Individual provider Active NPI

Thomas J Cox, MD

  • Pediatrics Physician
  • Oshkosh, WI
National Provider Identifier
1851020994
Registry record updated Jun 9, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatrics PhysicianTaxonomy code 208000000X
License
85774 Issued in WI
Practice address
250 W 6TH Ave
Oshkosh, WI 54902-5910
Phone
(920) 727-9982
Fax
(920) 727-9983
NPI assigned
Jun 6, 2022
Last updated
Jun 9, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 9, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatrics Physician 208000000X R-12615 IA
Pediatrics Physician 208000000X 85774 WI Primary

Addresses

Primary practice location

250 W 6TH Ave
Oshkosh, WI 54902-5910

Mailing address

3 Neenah Ctr
Neenah, WI 54956-3070
Phone (920) 830-5900

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
I20250912001253 WI Practitioner - Pediatric Medicine 4183006315 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Pediatric Medicine
Education
University of Texas Medical Branch at Galveston, 2022
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

3 Neenah Ctr
Neenah, WI 54956-3070

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
85774WIMDPediatrics Physician

Practice roles

OrganizationSpecialtyStatusNew patients
St Luke's Methodist Hospital Current Accepting new patients
Thedacare, Incorporated CurrentSince Aug 18, 2025 Accepting new patients
Floyd County Memorial Hospital Commission Past Accepting new patients
Thedacare Medical Center - Shawano, Inc. Past Accepting new patients

Locations

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

3 Neenah Ctr
Neenah, WI 54956
Phone (920) 454-4229

250 W 6th Ave
Oshkosh, WI 54902
Phone (920) 237-5000

600 N Westhaven Dr
Oshkosh, WI 54904
Phone (920) 237-5000

Interoperability endpoints

  • Direct secure messaging: tcox1015560@direct.unitypoint.org

Organizations & group practices 4

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.

NPI Registry JSON

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

{
    "created_epoch": "1654473600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780963200000",
    "number": "1851020994",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3 NEENAH CTR",
            "city": "NEENAH",
            "state": "WI",
            "postal_code": "549563070",
            "telephone_number": "920-830-5900",
            "fax_number": "920-830-5910"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "250 W 6TH AVE",
            "city": "OSHKOSH",
            "state": "WI",
            "postal_code": "549025910",
            "telephone_number": "920-727-9982",
            "fax_number": "920-727-9983"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "COX",
        "first_name": "THOMAS",
        "middle_name": "J",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-06-06",
        "last_updated": "2026-06-09",
        "certification_date": "2026-06-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "IA",
            "license": "R-12615",
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "WI",
            "license": "85774",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Oshkosh, WI

Sources for this page

Verify at the official NPI Registry.