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
I20050616000304 WI Practitioner - Anesthesiology 2668416041 Reassigns benefits to 1 organization

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
36030WIMDAnesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Aurora Medical Group, Inc. CurrentSince Feb 28, 2017 Accepting new patients
Aurora Medical Group, Inc. CurrentSince Feb 28, 2017 Accepting new patients

Locations

945 N 12th St
Milwaukee, WI 53233
Phone (414) 219-5800

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

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

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

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.

NPI Registry JSON

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

{
    "created_epoch": "1156291200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1740614400000",
    "number": "1255448619",
    "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": "945 N 12TH ST",
            "address_2": "OBSTETRICAL ANESTHESIOLOGY",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "53233",
            "telephone_number": "414-750-4646"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NIJHAWAN",
        "first_name": "NIRAJ",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-23",
        "last_updated": "2025-02-27",
        "certification_date": "2025-02-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "WI",
            "license": "36030",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "32235300",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "945 N 12th St",
            "address_2": "Obstetrical Anesthesiology",
            "city": "Milwaukee",
            "state": "WI",
            "country_code": "US",
            "postal_code": "53233",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "nnijhawan50457@direct.myadvocateaurora.org",
            "affiliation": "N",
            "address_1": "945 N 12th St",
            "address_2": "Obstetrical Anesthesiology",
            "city": "Milwaukee",
            "state": "WI",
            "country_code": "US",
            "postal_code": "53233",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Milwaukee, WI

Sources for this page

Verify at the official NPI Registry.