NPIMap

Emmanuel Obumneme Nwadike, M.D

Individual provider Active NPI Hospitalist Physician · Chicago, IL

NPI 1962686485 · NPPES record last updated May 13, 2026

Key facts

NPI
1962686485
Entity type
Individual (NPI type 1)
Primary specialty
Hospitalist Physician 208M00000X
License
52855 (WI)
Practice address
2900 N Lake Shore Dr
Chicago, IL 60657-5640
Phone
(773) 665-3000
NPI assigned
Dec 19, 2007
Sex
Male
Sole proprietor
No

Organizations & group practices 87

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.

View all 87

Hospital & facility affiliations 30

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

View all 30

Medicare Care Compare profile

Specialty
Hospitalist
Also: Internal Medicine
Education
Other, 1998
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Langlade Hospital - Hotel Dieu of St Joseph of Antigo Wisconsin (86 clinicians)
Lakeview Medical Center Inc of Rice Lake (168 clinicians)
Aspirus Rhinelander and Tomahawk Hospitals and Clinics, Inc. (566 clinicians)
Howard Young Medical Center Inc of Woodruff Wisconsin (55 clinicians)
Divine Savior Healthcare Inc (135 clinicians)
Aspirus Medical Group, Inc. (272 clinicians)
St. Nicholas Hospital-Sisters of the Third Order of St Francis (178 clinicians)
St Clare Memorial Hospital, Inc (62 clinicians)

Practice addresses (Care Compare)

112 E 5TH Ave
Antigo, WI 54409-2710
Phone (715) 623-2331

1700 W Stout St
Rice Lake, WI 54868-5000
Phone (715) 236-6133

2251 N Shore Dr
Rhinelander, WI 54501-6710
Phone (715) 361-2000

240 Maple St
Woodruff, WI 54568-9190
Phone (715) 356-8000

2817 New Pinery Rd
Portage, WI 53901-9240
Phone (608) 742-4131

3000 Westhill Dr
Suite 2100
Wausau, WI 54401-3795
Phone (715) 847-2019

3100 Superior Ave
Sheboygan, WI 53081-1948
Phone (920) 459-8300

855 S Main St
Suite 1
Oconto Falls, WI 54154-1241
Phone (920) 846-8187

PO Box
Suite 19070
Green Bay, WI 54307-9070

Hospital & facility affiliations

  • Marshfield Medical Center - Rice Lake Hospital · Rice Lake, WI · CCN 520011
  • Aspirus Wausau Hospital Hospital · Wausau, WI · CCN 520030
  • Aspirus Rhinelander Hospital Hospital · Rhinelander, WI · CCN 520019
  • Aspirus Divine Savior Hospital Hospital · Portage, WI · CCN 520041
  • St Nicholas Hospital Hospital · Sheboygan, WI · CCN 520044

Medicare participation

Medicare fee-for-service enrollment
Enrolled (5 enrollments) in WI, FL, SC, VT, MI
Eligible to order & refer
Part B services: Yes · DME: Yes · Home health: Yes · Power mobility devices: Yes · Hospice: Yes

Medicare enrollment records

Enrollment IDStateProvider typePAC IDDetails
I20090914000503 WI Practitioner - Hospitalist
Practitioner - Internal Medicine		 1456407618 Reassigns benefits to 20 organizations
I20140821002423 FL Practitioner - Internal Medicine
Practitioner - Nephrology		 1456407618 Reassigns benefits to 1 organization
I20170512000280 SC Practitioner - Internal Medicine 1456407618
I20171102002275 VT Practitioner - Internal Medicine 1456407618 Reassigns benefits to 1 organization
I20171218003372 MI Practitioner - Internal Medicine
Practitioner - Nephrology		 1456407618 Reassigns benefits to 5 organizations

National Provider Directory

Medicare enrollment (NPD)
Yes
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
125050586ILMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Aspirus Keweenaw Current Accepting new patients
Black River Health Inc Current
since Jul 3, 2014		 Accepting new patients
Aspirus Wausau Hospital, Inc. Current
since Jun 17, 2024		 Accepting new patients
Adorable Care Agency Current Accepting new patients
Langlade Hospital - Hotel Dieu of St Joseph of Antigo Wisconsin Current Accepting new patients
Aspirus Ironwood Hospital & Clinics, Inc. Internal Medicine Current Accepting new patients
Divine Savior Healthcare, Inc. Current
since Oct 24, 2025		 Accepting new patients
Aurora Medical Group, Inc. Internal Medicine Current
since Nov 9, 2019		 Accepting new patients
The Howard Young Medical Center, Inc. Current Accepting new patients
Aspirus Medical Group, Inc. Current
since Nov 19, 2024		 Accepting new patients
SSM Health Care of Wisconsin Inc Internal Medicine Current
since Jun 2, 2017		 Accepting new patients
Aspirus Wausau Hospital, Inc. Internal Medicine Current Accepting new patients
MCHS Hospitals Inc Current Accepting new patients
Aspirus Keweenaw Current Accepting new patients
St Vincent Hospital-Hospital Sisters-Third Order of St Francis Current
since Apr 1, 2017		 Accepting new patients
Langlade Hospital - Hotel Dieu of St. Joseph of Antigo Wisconsin Current
since Nov 19, 2024		 Accepting new patients
MCHS Hospitals Inc Current
since Jul 31, 2019		 Accepting new patients
St. Nicholas Hospital-Sisters of the Third Order of St Francis Internal Medicine Current
since Apr 1, 2017		 Accepting new patients
MCHS Hospitals Inc Internal Medicine Current
since Jul 31, 2019		 Accepting new patients
SSM Health Care of Wisconsin, Inc. Current
since Jun 2, 2017		 Accepting new patients
Beaver Dam Community Hospitals Inc Current
since Apr 1, 2017		 Accepting new patients
Black River Health Inc Current
since Feb 2, 2026		 Accepting new patients
Aspirus Medical Group, Inc. Current
since Jun 17, 2024		 Accepting new patients
Thedacare, Incorporated Current
since Jun 6, 2017		 Accepting new patients
Aspirus Keweenaw Current
since Jun 8, 2022		 Accepting new patients
Aurora Medical Group, Inc. Current
since Nov 9, 2019		 Accepting new patients
Lakeview Medical Center Inc of Rice Lake Current
since Jan 31, 2020		 Accepting new patients
Black River Health Inc Current
since Jul 3, 2014		 Accepting new patients
Aspirus Keweenaw Current
since Jun 8, 2022		 Accepting new patients
St Nicholas Hospital-Sisters of the Third Order of St Francis Internal Medicine Current
since Apr 1, 2017		 Accepting new patients
Aspirus Medical Group, Inc. Current
since Jun 17, 2024		 Accepting new patients
Aspirus Rhinelander & Tomahawk Hospitals & Clinics, Inc. Current
since Oct 1, 2022		 Accepting new patients
Aspirus Ironwood Hospital & Clinics, Inc. Current
since Mar 1, 2020		 Accepting new patients
Divine Savior Healthcare, Inc. Current
since Oct 24, 2025		 Accepting new patients
Aspirus Wausau Hospital, Inc. Current
since Jun 17, 2024		 Accepting new patients
Beaver Dam Community Hospitals Inc Current Accepting new patients
St Vincent Hospital-Hospital Sisters-Third Order of St Francis Internal Medicine Current
since Apr 1, 2017		 Accepting new patients
Nephrology Associates of North Central Florida P a Current
since Aug 12, 2014		 Accepting new patients
St Clare Memorial Hospital, Inc Current
since Apr 1, 2017		 Accepting new patients
Lakeview Medical Center Inc of Rice Lake Current
since Jan 31, 2020		 Accepting new patients
Marshfield Clinic Inc Current
since Jul 31, 2019		 Accepting new patients
Aspirus Medical Group, Inc. Current Accepting new patients
The Howard Young Medical Center, Inc. Hospitalist Current
since Oct 1, 2022		 Accepting new patients
Aspirus Rhinelander & Tomahawk Hospitals & Clinics, Inc. Current
since Oct 1, 2022		 Accepting new patients

Locations (25 of 38)

4423 NW 6th Pl
Ste A
Gainesville, FL 32607
Phone (352) 213-1250

7153 Solutions Ctr
Chicago, IL 60677

29980 Network Pl
Chicago, IL 60673

N10565 Grandview Ln
Ironwood, MI 49938
Phone (906) 932-1500

N10561 Grandview Ln
Ironwood, MI 49938
Phone (906) 932-1500

205 Osceola St
Laurium, MI 49913
Phone (906) 337-3100

112 E 5th Ave
Antigo, WI 54409
Phone (715) 623-2331

4480 W Spencer St
Appleton, WI 54914
Phone (920) 738-4800

707 14th St
Baraboo, WI 53913
Phone (608) 356-1400

705 S University Ave
Beaver Dam, WI 53916
Phone (920) 885-6090

1969 W Hart Rd
Beloit, WI 53511
Phone (608) 364-5011

1905 E Huebbe Pkwy
Beloit, WI 53511
Phone (608) 364-2293

711 W Adams St
Blk River Fls, WI 54615
Phone (715) 284-1302

400 W Glen St
Crandon, WI 54520
Phone (715) 478-3318

1000 Starr Ave
Eau Claire, WI 54703
Phone (715) 858-4850

3501 Golf Rd
Eau Claire, WI 54701
Phone (715) 858-4200

1726 Shawano Ave
Green Bay, WI 54303
Phone (920) 432-6016

835 S Van Buren St
Green Bay, WI 54301
Phone (888) 901-7246

3400 E Racine St
Janesville, WI 53546
Phone (608) 373-8000

906 College Ave W
Ladysmith, WI 54848
Phone (715) 532-2300

1510 University Dr
Marinette, WI 54143
Phone (715) 735-3998

3003 University Dr
Marinette, WI 54143
Phone (715) 735-4200

1000 N Oak Ave
Marshfield, WI 54449
Phone (715) 387-5111

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

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

Interoperability endpoints

  • Direct secure messaging: enwadike272332@direct-ehr-ssmhc.com
  • Direct secure messaging: enwadike129492@direct.aspirus.org
  • Direct secure messaging: emmanuel.nwadike@marshfieldclinichealthsystem.cernerdirect.com

Specialties & licenses

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 52855 WI
Internal Medicine Physician 207R00000X 125050586 IL
Hospitalist Physician 208M00000X 52855 WI Yes

Addresses

Primary practice location

2900 N Lake Shore Dr
Chicago, IL 60657-5640

Mailing address

2900 N Lake Shore Dr
Chicago, IL 60657-5640
Phone (773) 665-3000

Other practice location 1

1700 W Stout St
Rice Lake, WI 54868-5000
Phone (715) 236-8100

Other identifiers

IdentifierTypeStateIssuer
100004075MedicaidWI

Other names

  • Dr. Obumneme Emmanuel Nwadike Other name

Electronic endpoints

TypeEndpointUseAffiliation
FHIR URL https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/
Direct Messaging Address enwadike238351@direct.myadvocateaurora.org

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API JSON format, last updated by the provider on May 13, 2026.

{
    "created_epoch": "1198022400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778630400000",
    "number": "1962686485",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2900 N LAKE SHORE DR",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606575640",
            "telephone_number": "773-665-3000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2900 N LAKE SHORE DR",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606575640",
            "telephone_number": "773-665-3000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1700 W Stout St",
            "address_purpose": "LOCATION",
            "city": "Rice Lake",
            "state": "WI",
            "postal_code": "548685000",
            "country_code": "US",
            "telephone_number": "715-236-8100",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NWADIKE",
        "first_name": "EMMANUEL",
        "middle_name": "OBUMNEME",
        "name_prefix": "Dr.",
        "credential": "M.D",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-12-19",
        "last_updated": "2026-05-13",
        "certification_date": "2026-05-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "WI",
            "license": "52855",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "125050586",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "WI",
            "license": "52855",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100004075",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "2900 N Lake Shore Dr",
            "city": "Chicago",
            "state": "IL",
            "country_code": "US",
            "postal_code": "606575640",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "enwadike238351@direct.myadvocateaurora.org",
            "affiliation": "N",
            "address_1": "2900 N Lake Shore Dr",
            "city": "Chicago",
            "state": "IL",
            "country_code": "US",
            "postal_code": "606575640",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "OBUMNEME",
            "last_name": "NWADIKE",
            "middle_name": "EMMANUEL",
            "prefix": "DR.",
            "credential": "M.D",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

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Sources for this page

Verify at the official NPI Registry.