Individual provider Active NPI

Thomas J Gallagher, MD

  • Obstetrics & Gynecology Physician
  • Green Bay, WI
National Provider Identifier
1588779581
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X
License
30205 Issued in WI
Practice address
2845 Greenbrier Rd
#480
Green Bay, WI 54308-8900
Phone
(920) 288-8400
Fax
(920) 288-8463
NPI assigned
Aug 20, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Obstetrics & Gynecology Physician 207V00000X 30205 WI Primary

Addresses

Primary practice location

2845 Greenbrier Rd
#480
Green Bay, WI 54308-8900

Mailing address

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

Other identifiers 1

IdentifierTypeStateIssuer
31588900MedicaidWI

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address tgallagher57708@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
I20040813001212 WI Practitioner - Obstetrics/Gynecology 2567435969 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Obstetrics/Gynecology
Education
Medical College of Wisconsin, 1986
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)

1020 N 12TH St
Milwaukee, WI 53233-1308
Phone (414) 219-3056

2845 Greenbrier Rd
Green Bay, WI 54311-6519
Phone (920) 288-8100

3003 University Dr
Marinette, WI 54143-4110
Phone (715) 735-6621

855 N Westhaven Dr
Oshkosh, WI 54904-7668
Phone (920) 303-8700

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal of the uterus1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
30205WIMDObstetrics & Gynecology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Aurora Medical Group, Inc. Obstetrics & Gynecology CurrentSince Feb 1, 2002 Accepting new patients
Aurora Medical Group, Inc. CurrentSince Feb 1, 2002 Accepting new patients
Aurora Medical Group, Inc. Past Accepting new patients

Locations

2845 Greenbrier Rd
#4
Green Bay, WI 54311
Phone (920) 288-8400

2845 Greenbrier Rd
#480
Green Bay, WI 54311
Phone (920) 288-8400

2845 Greenbrier Rd
Green Bay, WI 54311
Phone (920) 288-3388

123 N Military Ave
Green Bay, WI 54303
Phone (920) 494-3421

2733 S Ridge Rd
Green Bay, WI 54304
Phone (920) 497-6200

744 S Webster Ave
Green Bay, WI 54301
Phone (920) 433-6025

601 Reed Ave
Manitowoc, WI 54220
Phone (920) 682-8841

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

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

108 S 10th Ave
Sturgeon Bay, WI 54235
Phone (920) 746-7955

Organizations & group practices 3

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.

Hospital & facility affiliations 1

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": "1156032000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1588779581",
    "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": "2845 GREENBRIER RD",
            "address_2": "#480",
            "city": "GREEN BAY",
            "state": "WI",
            "postal_code": "543088900",
            "telephone_number": "920-288-8400",
            "fax_number": "920-288-8463"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GALLAGHER",
        "first_name": "THOMAS",
        "middle_name": "J",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-20",
        "last_updated": "2026-07-13",
        "certification_date": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "WI",
            "license": "30205",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "31588900",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "tgallagher57708@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "2845 Greenbrier Rd",
            "address_2": "#480",
            "city": "Green Bay",
            "state": "WI",
            "country_code": "US",
            "postal_code": "543088900",
            "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": "2845 Greenbrier Rd",
            "address_2": "#480",
            "city": "Green Bay",
            "state": "WI",
            "country_code": "US",
            "postal_code": "543088900",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Green Bay, WI

Sources for this page

Verify at the official NPI Registry.